1431-40 Student Manual Abs

8/17/2019 1431-40 Student Manual Abs

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Model 1431/40

Delco-Bosch ABS/TCS SystemStudent Manual

Published by ATech Training, Inc.

12290 Chandler DriveWalton, ! "109" #$A


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Phone% &'(9) "'(*+229 • a- &'(9) "'(*+299

/ail% salesatechtraining.co/

Website% .atechtraining.co/

mailto:[email protected]:[email protected]://www.atechtraining.com/http://www.atechtraining.com/mailto:[email protected]


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Notice: eneral 3otors $ervice 3anual 4ages have been licensed to ATech 5or 4ublication. All

co4yrights are still retained by ATech and eneral 3otors. It is co4yright in5ringe/ent

to co4y those 4ages.


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Delco-Bosch ABS/TCS System – 2008


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Model 1431/40

Delco-Bosch ABS/TCS System

Upon completion of this ATech program you shoul !e a!le to perform the follo"ing #AT$% tas&s'

V

1.

B!A"#S

$ Antiloc% B&a%e and T&action Cont&ol System

Identi5y and ins4ect electronic bra6e control syste/ co/4onents7 deter/ine P*1

necessary action.

8. Diagnose electronic bra6e control syste/ electronic control&s) and

co/4onents by retrieving diagnostic trouble codes andor using reco//ended

test e:ui4/ent7 deter/ine necessary action.

P*1

(. ;leed the electronic bra6e control syste/ hydraulic circuits. P*1

) &includes out4ut signal,

resistance, shorts to voltageground, and 5re:uency data).

P*1

9. Identi5y traction controlvehicle stability control syste/ co/4onents. P*8

V' #(#CT!'CA(/#(#CT!)N'C S*ST#MS

A $ene&al #lect&ical System Dia+nosis

2. Identi5y and inter4ret electricalelectronic syste/ concern7 deter/ine necessary

action.

P*1

ATech $u44orts A$?AT

Delco-Bosch ABC/TCS System – 2008

1

NAT#, TAS"Se&.o&mance )ecties


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2


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Delco-

BoschABS/TCS

T&ainin+ &o+&am

The ATech 3odel 1"81"0 Delco*;osch A;$TC$ $yste/ Progra/ is a series o5 student*4aced

activities that allo you to discover the o4eration, diagnosis, and service o5 the A;CT$C

$yste/. ATech 4rides itsel5 in never losing sight o5 our goal to 4rovide you ith ell*organied,

4recise ?D T> ?>W in5or/ation that ill hel4 you beco/e a better auto/otive technician.

Throughout these activities, you ill be as6ed to ta6e in5or/ation and de/onstrate your

understanding o5 the /aterial by co/4leting or6sheets, on*trainer e-ercises, and on*trainer

diagnostics hich can be lin6ed directly to on*car service.

NAT#, Tas% !eco&d "ee2in+:

A5ter you co/4lete each section o5 the 4rogra/, your instructor ill record your 4rogress

on the ?AT Tas6 =ecord ee4ing $heets.

Student Manual

a&nin+This 4rogra/ is designed to be a 5riendly, educational

e-4erience.

;eare% Wor6ing ith this 4rogra/, you ill


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7 )2e&ation a&t '''

;ra6e $itches

$ervice 3anual In5or/ation

$olenoid 3onitor In4ut

Throttle Position $ensor TC$ >55 $itch

noledge Chec6 EuestionsF

Accelero/eters

;TC3 >ut4ut >n*Trainer Wor6sheet

''' 8*D!A('C )2e&ation

9 8yd&aulic System a&t '


Co/4onent unction ?on A;$ luid lo

Pressure old, Decrease, Increase

ngine 3anage/ent noledge Chec6 EuestionsF

TC$ luid lo

>n*Trainer Wor6sheet

8yd&aulic System a&t ''


A;$ De/onstration


; 8yd&aulic System a&t '''

>n*Trainer Wor6sheet TC$ De/onstration

'V ST!AT#$* BAS#D D'A$N)ST'CS

n*Trainer Wor6sheet

10 Continuous Sel.-Test


V S#!V'C#

11 )n-Vehicle

$a5ety Procedures


Co/4onent @ocations


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=Note: Through out the training 4rogra/, :uestions ill be as6ed hich are called noledge Chec6

Euestions. These :uestions chec6 your 6noledge o5 5unda/ental in5or/ation that you should

have ac:uired 4reviously or your ability to a44ly /athe/atics, science, and riting s6ills.

They ill be identi5ied by an asteris6 &F) 4receding the :uestion nu/ber. I5 you do not 6no

the anser to these :uestions, contact your instructor 5or assistance.


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Delco-Bosch

ABS/TCS

System

Delco-Bosch ABS/TCS SystemActiity 1

&o+&am )e&ie5

Performance Objectives:

The 4ur4ose o5 this activity is to understand the obBectives o5 the Anti*@oc6 ;ra6eTraction

Control $yste/ &A;$TC$) training 4rogra/ and to 4rovide an overvie o5 the training/aterials.

Tools and Materials:

ATech 3odel 1"81"0 Delco*;osch A;$TC$ $yste/ Trainer

References:

;osch ( $eries A;$TC$ =e5erence ;oo6


Locate the Following: ATech 3odel 1"81"0 Delco*;osch A;$TC$ $yste/ Trainer

$tudent 3anual &8 ring binder)


During this 4rogra/, you ill be as6ed to or6 ith one or /ore o5 these G4ieces o5 e:ui4/entH.

Student Manual


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Delco-Bosch ABS/TCS System – Acti(ity ) )-)


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Student Manual:

This A;$TC$ 4rogra/ is divided into se4arate learning activities. ach activity contains

:uestions 5ro/ either the =e5erence ;oo6 or $ervice 3anual In5or/ation. 3any o5 the activities

also contain an >n*Trainer Wor6sheet that re:uires the use o5 the ATech A;$TC$ Trainer.

Bosch Series !BS"T#S Reference Boo$:

The ;osch ( $eries A;$TC$ =e5erence ;oo6 covers the ;osch ( * Delco*;osch (, and the

;osch (.8 $yste/s. We ill concentrate on the Delco*;osch ( $yste/.

•=ead Page 1*1 through 1*9 in the =e5erence ;oo6 to anser the 5olloing :uestions.

1. @ist the si- sections o5 the =e5erence ;oo6.

a.

b.

c.

d.

e.

5.

2. De5ine the 5olloing abbreviations.

A;$ *

;TC3 *

TC$ *

8. What is /eant by A$=

". What is the di55erence beteen TC$ and A$=

(. During hard bra6ing, heel loc6u4 is called G heel sli4H


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)-2 Delco-Bosch ABS/TCS System – Acti(ity )


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9. @ist three bene5its o5 A;$.

a.

b.

c.

10. @ist three bene5its o5 TC$.

a.

d.

e.

Service Manual %nformation:

11. ro/ the table o5 contents, hat is the section that covers bra6es

12. ro/ the detailed table o5 contents, hat is the section that covers Anti*@oc6 ;ra6e

$yste/ &A;$) and Traction Control $yste/ &TC$)

18. ro/ 4age (2*( * hat are the to reasons that the TC$ >55 @a/4 /ay be lit

a.

b.

1". ro/ 4age (2*18 * is the case o5 the ;ra6e Pressure 3odulator Jalve Asse/bly

grounded

1(. The bra6e sitch in4ut is connected to 4in o5 the ;TC3.

1


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Delco-Bosch ABS/TCS System – Acti(ity ) )-+


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!BS"T#S Trainer &escri'tion:

The ATech A;$TC$ Trainer dis4lays an actual Delco*;osch ( A;$TC$ $yste/ as used on the

199< >lds/obile G''H.

= =e5er to the actual ATech A;$TC$ Trainer andor the 5ront 4anel illustration above to anser

the 5olloing :uestions.

'n2uts:

19. o /any sets o5 sensors and Gtoothed sensor ringsH are there

Note: ATech uses the color ;lue to indicate in4uts to the A;$TC$ lectronic Controller.

