(From Oct. 2016 Production)...SPD ACC FR+ FR– TMUT 17A(∗9) 12B 13A 28A 2A(∗9) 11B(∗10)...

11/12/2020 Electrical Wiring Diagrams • System Circuit • Audio/visual/telematics • Audio System (From Oct. 2016 Production) • 2014 Lexus IS250 • …

https://www.motologic.com/car/2014_lexus_is250/article/2014_lexus_is250_aa94ff6cf19fb754f90000627aacfaa500?returnPath=%2Fcar%2F2014_le… 1/34

Electrical Wiring Diagrams • System Circuit • Audio/visual/telematics • Audio System(From Oct. 2016 Production)

Audio System (From Oct. 2016 Production), Back Guide Monitor System (From Oct. 2016 Production), LEXUS Navigation System (FromOct. 2016 Production)

( ) ( ) ( )P23 A , P24 B , P36 C( ) ( )BAT BAT Stereo Component Amplifier Assembly

30A 30AAMP NO. 2 AMP NO. 1

+B +B2 GND GND22 21 A 16 A 3 A 18 A

5 4D 4 4D

SB BE

BE SB

6 PQ1 12 PQ1

BR BR

PC

- 1 -




( ) ( ) ( )P23 A , P24 B , P36 CStereo Component Amplifier Assembly

RR+ RR– RL+ RL–15 A 30 A 14 A 29 A

PWLG BE

2 PQ1 8 PQ12 OP1 1 OP1

PBE

13 OQ1 12 OQ1

) ) ) ) ) ) ) )5 6 6 5 5 6 6 5P PW W∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗LG LG BE BE( ( ( ( ( ( ( (

3 1 3 1

+TW –TW +TW –TW

+ – + –

O5

Rea

r No.

2 S

peak

erAs

sem

bly

RH

O10

Rea

r No.

2 S

peak

erAs

sem

bly

LH

4 2 4 2

) ) ) )6 6 6 6∗ ∗ ∗ ∗( ( ( (LA–B

LA–B

LA–G

R

LA–G

R

1 2 1 2

O4 O9Rear Speaker Rear SpeakerAssembly RH Assembly LH

∗ 5 : 10 Speaker∗ 6 : 15 Speaker

- 2 -





SR+ SR– SL+ SL– WFR+ WFR– WFL+ WFL–11 A 26 A 10 A 25 A 5 A 20 A 4 A 19 A

) )6 6B V L B R B∗ ∗( (

3 PQ1 9 PQ11 PQ1 7 PQ1 8 NP1 7 NP1

) ) ) )6 6 6 6B V L B R BW ∗ ∗ ∗ ∗GR

( ( ( (8 NQ1 7 NQ1

R B

1 2 1 2

2 1 2 1N14 N29Front No. 1 Speaker Front No. 1 SpeakerAssembly RH Assembly LHP26 Q40

Rear Header Speaker Rear Header SpeakerAssembly RH Assembly LH

∗ 6 : 15 Speaker

- 3 -





WF1+ WF1– CTR+ CTR– FL+ FL–6 A 21 A 7 A 22 A 12 A 27 A

V PWGR

14 KP1 13 KP1 16 KP1 15 KP1

LGR

V PWGR

2 1 2 1

+ – + –

1 2

) )6 6P27 ∗ ∗( (

Rear No. 3Speaker Assembly

K57 K56Front No. 3 Front No. 2Speaker Assembly Speaker Assembly LH

- 4 -





SPD ACC FR+ FR– TMUT( ) ( )17 A ∗9 12 B 13 A 28 A 2 A ∗9( ) ( )11 B ∗10 24 B ∗10

BPBE

)

L 10BE ∗ 2 KP2(

B12 KP1 11 KP1

BE P( ) ( )∗1, ∗8 ∗1, ∗8

) )2 2P∗ ∗BE ( (

45 KP1

2 1

+ –) )8 8∗ ∗P) BE 1, 1,∗ ∗10 ( (BE ∗(

K55Front No. 2Speaker Assembly RH

B

( )P ∗1, ∗8

( )P ∗1, ∗8

( )BE ∗1, ∗8

( )BE ∗1, ∗8

( )BE ∗10

L

- 5 -





MO+ MO– SLDO MI+ MI– SLDI WUI MUTE5 C 6 C 7 C 2 C 3 C 4 C 8 C 1 B

) )

