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Bulletin Number : ISB-2001016

Date : Oct. 20, 2001

Component category : 01-Engine

Bulletin Group : Technical

Distribution : World wide

SUBJECT : Information and trouble shooting for preheating time relay MODELS : MUSSO, KORANDO with diesel engine

CONDITION:This service bulletin is issued for inform you about the preheating time relay and trouble shooting

Function of preheating time relay - Switching of preheating current. - Indication of preheating finish. - Control of preheating sequence. - Indication of fault.

Operation

1. When the ignition key is on, preheating relay supply the power(12V) to terminal 15 and LA. Andsupply the power(12V) to the glow plug during 10 sec through the terminal G1 ~ G5.

And then put out the glow indicator.

2. When the engine is started, the preheating time relay supply the power(12V) to terminal 50, soadditional power is supplied to glow plug through the terminal G1~G5. At this time, glow indicatodoes not come on.

This service bulletin is intended for internal use only. All information, illustrations and specifications contained in this bulletin are

based on the latest product information available at the time of issue.

crewTerminal arrangement

15 IGN 1 power supply30 Power supplied from B+ (12V)31 Ground50 Key S/TT Coolant temp. sensor

G1~G5 Glow plugsLA Glow indicator

Preheating Time Relay

International A/S TeamTel: 82-31-610-1400Fax: 82-31-610-3733

E-mail:sykim1@smotor.com

Printed in Korea

SSANGYONG MOTOR COMPANY

ISB-2001016

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3. Even if the vehicle is driving, preheating time relay checks the coolant temperature through the terminal 'T' and decides the preheating time. - When the coolant temperature is 20 , glow indicator lamp on time : 4 ~ 6 second

4. If the one or several glow plugs are faulty, preheating time relay lights the glow indicator after starting for about 2 minute,

Trouble shooting

[Caution ] Please check the below items, before replacing the preheating time relay. - Battery power, - Sensor of coolant temperature - Ground state of wiring, - Glow plug and wiring

Ground point

Vehicle RemarksTightenTighten

[G101] [G201]This service bulletin is intended for internal use only. All information, illustrations and specifications contained in this bulletin are

based on the latest product information available at the time of issue.

MUSSO

Ground pointsG101 : Rear side of the left head lampG201 : Left upper side of the cabin room relay box

Vehicle Symptom Cause

MussoWhen the horn is operated,glow indicator comes on intermittently

Preheating time relayis faulty

Replace it with new one

Glow indicator does not comes onin preheating time and comes onafter starting the engine

One or several glow plugsare faulty

Battery is faulty

Ground is faulty

B+ wiring or connection is faulty

Glow indicator is faulty

Circuit of glow indicator is faulty

Control relay is faulty

Circuit short in one or severalglow plugs

Check the circuit

Preheating circuits is faulty

Control relay is faulty

Glow indicator comes on after startingfor about one minute

One or several glow plugsare faulty

MussoKorando

Glow indicator does not come on andengine's starting is difficult or does notstart at all

Glow indicator does not come onwhile preheating and after engine start

Check the glow plug andreplace

Check the glow plug andreplace

Preheating is not operated and glowlamp does not come on

Replace it with new one

Replace it with new one

Action

Replace it with new one

Tighten the ground bolt

Check the connection

BATTERY

WASHERTANK

International A/S TeamTel: 82-31-610-1400Fax: 82-31-610-3733

E-mail:sykim1@smotor.com

Printed in Korea

SSANGYONG MOTOR COMPANY

ISB-2001016

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Vehicle RemarksTightenTighten

[G101] [G201]

Diagnose method for glow plug - Check the resistance between glow plug and engine block. - Specification . Resistance : 1 0.5( ) - When is cold . Tightening torque (glow plug) : 20Nm (15 lb-ft)

. Tightening torque (nut) : 4Nm (35 lb-in)

Part number of the preheating time relay

- The parts table is attached

This service bulletin is intended for internal use only. All information, illustrations and specifications contained in this bulletin are

based on the latest product information available at the time of issue.

KORANDO

Ground points

G201 : Below of the crash pad left endG101 : Beside of the battery

BATTERY

International A/S TeamTel: 82-31-610-1400Fax: 82-31-610-3733

E-mail:sykim1@smotor.com

Printed in Korea

SSANGYONG MOTOR COMPANY

ISB-2001016

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Parts table : Preheating time relay and Glow plug

Model : Musso, Korando, Rexton

Relay-preheating time

Number of cylinder

Part number Period Interchangeability Supplier

007 545 98 32 19930701~19950105 - MB AG / ITTA-E661 545 30 32 19950105~19991101 Y

661 545 32 32 19991101~20000330 O

661 545 34 32 20000330~ O

007 545 99 32 19930701~19950105 - MB AG / ITTA-E

662 545 30 32 19950105~19990801 YDongHwan

Industrial Co.,Ltd

662 545 33 32 19990602~20000330 O

662 545 35 32 20000330~20001108 O

662 545 36 32 20001108~ N

Plug-glow Part number Period Interchangeability Supplier

001 159 17 01 19930701~19940515 -

001 159 00 01 19940515~19960523 O

661 159 30 01 19960523~20001010 O

661 159 31 01 20001010~ O

Interchangeability symbols Y : The old and new parts are interchangeable.

O : The new part can be used for the old part but the reverse is not possible.

N : The old and new parts are not mutually interchangeable.

Beru AutomotiveCo.,Ltd

4-cylinder

5-cylinder

DaeSungElectric Co.,Ltd

DaeSungElectric Co.,Ltd