20. What other in4ut co/4onents are labeled in ;lue


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)-, Delco-Bosch ABS/TCS System – Acti(ity )


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21. What co/4onent o5 the A;$TC$ $yste/ is the Gdecision /a6erH

)ut2uts:

Note: >ut4uts on ATech Trainers are indicated by the color =ed.

22. The ;ra6e Pressure 3odulator Jalve Asse/bly is one out4ut device. What are theto other out4uts on the De/onstrator

a.

b.

Demonst&ato& Cont&ols:

•@ocate the 5olloing co/4onents on the le5t*hand side o5 the

board% Wheel $elect nob

Conditions nob

TC$ >4erationA;$ >4eration $itch

A;$ $yste/ GActiveInactiveH $itch

The Wheel $elect nob selects the heel that ill loc6u4 5or A;$ or s4in 5or TC$.

The =oad Conditions nob ill select the ty4e o5 road sur5ace conditions the A;$TC$ $yste/

is o4erating on. This allos co/4arison o5 sto44ingstarting distances 5or the 5our road sur5aces,

Ice, $no, Wet, and Dry.

The TC$ >4erationA;$ >4eration

$itch 4er/its selection o5 hich ty4e

o5 5unction to de/onstrate on the trainer,

Traction Control or Anti*@oc6 ;ra6es.

The A;$ $yste/ ActiveInactive

$itch allos the A;$ $yste/ to be

disabled to 4er/it the student to see

sto44ing action ithout the aid o5 A;$.

Note: The TC$ >n>55 $itch &located belo the trainer controls 4anel) is not a De/onstrator

Control. It is a $yste/ Control $itch hich allos the driver to turn the Traction Control


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$yste/ on or o55 in the vehicle. $o/e vehicles using this Delco*;osch ( $yste/ have this

sitch hile others do not.

Delco-Bosch ABS/TCS System – Acti(ity ) )-


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Another De/onstrator Control is located in the ;ra6e Pressure 3odulator Jalve area. It is the

;TC3;P3J Connect*Disconnect $itch. This sitch gives the sa/e e55ect as se4arating the

;TC3 5ro/ the ;P3J as re:uired in so/e diagnostic ste4s. The ti4 Bac6s allo /easure/ents

ithin the ;P3J.

The $ensor arness Disconnect $itches are trainer controls that disconnect the Wheel $4eed

$ensors 5ro/ their res4ective harnesses to allo sensor and harness /easure/ents.


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)'. Delco- Bosch ABS/TCS System- Acti(ity )


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Vehicle Speed (MPH)

@ocate the 5olloing Dis4lays%

$tarting$to44ing Distance


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Delco- Bosch ABS/TCS System – Acti(ity ) )-


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$6id Indicator

Tor:ue =e:uest3agnasteer

Conclusion:

The ATech A;$TC$ Trainer can be used to observe the actual o4eration o5 a our Wheel

A;$TC$ $yste/ including solenoid control and syste/ /onitoring by the lectronic

Controller. Also A;$TC$ test 4rocedures and diagnostic 4rocedures can be 4racticed as they

ould be 4er5or/ed on a live vehicle.


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Com2lete the )n-T&aine& o&%sheet at this time

)'8 Delco- Bosch ABS/TCS System – Acti(ity )


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)N-T!A'N#! )!"S8##T

Actiity 1

Set()':

;e5ore o4erating the ATech Trainer, 4er5or/ the 5olloing $et*#4 Procedure.

3a6e sure the our Wheel $ensorarness $itches on each side o5 the vehicle are in the

Connect 4osition.

3a6e sure the ;TC3;P3J $itch is in the Connect 4osition.

!BS &emonstration:

$et the Wheel $elect nob to @ &le5t 5ront).

$et the =oad Conditions $itch to Dry.

$et the A;$ $yste/ $itch to Active.

$et the TC$ >4eration * A;$ >4eration $itch to A;$ >4eration.

@ocate the GPoer ;loc6H in the loer right*hand corner o5 the A;$TC$ ;oard and identi5ythe 5olloing%

a. $yste/ Poer $itch and @D Indicator

b. ;attery Probe Point &P>$)

c. $yste/ roundd. use ;loc6

Turn $yste/ Poer >?.

@ocate the 5olloing co/4onents in the botto/ le5t*hand side o5 the board%

a. Ignition $itch b. as Pedalc. ;ra6e Pedal

Turn the Ignition $itch >? &cloc6ise).

Note: A GeroH should be dis4layed on the vehicle $4eed and $tarting$to44ing Distance dis4lays.

ATechKs logo should a44ear on the $6id Indicator Dis4lay.

Press the as Pedal and accelerate to 80 3P.

et a G5eelH 5or the as Pedal by trying to /aintain 80 3P.

Note: The Traction Control $yste/ /ay o4erate the solenoids on heel start*u4 due to the very

slight di55erence in heel start ti/es and s4eeds on the trainer. This can be 4revented by

turning the TC$ >55 ith the TC$ >n>55 $itch.

1. Describe the /otion o5 the heels.


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Delco- Bosch ABS/TCS System – Acti(ity ) )-


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•=elease the as Pedal.

•A44ly the ;ra6e Pedal * A@@ T WA! until the vehicle sto4s.

2. According to the $tarting$to44ing Distance Dis4lay, ho /any 5eet did it ta6e to

sto4

Sto''ing &istance *ithout !BS:

The trainer allos the student to co/4ete against the A;$ $yste/ in sto44ing the vehicle. A5ter

you accelerate, sto4 the vehicle by a44lying the bra6e. Watch the $6id Indicator 5or e-cessive

bra6ing as you sto4 the vehicle. I5 you a44ly too /uch bra6e, the vehicle ill start to s6id o55 the

road as shon on the @CD Dis4lay. I5 you crash, no distance ill be dis4layed. !ou can

accelerate and try again.

•$et the A;$ $yste/ ActiveInactive $itch to Inactive.

•Accelerate to 80 3P.

•;ra6e the vehicle to a sto4 as ra4idly as 4ossible ithout crashing.

•Try this a 5e ti/es and record your best sto44ing distance.

The A;$ $yste/ can be beat but it ta6es al/ost 4er5ect bra6ing action.

•Turn the Ignition $itch >.

T#S &emonstration:

The TC$ De/onstration 3ode on the trainer allos the student to accelerate to a44ro-i/ately

803P. The distance that is re:uired to reach 803P is recorded.



$et the A;$ $yste/ $itch to Inactive.

$et the TC$ >4eration * A;$ >4eration $itch to TC$ >4eration.

Turn the Ignition $itch >?.

Note: A GeroH should be dis4layed on the vehicle $4eed and $tarting$to44ing Distance

Dis4lays. ATechKs logo should a44ear on the $6id Indicator Dis4lay.

Press the as Pedal all the ay don &ide o4en throttle).


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)-)0 Delco-Bosch ABS/TCS System – Acti(ity )


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8. According to the $tarting$to44ing Distance Dis4lay, ho /any 5eet did it ta6e toreach 80 3P

•=elease the as Pedal and 4ress the ;ra6e Pedal to return to 0 3P.

Starting &istance without T#S:The trainer allos the student to co/4ete against the TC$ $yste/ in accelerating the vehicle to

80 3P. As you accelerate, atch the $6id Indicator 5or e-cessive acceleration. I5 you

accelerate too ra4idly, the vehicle ill start to s6id o55 the road as shon on the @CD Dis4lay. I5

you crash, no distance ill be dis4layed. I5 you accelerate and reach 80 3P ithout crashing

but the distance is greater than the TC$ value, you can bra6e and try again.

•Press the TC$ $yste/ >n>55 $itch to turn >? the TC$ >55 @ight.

•Accelerate to 80 3P as ra4idly as 4ossible ithout crashing.

•Try this a 5e ti/es and record your best starting distance.

The TC$ $yste/ can be beat but it ta6es al/ost 4er5ect acceleration.


•Turn the $yste/ Poer >.


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Delco-Bosch ABS/TCS System – Acti(ity ) )-))


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)')2 Delco-Bosch ABS/TCS System – Acti(ity )


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Delco-Bosch

ABS/TCS

System


Com2onents


The 4ur4ose o5 this activity is to gain a 5a/iliarity ith the co/4onent 4arts o5 the A;$TC$

$yste/ as to their location and 4ur4ose.