)) ) ) ) ) ) )9 9 9 9 9 9 9B B B B 10W∗ ∗ ∗ ∗ ∗ ∗ ∗ LG( ( ( ( ( ( ( ∗(Shie

lded

Shie

lded

( (

1 Pi1 2 Pi1 3 Pi1 4 Pi1 5 Pi1 6 Pi1 7 Pi1

) )

) ) ) ) ) ) )9 9 9 9 9 9 9B B B B W∗ ∗ ∗ ∗ ∗ ∗ ∗( ( ( ( ( ( (

Shie

lded

Shie

lded

( (

( )LG ∗10

( )W ∗9

( )Shielded( )∗9∗ 1 : w/ LEXUS ENFORM

∗ 2 : w/o Safety Connect w/o LEXUS ENFORM B∗ 8 : w/ Safety Connect

( )∗9∗ 9 : Except ∗10∗10 : LEXUS Display Audio System Type B

( )∗9

( )Shielded( )∗9

( )B ∗9

( )B ∗9

B B

( ) ( )P ∗1, ∗8 P ∗1, ∗8

( ) ( )P ∗1, ∗8 P ∗1, ∗8

( ) ( )BE ∗1, ∗8 BE ∗1, ∗8

( ) ( )BE ∗1, ∗8 BE ∗1, ∗8

( ) ( )BE ∗10 BE ∗10

L L

- 6 -





SLD R– R+ L– L+ SLD1 II1– II1+ TX+ TX–6 B 4 B 5 B 2 B 3 B 18 B 14 B 15 B 8 B 7 B

) )

) ) ) ) ) ) ) ) ) )

10 10 10 10 10 10 10 10 L 10 10G R B B GW W∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗( ( ( ( ( ( ( ( ( (Shie

lded

Shie

lded

( (

∗ 1 : w/ LEXUS ENFORM∗ 8 : w/ Safety Connect∗ 9 : Except ∗10∗10 : LEXUS Display Audio System Type

( )G ∗10

( )L ∗10

( )W ∗10

( )B ∗10

( )Shielded( )∗10

( )B ∗10

( )R ∗10

( )W ∗10

( )G ∗10

( )Shielded( )∗10

( ) ( )LG ∗10 LG ∗10

( ) ( )W ∗9 W ∗9

( ) ( )Shielded Shielded( ) ( )∗9 ∗9

B B( ) ( )∗9 ∗9

B B( ) ( )∗9 ∗9


( ) ( )B ∗9 B ∗9

( ) ( )B ∗9 B ∗9

B B

( ) ( )P ∗1, ∗8 P ∗1, ∗8

( ) ( )P ∗1, ∗8 P ∗1, ∗8

( ) ( )BE ∗1, ∗8 BE ∗1, ∗8

( ) ( )BE ∗1, ∗8 BE ∗1, ∗8

( ) ( )BE ∗10 BE ∗10

L L

- 7 -




( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )K58 H , K59 I , K60 J , K70 A , K71 B , K72 C , K74 E , K75 F ,( ) ( ) ( ) ( ) ( ) ( ) ( ) ( )K120 G , K122 N , K125 L , K127 K , K133 M , K135 P , K159 Q , i1 O

Radio Receiver Assembly

TX1+ TX1– RL+ RL– FL+ FL– FR+ FR– MUT18 C 7 C 2 B 6 B 2 A 6 A 1 A 5 A 16 C

) )

) ) ) ) ) ) ) ) ) ) )

10 L 10 10 10 B 10 10 B 10 10 10 10 10G R GW W LG∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗ ∗( ( ( ( ( ( ( ( ( ( (Shie

lded

Shie

lded

( (

4 KP2 3 KP2

11 KP2 12 KP2 13 KP2 7 KP2 8 KP2 5 KP2 6 KP2 9 KP2 10 KP2

( )G ∗10

)( )L ∗10

10LG ∗(

( )W ∗10

( )B ∗10

( )Shielded( )∗10

( )B ∗10

( )R ∗10

( )W ∗10

( )G ∗10

( )Shielded( )∗10

( )LG ∗10

( ) ( )W ∗9 W ∗9


B B( ) ( )∗9 ∗9

B B( ) ( )∗9 ∗9


( ) ( )B ∗9 B ∗9

( ) ( )B ∗9 B ∗9

B B

( ) ( )P ∗1, ∗8 P ∗1, ∗8

( ) ( )P ∗1, ∗8 P ∗1, ∗8

( ) ( )BE ∗1, ∗8 BE ∗1, ∗8

( ) ( )BE ∗1, ∗8 BE ∗1, ∗8

( ) ( )BE ∗10 BE ∗10

L L

- 8 -






WUO SLDO MO– MO+ SLDI MI– MI+1 O 7 O 6 O 5 O 4 O 3 O 2 O

) )