•ATech 3odel 1"81"0 Delco*;osch A;$TC$ $yste/ Trainer

References:

•;osch ( $eries A;$TC$ =e5erence ;oo6

Student Manual


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Delco-Bosch ABS/TCS System – Acti(ity 2 2-)


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•=ead cha4ter 2 in the =e5erence ;oo6 and use the in5or/ation to anser the 5olloing :uestions.

)e&ie5:

1. @ist the three 5unctions o5 the co/4onents o5 the syste/.

a.

b.

c.

#om'onents %ntroduction:

2. Identi5y the co/4onents in the 5olloing 5igure.

+lectronic Monitor and #ontrol:

8. $ignals that co/e 5ro/ each heel that re4resent the heelKs rotational s4eed aregenerated by the .

". >ne in4ut to the ;TC3 is the $ignal 5ro/

the Poertrain Control 3odule &PC3).

(. @ist the 5our solenoids that are out4uts 5ro/ the ;TC3.

a.

b.

c.

d.

Power Su''l, and #ircuit Protection:


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2-2 Delco-Bosch ABS/TCS System – Acti(ity 2


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-,draulic S,stem:

+. Identi5y the co/4onents in the 5olloing 5igure.


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Delco-Bosch ABS/TCS System – Acti(ity 2 2-+


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#om'onent Locations:

'. Identi5y the =ear A-le $4eed $ensor in the 5olloing 5igure.

9. Identi5y the ront Wheel $4eed $ensor in the 5olloing 5igure.

Conclusion:

Co/4onents o5 the A;$TC$ $yste/ are located throughout the vehicle. @ocation and ty4e o5

co/4onent vary de4ending on the body /odel being serviced.



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2-, Delco-Bosch ABS/TCS System – Acti(ity 2


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)N-T!A'N#! )!"S8##T

Actiity 6

•@ocate and identi5y in the above 5igure the 5olloing listed ite/s%

= Pri/e $olenoid @ $ensor

Pu/4 3otor Tor:ue =e:uest Indicator Wheel $elect $itch 3agnasteer Indicator

=oad Conditions $elect $itch ;TC3 A;$ $yste/ ActiveInactive $itch Ignition $itch

$4eedo/eter == old $olenoid

as Pedal TC$ Active Indicator

;ra6e Pedal == =elease $olenoid

$tarting$to44ing Distance =eadout

Delco Bosch ABS/TCS System – Acti(ity 2 2-


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2'. Delco-Bosch ABS/TCS System – Acti(ity 2


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Delco-Bosch

ABS/TCS

System


Actiity 3

)2e&ation a&t '

Performance Objectives:The 4ur4ose o5 this activity is to study and observe the o4eration o5 the Anti*@oc6 ;ra6e and

Traction Control $yste/s.


ATech 3odel 1"81"0 Delco*;osch A;$TC$ $yste/ Trainer $can Tool &one o5 the 5olloing)

➢ Tech 1 ith 3 Chassis Cartridge and suitable ada4ters 5or L 19TC 3onitor "000 enhanced ith A;$ 9' Cartridge, 880(*+8 $yste/ $/art Cable,

and 880


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Delco-Bosch ABS/TCS System – Acti(ity + +-)


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•=ead 4age 8*2 in the =e5erence ;oo6 and anser the 5olloing :uestions.

Basic Bra$e O'eration:

1. The 3aster Cylinder ront >utlet connects through the ;P3J to the

and Wheel Cylinders.

2. The =ear >utlet o5 the 3aster Cylinder connects through the ;P3J to the

and Wheel Cylinders.

Note: Through out the training 4rogra/, :uestions ill be as6ed hich are called noledge

Chec6 Euestions. These :uestions chec6 your 6noledge o5 5unda/ental in5or/ation that you

should have ac:uired 4reviously. They ill be identi5ied by an asteris6 &F) 4receding the :uestion

nu/ber. I5 you do not 6no the anser to these :uestions, contact your instructor 5or assistance.

.nowledge #hec$ /uestions0:

F8. Why are standard vehicle bra6e syste/s con5igured as Dual or $4lit $yste/s

F". Why are the $4lit ;ra6e $yste/s connected to control diagonally o44osite heels

-a/4le% @e5t ront and =ight =ear.

F(. What is the 4ur4ose o5 the 4ro4ortioning valve 4laced in the bra6e lines going to the

rear heels in /ost vehicles

•=ead 4age 8*' in the =e5erence ;oo6 and anser the 5olloing :uestions.

1on(!BS O'eration:


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+-2 Delco-Bosch ABS/TCS System – Acti(ity +


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!BS O'eration:

'. During Pressure old 3ode, the old Jalve $olenoid is electrically and

hydraulically .

9. During Pressure old 3ode, the =elease Jalve $olenoid is electrically and

hydraulically .

10. During Pressure Decrease 3ode, the hold Jalve $olenoid is electrically and

hydraulically .

11. During Pressure Decrease 3ode, the =elease Jalve $olenoid is electrically and

hydraulically .

12. During Pressure Increase 3ode, the old Jalve $olenoid is electrically and

hydraulically .

18. During Pressure Increase 3ode, the =elease Jalve $olenoid is electrically andhydraulically .

1". In Traction Control 3ode o5 o4eration, i5 the ;TC3 detects 4ositive heel sli4 duringacceleration, it sends a signal to the PC3 through the

circuit.

1(. The PC3 ill engine s4ar6 ti/ing in res4onse to the signal in :uestion 1"

and send a signal to the ;TC3 through the circuit.

1


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Delco-Bosch ABS/TCS System – Acti(ity + +-+


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+', Delco-Bosch ABS/TCS System – Acti(ity +


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)N-T!A'N#! )!"S8##T

Actiity 3

Set()':;e5ore o4erating the ATech Trainer, 4er5or/ the 5olloing $et*#4 Procedure.

•3a6e sure the our Wheel $ensorarness $itches on each side o5 the vehicle are in

the Connect 4osition.

•3a6e sure the ;TC3;P3J $itch is in the Connect 4osition.

T#S &emonstration:

Tor:ue =e:uest

•$et the Wheel $elect nob to @ &le5t 5ront).

•$et the =oad Conditions $itch to Ice.

•$et the A;$ $yste/ $itch to Inactive.

•$et the TC$ >4eration * A;$ >4eration $itch to TC$ >4eration.

•@ocate the GPoer ;loc6H in the loer right*hand corner o5 the A;$TC$ ;oard and

turn $yste/ Poer >?.

•Turn the Ignition $itch >?.

Note: A GeroH should be dis4layed on the vehicle $4eed and $tarting$to44ing Distance

Dis4lays. ATechKs logo should a44ear on the $6id Indicator Dis4lay.

•@ocate the Tor:ue =e:uest bar gra4h.

1. What re:uest is dis4layed

•@ocate the 3agnasteer bar gra4h.

2. What steering e55ort is indicated

•Press the as Pedal all the ay don and observe the action o5 the Tor:ue =e:uest bar gra4h.

8. Describe the action o5 the Tor:ue =e:uest bar gra4h.

". What does this action indicate to the PC3

•#sing the ;ra6e Pedal, decelerate the vehicle to 0 3P.


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Delco-Bosch ABS/TCS System – Acti(ity + +-


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Magnasteer:

•$et the A;$ $yste/ $itch to Active.

•$et the TC$ >4eration * A;$ >4eration $itch to A;$ >4eration.

•Press the as Pedal all the ay don and observe the 3agnasteer Indicator until the vehicle

s4eed goes over +0 3P, release the as Pedal and observe the Indicator as the s4eed

decreases to 0 3P.

(. Describe your observation.

•Turn the Ignition $itch and $yste/ Poer >.


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+'. Delco-Bosch ABS/TCS System – Acti(ity +


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Delco-Bosch

ABS/TCS

System


Actiity 4

)2e&ation a&t ''


The 4ur4ose o5 this activity is to continue the study and observation o5 the o4eration o5 the Anti*@oc6

;ra6e and Traction Control $yste/s.


ATech 3odel 1"81"0 Delco*;osch A;$TC$ Trainer

3eter 5or /easuring Jolts and >h/s $can Tool &one o5 the 5olloing)

➢Tech 1 ith 3 Chassis Cartridge and suitable ada4ters 5or L19TC 3onitor "000 enhanced ith A;$ 9' Cartridge, 880(*+8 $yste/ $/art Cable, and880


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Delco-Bosch ABS/TCS System – Acti(ity , ,-)


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+lectronic Bra$e Traction #ontrol Module 2+BT#M3:

=ead 4ages 8*10 and 8*11 in the =e5erence ;oo6 and anser the 5olloing :uestions.

1. @ist the ;TC3 4ri/ary 5unctions.

a.

b.

c.

d.

e.

5.


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,-2 Delco-Bosch ABS/TCS System – Acti(ity ,


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2. ill in the e/4ty blan6s ith the correct ansers in the 5olloing diagra/.

Delco-Bosch ABS/TCS System – Acti(ity , ,-+


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•=ead 4age 8*12 in the =e5erence ;oo6 and anser the 5olloing :uestions.

8. A vehicle $tart*#4 Chec6 is 4er5or/ed on hich o5 the 5olloing co/4onents o5 the

;TC3 $yste/

;ra6e Cylinders ;attery Joltage

;TC3 Circuits 3aster Cylinder

;ra6e ydraulic @ines Wheel $4eed $ensor Circuits

@ateral Accelero/eter =eservoir luid @evel $itch

". A Jehicle In*3otion Chec6 is 4er5or/ed hen the vehicle reaches a44ro-i/ately

3P.

Note: The A;$TC$ Trainer accelerates ra4idly to a44ro-i/ately 9 3P hen the as Pedal is

4ushed. All heels on the unit do not start at e-actly the sa/e ti/e there5ore the TC$ $yste/

ill ty4ically activate u4on 4ushing the as Pedal. The Jehicle In*3otion Chec6 ill

ty4ically be obscured by the TC$ activation u4on 4ushing the as Pedal.

(. What vehicle body /odels have Throttle Close*Don ca4ability

•=ead 4ages 8*1" and 8*1( in the =e5erence ;oo6 and anser the 5olloing :uestions.

*heel S'eed Sensors:


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,-, Delco-Bosch ABS/TCS System – Acti(ity ,


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F10. I5 a Wheel $4eed $ensor having uestion:

F11. Illustrate the /agnetic 5ield around the bar /agnet in the 5olloing 5igure.

12. The 5actory sets the air ga4 beteen the toothed sensor ring and

sensor. This ga4 is not adBustable.

Note: The ATech A;$TC$ Trainer uses generic toothed sensor rings and sensors. They can be

adBusted on the trainer. The sensors in the vehicle are not adBustable.

18. A;$TC$ $4eed $ensor Circuit iring is e-tre/ely sensitive to

inter5erence.

Conclusion:

The Wheel $4eed $ensors are /agnetic 4ic6u4 devices that generate an AC $ignal as the toothed

ring rotates. The teeth interru4t the /agnetic 5ield causing it to change. As the 5ield changes it

4asses through the sensorKs internal coil o5 ire inducing a voltage hich is /onitored by the

;TC3.



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,'. Delco-Bosch ABS/TCS System – Acti(ity ,


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)N-T!A'N#! )!"S8##T

Actiity 4

Set()':



Connect 4osition.



$et the =oad Conditions $itch to Ice.



@ocate the GPoer ;loc6H in the loer right*hand corner o5 the A;$TC$ ;oard and turn$yste/ Poer >?.

3a6e sure the Ignition $itch is >.

#sing the $ensorarness Disconnect $itches, disconnect each o5 the sensors 5ro/ their

harnesses.

1. 3easure and record belo the value o5 each sensorKs resistance.

@ =

@= ==

o to 4age (2*(( and $te4 ' in the $ervice 3anual In5or/ation.

2. What is the resistance value e-4ected 5or a Wheel $ensor

8. Are your /easured values 5ro/ the trainer o6ay

=econnect all o5 the Wheel $4eed $ensors to their harnesses by setting the sitches to theConnect 4osition.

Connect your $can Tool and turn the Ignition $itch >?.

". =ead out the DTCs ith the $can Tool and list belo.

(. Disconnect the @e5t ront Wheel $ensor using the arness Disconnect $itch and

describe hat ha44ens.


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,-8 Delco-Bosch ABS/TCS System – Acti(ity ,


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1(. Which sensor has the s/allest AC >ut4ut at uestion:

F20. o does the ;TC3 6no hen the sensor is disconnected i5 the heels are not

rotating


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Delco-Bosch ABSystem

Student Manual


Actiity 7

)2e&ation a&t '''


The 4ur4ose o5 this activity is to continue the study and observation o5 the o4eration o5 the

Anti*@oc6 ;ra6e and Traction Control $yste/s.


ATech 3odel 1"81*"0 Delco*;osch A;$TC$ $yste/ Trainer $can Tool &one o5 the 5olloing)

➢Tech 1 ith 3 Chassis Cartridge and suitable ada4ters 5or L19TC 3onitor "000 enhanced ith A;$ 9' Cartridge, 880(*+8 $yste/ $/art Cable, and

880


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•=ead 4ages 8*1< through 8*1' in the =e5erence ;oo6 and anser the 5olloing :uestions.

Bra$e Switches:

1. The ;TC3 ill not initiate A;$ >4eration until it receives a signal 5or the

sitch.

2. When the driver 4resses the ;ra6e Pedal, current 5los to the ;ra6e @ights and to the

.

Note: The ;osch ( $yste/ has another ;ra6e In4ut $itch hich is nor/ally closed and o4ens

hen the ;ra6e Pedal is de4ressed a44ro-i/ately "0N. It is re5erred to as the ;ra6e

-tended Travel $itch or the TC$Anti*@oc6 ;ra6e $itch.

Service Manual %nformation:

•o to the sche/atic on 4age (2*18 in the $ervice 3anual In5or/ation.

8. What 4in on the ;TC3 connects to the -tended ;ra6e Travel $itch

Solenoid Monitor %n'ut:

". The ;TC3 chec6s 5or a signal 5ro/ the solenoid relay in4ut during%

Throttle Position Sensor:

(. What does the abbreviation TAC /ean

55 $itch the Traction Control $yste/ on and o55.

'. When the TC$ >55 @a/4 is not illu/inated, is the TC$ $yste/ on or o55


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!ou should have 4reviously ac:uired the $cience noledge to anser the 5olloing A44lied

$cience Euestions.

F9. De5ine GAccelerationH.

F10. What is /eant by G*orceH

!ccelerometers:

11. The lateral *orce generated during is /easured by the lateral

accelero/eter.

12. $tabilitra6 is a 3 $yste/ to i/4rove the cornering ability o5 a vehicle. @ist the three in4uts

that the $tabilitra6 $yste/ /onitors.

a.

b.

c.

•=ead 4ages 8*19 through 8*22 in the =e5erence ;oo6 and anser the 5olloing :uestions.

+BT#M Out'ut:

18. The ;TC3 energies the solenoid relay henever%

1". The ;ra6e Pressure 3odulator Jalve can , , or bra6e 5luid 4ressure.

1(. The 3odulator Jalve cancan not 4rovide /ore 4ressure than is a44lied by the3aster Cylinder. &Circle correct anser)

1


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1+. What is the 4ur4ose o5 the Pri/e Jalves

1'. The solenoid 4oer relay and 4oer relay are

serviced as 4art o5 the ;C3 or ;TC3.

19. The /ay be services as a se4arate 4art o5 the co/4lete asse/bly.

20. The /otor is services as 4art o5 the .

Conclusion:

To bra6e sitches su44ly in4ut to the ;TC3. They are the ;ra6e @ight $itch and the -tended

;ra6e Travel $itch. The ;TC3 /onitors activation o5 the bra6es during both A;$ and TC$ activity

and esti/ates the bra6e rotor te/4erature. I5 the te/4erature e-ceeds a certain value, the ;TC3 illdisable the TC$ $yste/ until it esti/ates that the te/4erature has reduced to a sa5e value.