) ) ) ) ) ) )9 9 9 9 9 9 9B B B BW ∗ ∗ ∗ ∗ ∗ ∗ ∗( ( ( ( ( ( (

Shie

lded

Shie

lded

( (

( )W ∗9

( )Shielded( )∗9

B( )∗9

B( )∗9

( )Shielded( )∗9

( )B ∗9

( )B ∗9

B B

( ) ( )P ∗1, ∗8 P ∗1, ∗8

( ) ( )P ∗1, ∗8 P ∗1, ∗8

( ) ( )BE ∗1, ∗8 BE ∗1, ∗8

( ) ( )BE ∗1, ∗8 BE ∗1, ∗8

( ) ( )BE ∗10 BE ∗10

L L

- 9 -


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USBV USB USBV USB4 K 1 K 4 Q 1 Q

) ) ) ) ) ))

11 11 12 12 12 12∗ ∗ ∗ ∗ ∗ ∗

1 1 1 1 1 1B B BW W∗ ∗ ∗ ∗ ∗ ∗

3 3 3 3 3 3Shie

lded

∗ ∗ ∗ ( ∗ ∗ ∗( ( ( ( ( (

)) E(

4 B 1 B 5 E 1 E 2 E 6 E, K16

0) B USBV USB USBV USB– USB+ USBS(

, K12

8Te

lem

atic

s Tr

ansc

eive

r) (A( MUTE SPI– SPO– SPO+ SPI+

K66

DC

M

17 A 3 A 6 A 5 A 2 A

) ) ) )8 8 8 8∗ ∗ ∗ ∗B P P BE BE1, 1, 1, 1,∗ ∗ ∗ ∗( ( ( (

∗ 1 : w/ LEXUS ENFORM∗ 3 : w/ LEXUS Navigation System∗ 8 : w/ Safety Connect∗ 9 : Except ∗10∗10 : LEXUS Display Audio System Type∗11 : Before Oct. 2017 ProductionB∗12 : From Oct. 2017 Production

( )P ∗1, ∗8

( )P ∗1, ∗8

( )BE ∗1, ∗8

( )BE ∗1, ∗8

( ) ( )BE ∗10 BE ∗10

L L

- 10 -






USBG VOT+ VOT– VOR+ VOR–2 Q 3 Q 5 Q 7 Q 6 Q

)12 ∗

1W ∗3∗(

) ) ) ) ))

12 12 12 12 12∗ ∗ ∗ ∗ ∗

1 1 1 1 1R G BW∗ ∗ ∗ ∗ ∗

3 3 3 3 3Shie

lded

( ∗ ∗ ∗ ∗ ∗( ( ( ( (

)12 ∗

1W ∗3∗(

3 E 9 E 8 E 4 E 7 EUSBG VOR+ VOR– VOT+ VOT–

( ) ( ) ( )K66 A , K128 B , K160 E( )DCM Telematics Transceiver

( ) ( )BE ∗10 BE ∗10

L L

- 11 -






USBG VOT+ VOT– VOR+ VOR–2 K 3 K 5 K 7 K 6 K

) ( )Shielded

11∗ ( )∗1, ∗81W ∗3 ( )∗ W ∗1, ∗8(

( )B ∗1, ∗8

) ) ) )) ) ) ) ) 8 8 8) ∗ ∗ ∗11 11 11 11 11 BW∗ ∗ ∗ ∗ ∗ 1, 1, 1,∗ ∗ ∗1 1 1 1 1 ( ( (R G BW Shie

lded

∗ ∗ ∗ ∗ ∗ (

3 3 3 3 3Shie

lded

( ∗ ∗ ∗ ∗ ∗( ( ( ( (( )B ∗1, ∗8

( )W ∗1, ∗8

( )R ∗1, ∗8

)11 ( )∗ Shielded

1W ∗ ( )∗1, ∗83∗ )( ) ) ) )8 8 8 8∗ ∗ ∗ ∗B RW1, 1, 1, 1,∗ ∗ ∗ ∗( ( ( (Shie

lded

(

2 B 7 B 6 B 3 B 5 B 18 A 19 A 35 A 34 A 33 A 32 AUSBG VOR+ VOR– VOT+ VOT– MCO+ MCO– MCI– MCI+ MCVD SGND

CANP CANN15 A 16 A( ) ( ) ( )K66 A , K128 B , K160 E

( )DCM Telematics Transceiver

∗ 1 : w/ LEXUS ENFORM∗ 3 : w/ LEXUS Navigation System∗ 8 : w/ Safety Connect∗10 : LEXUS Display Audio System Type∗11 : Before Oct. 2017 Production∗12 : From Oct. 2017 Production