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)N-T!A'N#! )!"S8##T

Actiity 7

Set()':


3a6e sure the our Wheel $ensor / arness $itches on each side o5 the vehicle are in the

Connect 4osition.

3a6e sure the ;TC3;P3J $itch is in the Connect 4osition





@ocate the GPoer ;loc6H in the loer right*hand corner o5 the A;$TC$ ;oard and turn

$yste/ Poer >?.

Connect your $can tool and initialie.

Turn Ignition $itch >?.

$et the $can Tool to dis4lay both the ;ra6e $itch and the ;ra6e -tended Travel $itch.

1. Does the $can Tool sho both o5 the/ to be =eleased &o55) or A44lied &on)

2. Press the ;ra6e Pedal only 5ar enough to light the bra6e lights on the trainer.

=ecord the status o5 the to sitches belo.

;ra6e $itch *

;ra6e Travel $itch *

8. Press the ;ra6e Pedal don until the ;ra6e Travel $itch on the $can Tool indicates

a44lied. Does this occur at about "0N travel

$et the $can Tool to dis4lay ault Codes.

•Accelerate the trainer to reach its /a-i/u/ s4eed and release the as Pedal.

•Press the ;ra6e Pedal co/4letely don and observe the $olenoid Indicator @ights as the A;$ or6s.

". Which $olenoid Indicator @ights illu/inate

Delco-Bosch ABS/TCS System - Acti(ity -


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(. Which $olenoid Indicator @ight sto4s illu/inating belo 20 3P

•When the vehicle s4eed e:uals 0 3P, release the ;ra6e Pedal, and turn the Ignition $itch >.

•Wait one /inute and turn the Ignition $itch >?.

•A5ter the initial Diagnostic $el5 Test. Chec6 the TC$ >55 @ight. It should be > &not

lit) indicating that the TC$ $yste/ is Active.•Accelerate the trainer to reach its /a-i/u/ s4eed and release the as Pedal.

•Press the ;ra6e Pedal co/4letely don and bring the trainer to a co/4lete sto4 &vehicle s4eed M 0).

•Press the accelerator to reach ( 3P.

• ?ote the ti/e.

55 @ight

+. When the light is on, hat does this indicate

'. What DTC is indicated on the $can Tool

9. 3onitor the ti/e and /easure ho long the TC$ >55 @ight is >?.

Note: I5 the TC$ >55 @ight is not lit, the TC$ $yste/ is o4erational but the ault Code 5ro/ the

4revious ste4s ill be 4resent until the ignition is cycled.

•Turn the Ignition $itch >. Wait 80 seconds and turn the Ignition $itch >?.

10. #sing the $can Tool, read the ault Codes again. What code is indicated

11. ro/ 4age (2*20, a DTC 8' indicates hat 4roble/

12. What 4age is indicated 5or the diagnostic 4rocedure

18. At hat bra6e rotor te/4erature does DTC 8' set

1". I5 the TC$ $yste/ turns the TC$ >55 @ight on o5 e-cessive rotor te/4erature, as therotors cool don, at hat bra6e rotor te/4erature ill the TC$ $yste/ turn the TC$

>55 @ight o55

1(. o does the ;TC3 6no the te/4erature o5 the bra6e rotors

•Turn the Ignition $itch and the $yste/ Poer >.


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Delco-Bosch AB

System

Student Manual


Actiity 9

8yd&aulic System a&t '

Performance Objectives:The 4ur4ose o5 this activity is to study the hydraulic o4eration o5 the Anti*@oc6 ;ra6e and

Traction Control $yste/s.


ATech 3odel 1"81"0 Delco*;osch A;$TC$ Trainer

References:



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F1. What is the 4ur4ose o5 the GChec6 JalveH

F2. In the 5olloing 5igure, circle each Chec6 Jalve.

D'A$)NA( S('T


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•=ead 4ages 8*28 through 8*8+ in the =e5erence ;oo6 5or the 5olloing :uestions.

#om'onent Function:

8. What are the to 4ur4oses o5 the =ecirculation Pu/4 in the ;P3J

a.

b.

". What is the 4ur4ose o5 the ;ra6e luid Accu/ulators

(. The ;osch ( $eries ;P3 has one nor/ally Inlet and one nor/ally

>utlet $olenoid Jalve 5or each heel.


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1on(!BS Fluid Flow:

10. In the 5olloing 5igure, sho the nor/al bra6ing &?on*A;$) 5luid 5lo.

D'A$)NA( S('T


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11. I5 a Wheel $4eed $ensor indicates e-cessive deceleration during bra6ing, the;TC3 ill%

12. Closing an Inlet Jalve 4revents additional 5ro/ entering

the circuit and /aintains the established bra6e 4ressure in the cali4er.

18. The action described in :uestion 12 is called% &circle the correct anser)

a. Pressure Increase b. Pressure Decrease

c. Pressure old

1". I5 the heel continues to decelerate too ra4idly, the ;TC3 ill%

1(. >4ening an >utlet Jalve bra6e 5luid 5ro/ the cali4er

and reduces bra6e 4ressure.

Pressure -old4 &ecrease4 %ncrease:

1nce the Wheel $4eed $ensor indicates no i/4ending loc6u4, the ;TC3 closes the

>utlet Jalve and reo4ens the Inlet Jalve alloing 4ressure to increase. This action is

called% &circle the correct anser)a. Pressure Increase

b. Pressure Decrease

c. Pressure old


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1'. In the circuit belo, indicate the @= old $olenoid.

19. I5 the @ Wheel as in the Pressure =elease 3ode, indicate hich solenoid ould be

Closed and hich ould be >4en.

D'A$)NA( S('T


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+ngine Management:

20. @ist the three 4ossible ngine 3anage/ent and bra6e intervention strategies that

/ay be used during Traction Control.

a.

b.

c.

21. TC$ induced $4ar6 =etard decrease ti/ing beyond To4 Dead Center &TDC).


F22. o does retarding the s4ar6 advance reduce engine out4ut tor:ue

F28. What is /eant by To4 Dead Center &TDC)

T#S Fluid Flow:

When TC$ ;ra6e Intervention is re:uired, the Isolation $olenoid Jalve is turned on &closed) to

4revent 5luid 5ro/ the 4u/4 going to the 3aster Cylinder. The 5luid is alloed to 5lo to the

controlled bra6e cali4er. The Pri/e $olenoid Jalve is turned on &o4en) 5or to 4ur4oses%

➢ To 4rovide a 4ath 5or 5luid 5lo to the 4u/4 5ro/ the reservoir.

➢ To 4rovide a 4ath 5or 5luid 5lo to relieve 4ressure i5 the ;TC3 activates the =elease$olenoid during the TC$ event.


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DIAGONAL SPLIT

2". In the 5olloing 5igure, illustrate 5luid 5lo 5or a TC$ Activation o5 the @e5t ront

Circuit.

Conclusion:

The ;TC3 controls various solenoids to 4revent 4ositive and negative heel sli44age.

Whether heels are controlled individually or together is deter/ined by the original syste/

engineers based u4on vehicle characteristics and sa5ety concerns.



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)N-T!A'N#! )!"S8##T

Actiity 9

Set()':



Connect 4osition.




$et the A;$ $yste/s $itch to Active.


@ocate the GPoer ;loc6H in the loer right*hand corner o5 the A;$TC$ ;oard and turn$yste/ Poer >?.

Connect your $can Tool and initialie.


Accelerate to "( 3P and then a44ly 5ull bra6ing 5orce.

1. @ist the GoldH ydraulic $olenoid Control Jalves hich are activated as the vehicle

sto4s.

2. Which GoldH ydraulic $olenoid Control Jalve is not activated by the ;TC3 belo a44ro-i/ately 20 3P

8. @ist the G=eleaseH ydraulic $olenoid Control Jalve that is activated as the vehicle

sto4s.

Note: A5ter the vehicle has sto44ed and the ;ra6e Pedal is released, the to Pri/e $olenoids

are activated. This allos any residual 4ressuried 5luid in the hydraulic circuit to be

returned to the reservoir as a sa5ety 4recaution.


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•Turn the Ignition $itch >, ait 10 seconds and turn the Ignition $itch >?.

•$et the Wheel $elect to =.

•Accelerate to "( 3P and then a44ly 5ull bra6ing 5orce.

". @ist the GoldH ydraulic $olenoid Control Jalves hich are activated as the vehiclesto4s.

(. @ist the G=eleaseH ydraulic $olenoid Control Jalve that is activated as the vehicle

sto4s.

, ait 10 seconds and turn the Ignition $itch >?.

•$et the Wheel $elect to @=.


+. @ist the GoldH ydraulic $olenoid Control Jalves hich are activated as the vehicle

sto4s.

'. @ist the G=eleaseH ydraulic $olenoid Control Jalves hich are activated as the

vehicle sto4s.


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9. Which GoldH ydraulic $olenoid Control Jalves are not activated by the ;TC3

belo a44ro-i/ately 20 3P

•Turn the Ignition $itch >, ait 10 seconds and turn the Ignition $itch >?.

•$et the Wheel $elect to ==.


10. @ist the GoldH ydraulic $olenoid Control Jalves hich are activated as the vehicle

sto4s.

11. @ist the G=eleaseH ydraulic $olenoid Control Jalves hich are activated as thevehicle sto4s.

12. Which GoldH ydraulic $olenoid Control Jalves are not activated by the ;TC3 belo a44ro-i/ately 20 3P

Note: The rear heels are o4erated together on this syste/ the sa/e as a three ay syste/.



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Student Manual


Actiity

8yd&aulic System a&t ''


The 4ur4ose o5 this activity is to study and observe the o4eration o5 the Anti*@oc6 ;ra6e $yste/.


ATech 3odel 1"81*"0 Delco*;osch A;$TC$ $yste/ Trainer

References:

?one

Delco-BoschABS/TCS

System


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'2 Delco-Bosch ABS/TCS System – Acti(ity


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)n-T&aine& o&%sheet

Actiity

Set()':



Connect 4osition.







$yste/ Poer >?.


Note: I5 DTC 8' sets during the 5olloing activities and the TC$ >55 @ight illu/inates, it

does not a55ect the results o5 the activities.

Accelerate to (0 3P.

A44ly 5ull bra6ing 5orce.

1. =ecord the sto44ing distance re:uired to sto4 a vehicle traveling on ice at (0 3P.

$et the =oad Condition to $no.

Accelerate to (0 3P.

A44ly 5ull bra6ing 5orce.

2. =ecord the sto44ing distance re:uired to sto4 a vehicle traveling on sno at (0 3P.

•$et the =oad Condition to Wet.

•Accelerate to (0 3P.

•A44ly 5ull bra6ing 5orce.


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8. =ecord the sto44ing distance re:uired to sto4 a vehicle traveling on et 4ave/ent at(0 3P.

•$et the =oad Condition to Dry.


•A44ly 5ull bra6ing 5orce.

". =ecord the sto44ing distance re:uired to sto4 a vehicle traveling on dry 4ave/ent at(0 3P.

•$et the =oad Condition to Ice.

•$et the A;$ $yste/ sitch to Inactive.


•;ra6e the vehicle to a sto4 as ra4idly as 4ossible ithout crashing

Note: I5 you crash, Bust accelerate to (0 3P and try again.

(. =ecord your shortest sto44ing distance.


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-, Delco-Bosch ABS/TCS System – Acti(ity


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.nowledge #hec$ /uestion0:

F9. I5 a vehicle has a se4aration beteen the 5ront heels o5 ( 5eet and is rounding a

curve ith a radius o5 2( 5eet, hat is the di55erence in distance traveled 5or a 1'0

degree turn. Assu/e the outside vehicle heel is at the 2( 5oot radius.


Conclusion:

The Anti*@oc6 ;ra6e $yste/ or6s to reduce sto44ing distances at all s4eeds and all road

conditions. An additional bene5it o5 the A;$ is the ability o5 the driver to steer the vehicle during

a 4anic sto4.


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Student Manual


Actiity ;

8yd&aulic System a&t '''


The 4ur4ose o5 this activity is to study and observe o5 the o4eration o5 the Traction Control$yste/.


•ATech 3odel 1"81"0 Delco*;osch A;$TC$ $yste/ Trainer

References:

• ?one


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8'2 Delco-Bosch ABS/TCS System – Acti(ity 8


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)n- T&aine& o&%sheet

Actiity ;



Connect 4osition.







$yste/ Poer >?.

Connect your $can Tool and initialie.


T#S &emonstration:

The TC$ De/onstration 3ode on the trainer allos the student to accelerate to a44ro-i/ately

80 3P.





Press the as Pedal all the ay don &ide o4en throttle).


•=elease the as Pedal and 4ress the ;ra6e to return to 0 3P.

•$et the =oad Conditions $itch to Wet.

•Press the as Pedal all the ay don &ide o4en throttle).


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Delco-Bosch ABS/TCS System – Acti(ity 8 8-+


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•$et the =oad Conditions $itch to $no.




•$et the =oad Conditions sitch to Ice.


". According to the $tarting$to44ing Distance Dis4lay, ho /any 5eet did it ta6e to

reach 80 3P

(. @ist the $olenoids that are activated during the acceleration.


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8-, Delco-Bosch ABS/TCS System –Acti(ity 8


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Sta&tin+ Distance 5ithout TCS:

The trainer allos the student to co/4ete against the TC$ $yste/ in accelerating the vehicle to

80 3P. As you accelerate, atch the s6id indicator 5or e-cessive acceleration. I5 you accelerate

too ra4idly, the vehicle ill start to s6id o55 the road as shon on the @CD Dis4lay. I5 you crash,

no distance ill be dis4layed. I5 you accelerate and reach 80 3P ithout crashing but the

distance is greater than the TC$ value, you can bra6e and try again.

•Press the TC$ $yste/ >n>55 $itch to turn >? the TC$ >55 @ight.

•Accelerate to 80 3P as ra4idly as 4ossible ithout crashing.


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Delco-Bosch ABS/TCS System – Acti(ity 8 8-


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8'. Delco-Bosch ABS/TCS System –Acti(ity 8


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Student Manual


Actiity <

o5e& )n Sel.?Test


The 4ur4ose o5 this activity is to revie the diagnosis 4rocedure and observe syste/ diagnostics.


ATech 3odel 1"81"0 Delco*;osch A;$TC$ $yste/ Trainer $can Tool &one o5 the 5olloing)


880


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•=ead Page "*1 in the =e5erence ;oo6 and anser the 5olloing :uestions.

!uto Test:

1. When does the ;TC3 4er5or/ an Auto Test

2. @ist the ite/s chec6ed during an Auto Test.

8. When the ;TC3 detects a 5ault, it /ay%

a.

b.

c.

•=ead 4ages "*8 and "*" in the =e5erence ;oo6 and anser the 5olloing :uestions.

Note: $o/e o5 the diagnostic 4rocedures that can be conducted ith the Tech 1 or Tech 2

$can Tool are unavailable to other scan tool /anu5acturers and ill not be discussed in

this 4rogra/. I5 they are available to you, veri5y their o4eration ith your instructor

be5ore using on the trainer.

Strateg, Based &iagnostics:

". The third ste4 in $trategy ;ased Diagnostics is%

(. The last ste4 in $trategy ;ased Diagnostics is%


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Conclusion:

ard DTCs &the ter/ GhardH /eans they are alays 4resent) cannot be cleared by the $can Tool

until they are 4hysically re4aired. I5 a trouble clears itsel5, the DTC code ill disa44ear on ne-t

ignition cycle and syste/ ill be o4erational.


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', Delco-Bosch ABS/TCS System – Acti(ity


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)n T&aine& o&%sheet

Actiity <



Connect 4osition.







$yste/ Poer >?.



1. @ist the lights that are activated during the sel5 diagnostics%

=ead out the DTCs o5 the syste/ ith the $can Tool and clear the/ i5 necessary.

Turn the Ignition $itch >.