( )B ∗1, ∗8

( )LG ∗1, ∗8

( ) ( )BE ∗10 BE ∗10

L L

- 12 -






SGND MACC MIN+ MIN– SNS2 PKB SG VV+ VV–( )18 C 4 C 5 C 19 C 6 C 15 C 12 C 13 C 14 C ∗4( )28 H 29 H 27 H 48 H 49 H 55 H 13 I 6 I 14 I ∗3

( )Shielded

GR

( )∗1, ∗8

( )W ∗1, ∗8 )28 4B

P L( )B ∗1, ∗8

Shie

lded

(

) 15 4C

) ) ) )2 2 2 2B LR W∗ ∗ ∗ ∗( ( ( (

Shie

lded

GR

(

( )B ∗1, ∗8

( )W ∗1, ∗8 1

( )R ∗1, ∗8 8 A 9 AVV+ VV–

( )Shielded

A51

Park

ing

Brak

e Sw

itch

Asse

mbl

y

( )∗1, ∗816 KS2 13 KS2 14 KS2 15 KS2 10 KS1

( ) ( )K68 A , K121 BNo. 1 Stereo JackAdapter Assembly

) ) ) )

) 23 23 23 23 )∗ ∗ ∗ ∗ ) ) ) ) )

22 22 22 22 2221 21 21 21R B L ∗ ∗ ∗ ∗ ∗W∗ ∗ ∗ ∗ R B LW

21 21 21 21 21Shie

lded

( ∗ ∗ ∗ ∗ ∗20,

20,

20,

20,

Shie

lded

( ( ( ( ((∗ ∗ ∗ ∗( ( ( (

1 2 4 34 B 3 B 2 B 1 BMACC MCO+ MCO– SNS2MACC MCO+ MCO– SNS2

S20Microphone Telephone Microphone Assembly

) B(S4 M

ap L

ight

Asse

mbl

y

( ) ( )B ∗1, ∗8 B ∗1, ∗8

( ) ( )LG ∗1, ∗8 LG ∗1, ∗8

( ) ( )BE ∗10 BE ∗10

L L

- 13 -






( )+B2 ACC2 ∗4( )UGD1 US1+ US1– USV1 ADPG AGND VAL+ VAR+ VA– +B ACC ∗3 GND2

( )4 G 3 G 2 G 1 G 25 C 11 C 28 C 26 C 27 C 4 F 3 F 8 F ∗4( )4 M 3 M 2 M 1 M 16 I 5 I 8 I 7 I 15 I 12 J 11 J 7 J ∗3

)

# # # # P B R GW BE SB

Shie

lded

(

4 B 3 B 2 B 1 B 1 A 7 A 3 A 2 A 4 A 6 A 12 A 5 AUGD1 US1+ US1– USV1 ADPG AGND VAL+ VAR+ VA– +B ACC GND

( ) ( )K68 A , K121 BNo. 1 Stereo Jack Adapter Assembly

∗ 1 : w/ LEXUS ENFORM∗ 2 : w/o Safety Connect w/o LEXUS ENFORM∗ 3 : w/ LEXUS Navigation System∗ 4 : w/o LEXUS Navigation System∗ 8 : w/ Safety Connect∗10 : LEXUS Display Audio System Type∗20 : Before Sep. 2018 Production∗21 : From Sep. 2018 Production∗22 : USA∗23 : Except USA

# : There is no wire color information.

( ) ( )B ∗1, ∗8 B ∗1, ∗8

( ) ( )LG ∗1, ∗8 LG ∗1, ∗8

( ) ( )BE ∗10 BE ∗10

L L

- 14 -






GND1 SW1 SWG SW2( )7 A 21 C 23 C 22 C ∗4( )12 H 30 H 32 H 31 H ∗3

SDARS MainAntenna Antenna

L PBR

W–B

( )w/ SDARSBR BR( ) ( )K26 A , z4 F

Spiral Cable withSensor Sub–Assembly6 A 3 A 5 A

AU1 EAU AU2

11 F 8 F 10 F

WBR GR

VoiceSeek– MODE Return

OnSeek+ Hook

OffVolume+ HookSt

eerin

g Pa

d Sw

itch

LH

Stee

ring

Pad

Switc

h R

H

Volume– Voice

( )z4 FSteering Pad Switch Assembly

∗ 1 : w/ LEXUS ENFORM∗ 3 : w/ LEXUS Navigation System∗ 4 : w/o LEXUS Navigation System∗ 8 : w/ Safety Connect∗10 : LEXUS Display Audio System Type∗13 : w/ Back Guide Monitor System