Care5ully re/ove the = Isolation Indicator @a/4 &unscre the lens cover hich also contains

the la/4).


2. What la/4s re/ain lit a5ter the initial sel5*test 4rocedure o5 the ;TC3


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Delco-Bosch ABS/TCS System – Acti(ity -


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8. #sing the $can Tool, deter/ine hat ault Code &DTC) is 4resent in the syste/.

". ro/ the $ervice 3anual, hat does this code re4resent

(. Atte/4t to clear this DTC ith the $can Tool. Will the DTC clear

•Care5ully reinstall the = Isolation @a/4. &Caution: Do ?ot >ver Tighten)

and re/ove the = Isolation @a/4.


+. Is DTC 4resent

•=einstall la/4. &Caution: Do ?ot >ver Tighten)

•Turn the Ignition $itch >55 and ait 10 seconds.


'. Is the DTC still 4resent



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-. Delco-Bosch ABS/TCS System – Acti(ity


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Student Manual


Continuous Sel.-Test


The 4ur4ose o5 this activity is to revie the diagnosis 4rocedure and observe syste/ sel5*testdiagnostics.



3eter 5or /easuring Jolts and >h/s $can Tool &one o5 the 5olloing)


880bviously, it

ould enhance sa5ety i5 the ;TC3 could 6no the instant a iring harness connector beca/e

5aulted &o4en or shorted), a sensor 5ailed, or a solenoid 5ailed.


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)n-T&aine& o&%sheet

Actiity 10

Set()':



Connect 4osition.



$et the Conditions $itch to Ice.




$yste/ Poer >?.



=ead out the DTCs o5 the syste/ ith the $can Tool and clear the/ i5 necessary.

Turn the Ignition $itch >.

Care5ully re/ove the = Isolation Indicator @a/4 &unscre the lens cover hich also containsthe la/4).


1. What la/4s re/ain lit a5ter the initial sel5*test 4rocedure o5 the ;TC3

2. #sing the $can Tool, deter/ine hat 5ault code &DTC) is 4resent in the syste/.

8. ro/ the $ervice 3anual In5or/ation 4age (2*'2, hat does this code re4resent

Note: In 4er5or/ing the service diagnostic 4rocedure, the 5olloing di55erences should be

observed%

➢ Any digital volt oh/ /eter can be substituted 5or the L89200.➢ The L"12"+ brea6out bo- is not needed because the connections are bro6en out on the 5ront

4anel o5 the ATech unit.➢ To re/ove the ;TC3 5ro/ the ;P3J on the trainer, set the ;TC3;P3J

Connection $itch to Disconnect. The $yste/ Poer $itch /ust be >? to 4er5or/ the

disconnect. The Ignition $itch /ust be >.➢ #se the ti4 Bac6s on the 5ront 4anel to /easure beteen ter/inals re:uested in the

diagnostic 4rocedure.

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•Per5or/ the diagnostic 4rocedure on 4age (2*'8 in the $ervice 3anual In5or/ation to

anser the 5olloing :uestions.

". Describe the 4roble/ you 5ound on the trainer.

(. What is the solution given 5or the 4roble/ in the diagnostic 4rocedure

•=einstall la/4. &Caution: Do not >ver Tighten)

•Ignition should be >. &5ro/ diagnostic 4rocedure)

•$et the trainer ;TC3;P3J $itch to Connect.


•Chec6 5or ault Codes &DTCs) in the syste/ ith the $can Tool. I5 any are 4resent, clear

the/ ith the $can Tool.

•$et the @ Wheel $ensor ConnectDisconnect $itch to Disconnect.

55 and Anti*@oc6

@ights.

+. What DTC is set by the syste/ 5or this 5ault

•$et the @ Wheel $ensor ConnectDisconnect $itch to Connect.

•Clear the DTC ith the $can Tool


Conclusion:

The ;TC3 4er5or/s a sel5*diagnostic test hen the Ignition $itch is turned on to chec6 Pu/4

3otor, $olenoid Jalves, and Wheel $4eed $ensors. It also 4er5or/s a continuous test to /onitor

the syste/ as it is being used. I5 the ;TC3 deter/ines that a 4ossible syste/ /al5unction has

occurred, it instantly disables the syste/ and indicates to the vehicle o4erator through the TC$ >55

and A;$ Warning @ights.


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Delco-Bosch

ABS/TCS

System


)n-Vehicle


The 4ur4ose o5 this activity is to study the >n*Jehicle service, re4air and re4lace/ent

4rocedures.



References:


This activity is a study and revie o5 >n*Jehicle service 4rocedures as related to the Delco*;osch (

A;$TC$. These discussions should be 5olloed by actual >n*Jehicle o4erations to ensure that you

understand the 4rocedures discussed. Coordinate the >n*Jehicle activities ith your instructor.

Student Manual


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•=ead 4age (2*102 5ro/ the $ervice 3anual In5or/ation and anser the 5olloing :uestions.

Safet, Procedures:

1. ;e5ore 4er5or/ing electric elding 4rocedures, un4lug the

arness Connector.

2. When charging a battery, alays disconnect the battery cable.

8. Wheel $4eed $ensors are to be 4ushed in 4lace by only. Do not

5orce into 4lace.

". I5 any hydraulic co/4onent is re/oved or disconnected, it /ay be necessary to%

(. #se o5 tire sies other than those reco//ended /ay result in a reduction in the%


F


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#om'onent Locations:

12. ro/ igure ( on 4age (2*10(, list the co/4onent associated ith the 5olloing

nu/bers.

1.

2.

8.

".

(.


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Model 1431/40


Student: 'nst&ucto&:

At this point in the program* as& your instructor to re(ie" your a!ility to perform the follo"ing #AT$% tas&san recor your progress'

V

1.

B!A"#S

$ Antiloc% B&a%e and T&action Cont&ol System

Identi5y and ins4ect antiloc6 bra6e syste/ &A;$) co/4onents7 deter/ine

Date

$&ade

necessary action.

8. Diagnose antiloc6 bra6e syste/ &A;$) electronic control&s) and

co/4onents using sel5*diagnosis andor reco//ended test e:ui4/ent7

deter/ine necessary action.

(. ;leed the antiloc6 bra6e syste/Ks &A;$) 5ront and rear hydraulic circuits.

) &includes out4ut signal, resistance, shorts to voltageground, and

5re:uency data).

9. Identi5y traction control syste/ co/4onents.

V' #(#CT!'CA(/#(#CT!)N'C S*ST#MS

A $ene&al #lect&ical System Dia+nosis

2. Identi5y and inter4ret electricalelectronic syste/ concern7 deter/ine necessary

action.



NAT#, TAS"S!eco&d "ee2in+ Sheet


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1


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2


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M)D#( 1431/40


!e.e&ence Boo%

Published by ATech Training, Inc.

12290 Chandler Drive

Walton, ! "109" #$A

Phone% &'(9) "'(*+229 • a-% &'(9) "'(*+299

/ail% salesatechtraining.co/Website% .atechtraining.co/

mailto:[email protected]:[email protected]://www.atechtraining.com/mailto:[email protected]://www.atechtraining.com/


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M)D#( 1431/40

Delco-Bosch ABS/TCS SystemSe&ice Manual 'n.o&mation

ontiac: Bonneille)ldsmoile: #i+hty-#i+ht@ (SS@ Ninety-#i+ht

Buic%: (e Sa&e a&% Aenue

V'N: 1$38N76";T4;19


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Ser(ice 1anual nformation


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FORARD

1=3ATI>?

1 ATI? A?D AI= C>?DITI>?I?

8$T=I?, $#$P?$I>?,

TI=$ A?D W@$

" D=IJ AO@

( ;=A$

< ?I?