( )Camera Built–in ECU Type

( ) ( )B ∗1, ∗8 B ∗1, ∗8

( ) ( )LG ∗1, ∗8 LG ∗1, ∗8

( ) ( )BE ∗10 BE ∗10

L L

KE KC

- 15 -






( ) ( ) ( )BAT BAT IGSub GPSAntenna Antenna

10A7. 5A 10A ECU–IG1ECU–ACC ECU–B NO. 1

2 2 2

( )∗3

ACCRelay

30 31 32

ACC BECU IG

) B(, K

2) A(LGCY GND1 CANL CANH CANP CANN

K1

Mai

n Bo

d

13 B 14 B 9 A 10 A4 11

16 4D 7 4B

) ) ) ) ) )

13 13G B 13 Y 13 P 13 B 13∗ ∗ ∗ ∗ ∗ ∗W–B

( ( ( ( ( (

3

D+

Cou

rtesy

E

Q49

Lugg

age

Com

partm

ent

Doo

r Loc

kAs

sem

bly

21

)13 ) )∗W–B

( 13 13Q56

No.

9Ju

nctio

n C

onne

ctor

∗ ∗W–B

W–B

( (3

( )B ∗13

) ( )P ∗13

13 ∗W–B

(

( ) ( )B ∗1, ∗8 B ∗1, ∗8

( ) ( )LG ∗1, ∗8 LG ∗1, ∗8

( )Y ∗13

( )B ∗13

( ) ( )BE ∗10 BE ∗10

L L

QB KC

- 16 -






( )K152 ANo. 12 CANJunction Connector

20 A 9 A 8 A 19 A

) ) ) )

B 13 P 13 L 13 B 13∗ ∗ ∗ ∗( ( ( (

57 KQ1 56 KQ1

∗ 1 : w/ LEXUS ENFORM∗ 8 : w/ Safety Connect∗10 : LEXUS Display Audio System Type∗13 : w/ Back Guide Monitor System ) )

( )Camera Built–in ECU Type L 13 B 13∗ ∗( (∗17 : 2GR–FSE∗18 : 8AR–FTS 10 B 21 B∗19 : 2GR–FKS ) B(

Q57

No.

13

Junc

tion

Con

nect

or

11 B 22 B

) )

13 B 13W ∗ ∗( (

6 QT2 7 QT2

) )

13 B 13W ∗ ∗( (

( ) ( )B ∗13 B ∗13

( ) ( )P ∗13 W ∗13

( ) ( )B ∗1, ∗8 B ∗1, ∗8

( ) ( )LG ∗1, ∗8 LG ∗1, ∗8

( ) ( )Y ∗13 Y ∗13

( ) ( )B ∗13 B ∗13

( ) ( )BE ∗10 BE ∗10

L L

- 17 -






( ) ( )BAT IG

7. 5A 10AECU– IG1 NO. 3ACC ( ) ( ) ( )K61 A , K126 C , K158 D

R Multi–Display Assembly3 AREV2 2

10 4C 18 KA1

GND113 A

)19RGR

∗(

)ACC 18Relay 7 AF2∗R

17,

∗8 (

)19R ∗(A

69N

o. 1

Junc

tion

Con

nect

or

20 4C 10

A66

)Diode ( )10 A ∗17) D((B Park/Neutral B(GR

( )12 C ∗18 W–B

Position Switch)Assembly ( )21 E ∗19, F

74

, F10

1

) )) A CE ( ((1 3

F70

No.