+ T=A?$AO@

' @CT=ICA@ Q ;>D! A?D CA$$I$

9 ACC$$>=I$

10 ;>D! $=JIC

I?DO A@PA;TICA@ I?DO


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1=I$

Audio $yste/s

Cruise Control

Tilight $entinelThe5t Deterrent $yste/s

ngine Coolant eater

$u44le/ental In5latable =estraint &$I=)$yste/

=e/ote unction Actuator

lectronic Co/4assead #4 Dis4lay &#D)

9

9A9;9C9D

99L

9 9@93

;>D! $=JICIntroduction 10

eneral ;ody $ervice 10*1$tationary Widos 10*2ra/e and #nderbody 10*8;u/4ers 10*";ody ront nd 10*(

Doors 10*<=ear Euarters 10*+;ody =ear nd 10*'=oo5 10*9$eats and Car4et 10*10

$eat ;elts 10*11

A@PA;TICA@ I?DOI?DO*1

TA;@ > C>?T?T$ $CTI>?

ngineDriveability8'00 Driveability R /issions

"T?

@CT=ICA@ Q ;>D! A?D CA$$I$

lectrical Diagnosis'A

A@PA;TICA@ I?DO I?DO*1


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A;$TC$ (2*(

B!A"#E a&nin+ (am2

The red G;=AH la/4 in the instru/ent cluster illillu/inate to arn the driver o5 conditions in the bra6e

syste/ hich /ay result in reduced bra6ing ability. It ill

also illu/inate hen the 4ar6ing bra6e is a44lied or not5ully released, or i5 the bra6e 5luid level sitch is closed.

The G;=AH arning la/4 ill stay illu/inated until the

condition has been re4aired. =e5er to $CTI>? (.

ANT'()C"E 'ndicato& (am2

The GA?TI@>CH arning la/4 is also located in the

instru/ent cluster and ill illu/inate i5 a /al5unction inthe A;$ is detected by the lectronic ;ra6e &and Traction)

Control 3odule &;C3;TC3). The GA?TI@>CHla/4 in5or/s the driver that a condition e-ists hich

results in turning o55 the antiloc6 bra6e and traction control

5unction. I5 only the SA?TI@>CH la/4 is on, nor/al bra6ing ith 5ull 4oer assist is available. I5 the G;=AH

and GA?TI@>CH la/4s are on, a 4roble/ /ay e-ist in

the hydraulic bra6e syste/. =e5er to $CTI>? (.Conditions 5or the GA?TI@>CH la/4 to turn on are as

5ollos%

1. A;$ /al5unction detected. As 4reviouslydescribed, the GA?TI@>CH la/4 turns on

hen a 4roble/ has been 5ound in the A;$. TheGA?TI@>CH la/4 indicates that the A;$ and

TC$ have been disabled.

2. Instru/ent 4anel bulb chec6. When the ignition isturned to G=#?,H the GA?TI@>CH la/4 ill

turn on 5or a44ro-i/ately three seconds and then

turn o55. The GA?TI@>CH la/4 should turn o55ith the ignition sitch in the G=#?H 4osition.

F 'm2o&tant Illu/ination o5 the G;=AH arning la/4 /ayindicate reduced bra6ing ability.

Illu/ination o5 the GA?TI@>CH la/4 ithout the

G;=AH arning la/4 on indicates only thatantiloc6 bra6ing is no longer available. Poer

assisted bra6ing ithout antiloc6 control is still

available. =e5er to $CTI>? ( 5or diagnosis o5 any condition

hich causes the G;=AH arning la/4 toillu/inate.

=e5er to GDiagnosisH in this section 5or any condition

hich causes the GA?TI@>CH arning la/4 toillu/inate.

T!ACT')N ),,E (am2

Illu/ination o5 the GT=ACTI>? >H la/4 indicatesthat a /al5unction has occurred and the traction control

syste/ is disabled, or the GTC$ >H sitch has been

activated.

T!ACT')N ACT'V#E (am2

Illu/ination o5 the GT=ACTI>? ACTIJH la/4

indicates that traction control is active. This la/4 does not/ean a /al5unction has occurred or service is needed.

S*ST#M C)M)N#NTS

B&a%e &essu&e Modulato& Vale GBMVH

Figure 5

The ;ra6e Pressure 3odulator Jalve &;P3J), /ounted

on the le5t 5ront side o5 the engine co/4art/ent. 4rovides bra6e 5luid /odulation 5or each o5 the individual heel

circuits as re:uired during antiloc6 bra6ing. During theantiloc6 /ode, the ;P3J can /aintain or reduce bra6e 5luid

4ressure inde4endent o5 the 4ressure generated in the /aster

cylinder. The ;P3J does not 4rovide /ore 4ressure than isa44lied by the /aster cylinder during bra6ing. The

;TC3;P3J asse/bly can a44ly the rear bra6es during

traction control /ode.With the e-ce4tion o5 the ;C3;TC3, the ;ra6e

Pressure 3odulator Jalve &;P3J) is an integral, non*

serviceable co/4onent. The ;P3J should never bedisasse/bled.

The ;ra6e Pressure 3odulator Jalve &;P3J) uses a5our circuit con5iguration during nor/al bra6ing. Individual

circuits are 4rovided 5or the le5t 5ront and right rear heels,and right 5ront and le5t rear heels. The diagonal circuitsare hydraulically isolated so that a lea6 or /al5unction in

one circuit ill allo continued bra6ing ability on the

other.The ;ra6e Pressure 3odulator Jalve &;P3J) consists

o5 several other co/4onents hich are described as 5ollos%

um2 Moto&

The ;ra6e Pressure 3odulator Jalve &;P3J) also

contains a s/all 4u/4 hich circulates bra6e 5luid bac6 to

the /aster cylinder circuit during the antiloc6 /ode. The 4u/4 is located in the ;ra6e Pressure 3odulator Jalve and

cannot be serviced se4arately.

Solenoid Vales

The solenoid valves o5 the /odulator are an integral

4ortion o5 the ;ra6e Pressure 3odulator Jalve &;P3J)and are not serviceable. The solenoid valves increase,

decrease or /aintain bra6e 5luid 4ressure to the individual

heel circuits. The solenoid valves are controlled by the;C3;TC3, hich co//ands the valves to their

correct 4osition during antiloc6 bra6ing. During nor/al

bra6ing, the valves are 4ositioned to 4ressure increase, orG>4en.H ;ra6ing is acco/4lished as a nor/al 4oer assist

syste/. During A;$ or TC$ /ode, the 4ressure in each

hydraulic circuit can be increased, decreased or heldconstant by changing the valve 4ositions to various

co/binations.

#lect&onic B&a%e Gand T&actionH Cont&ol

Module G#BCM/#BTCMH

Figure 5

The ;C3;TC3 is a s/all control /icro4rocessor,hich /onitors the s4eed o5 each heel and the electrical

status o5 the ;ra6e Pressure 3odulator Jalve &;P3J).


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(2 A;$TC$


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A;$TC$ (2*18


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(2*1" A;$TC$

LF WHEELSPEEDSENSOR

= W@$PD$?$>=

@= W@$PD$?$>=

== W@$PD$?$>=

; A ; A

; A ; A

0.( ;@ '80 0.( ;@ '+20.( ;@ ''" 0.( ;@ ''2

0.( '+8

WT

0.( '88

WT0.( ''(

WT

0.( ''8

WT

C120; A ; A C121

C

D

A ;C"1(

0.( '80

@T ;@#0.( '+2

D =? P101

0.( ;@ ''"0.( ;=? ''2

P"08

P100 ELECTRICONIC

I @> I @> I @> I @>

@ W$$

I?P#T= W$$

I?P#T

@= W$$

I?P#T

== W$$

I?P#T

=E#$TD

T>=E#>#TP#T

D@IJ=D

T>=E#I?P#T

#A=T DATA @I?$ 3A?A$T=

I

3A?A$T=

@>

1 1"0.8( "


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A;$TC$ (2*20

ABS/TCS DTC TAB(#

DTC D#SC!'T')N A$#

11 A;$ Warning @a/4 Circuit 3al5unction (2*"0

1" $olenoid Jalve =elay Contact Circuit >4en (2*"2

1< $olenoid Jalve =elay Coil Circuit >4en (2*""1+ ;P3J Pu/4 3otor =elay Contact Circuit >4en (2*"<

21 @ Wheel $4eed $ensor In4ut $ignal * 0 (2*"'

22 = Wheel $4eed $ens

1431-40 Student Manual Abs

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Transcript of 1431-40 Student Manual Abs