16

Junc

tion

Con

nect

orA

75N

o. 4

Junc

tion

Con

nect

orA

99N

o. 1

5Ju

nctio

n C

onne

ctor

( )7 B ∗17( )7 D ∗18( )19 E ∗192

R

) ) )

L 19 L 17 L 18∗ ∗ ∗( ( (

1

RL RB

10 AF1 40 FA1 4 AF2 R

F54

Park

/Neu

tral

Posi

tion

Switc

h As

sem

bly

2L

( )∗18

L( )∗17

L( )∗19

( ) ( )B ∗13 B ∗13

( ) ( )W ∗13 W ∗13

( ) ( )B ∗1, ∗8 B ∗1, ∗8

( ) ( )LG ∗1, ∗8 LG ∗1, ∗8

( ) ( )Y ∗13 Y ∗13

( ) ( )B ∗13 B ∗13

( ) ( )BE ∗10 BE ∗10

L L

KE

- 18 -






( )TX4+ TX4– ∗4( )TX3+ TX3– ∗3 GVIF VMTF

( )11 E 12 E 1 L 1 E ∗4( )45 H 46 H 1 N 10 H ∗3

G V B W

( )1 D ∗3( )7 A 19 A 1 C ∗4 11 A

TX+ TX– GVIF VMTI

CGND CA+ V+ V– ACC B21 A 10 A 8 A 9 A 24 A 12 A( ) ( ) ( )K61 A , K126 C , K158 D

Multi–Display Assembly)

V) ) ) ) BE

13 B 13 13 13R W∗ ∗ ∗ ∗( ( ( (Shie

lded

(

15 KQ1 14 KQ1 16 KQ1 17 KQ1

∗ 1 : w/ LEXUS ENFORM )

∗ 3 : w/ LEXUS Navigation System ) ) ) )

∗ 4 : w/o LEXUS Navigation System 13 B 13 13 13R W∗ ∗ ∗ ∗( ( ( (∗ 8 : w/ Safety Connect Shie

lded

(

∗10 : LEXUS Display Audio System Type∗13 : w/ Back Guide Monitor System

( )Camera Built–in ECU Type 4 QT2 1 QT2 2 QT2 3 QT2∗20 : Before Sep. 2018 Production∗21 : From Sep. 2018 Production

) ) ) )

L 13 B 13 13 13R W∗ ∗ ∗ ∗( ( ( (

V

BE5 B 6 B 3 B 2 BCGND CB+ CV+ CV–

CANL CANH1 B 4 B ( )T2 B

Rear TelevisionCamera Assembly

) )

B 13 13W∗ ∗( (

( )B ∗13

( )W ∗13

( ) ( )B ∗1, ∗8 B ∗1, ∗8

( ) ( )LG ∗1, ∗8 LG ∗1, ∗8

( ) ( )Y ∗13 Y ∗13

( ) ( )B ∗13 B ∗13

( ) ( )BE ∗10 BE ∗10

L L

- 19 -






CNL1 CNH1 CANL CANH SPD GVIF( ) ( )4 P 3 P 10 C 9 C ∗4 17 C ∗4 2 N( ) ( )4 H 3 H 2 H 1 H ∗3 56 H ∗3

( ) ( ) ( )K61 A , K126 C , K158 DMulti–Display Assembly ) )8 8 )∗ ∗ 3B B L B ∗BE BE1, 1, (∗ ∗( (

TX2– TX2+15 A 16 A

20 9

B K11

5N

o. 5

Jun

ctio

nC

onne

ctor

SB 19 8

( )15 A 4 A 12 A 1 A ∗20( )15 B 4 B 12 B 1 B ∗21

) ) ) )A B 8 8( ( ∗ ∗B LG1, 1,∗ ∗( (K15

2N

o. 1

2 C

ANJu

nctio

nC

onne

ctor

K16

9N

o. 1

5 C

ANJu

nctio

nC

onne

ctor

( )13 A 2 A 14 A 3 A ∗20( )13 B 2 B 14 B 3 B ∗21

) )3 3B R B ∗ ∗GR

( (

V V

BE BE

( )GR ∗3

( )B ∗3

( )B ∗3

R

B

( )B ∗1, ∗8

( )LG ∗1, ∗8 L

( ) ( )Y ∗13 Y ∗13

( ) ( )B ∗13 B ∗13

( ) ( )BE ∗10 BE ∗10

L L

- 20 -





( ) ( ) ( )Radio Receiver Assembly IG BAT BAT

10A 15A 7. 5AIG1 RADIO ECU–ACCNO. 3

ACC1 +B1 TX2+ TX2– IG 2 2 2( ) ( )3 A 4 A ∗4 18 P 19 P 1 C ∗4

52 4A 32 4A( ) ( )16 H 17 H ∗3 15 H ∗3

ACC

Rel

ay

) )4 4V B P P VW∗ ∗BE ( (

12 4B

BE

( )W ∗4

( )B ∗4

V( )∗3

BE

)

V 10BE BE ∗(

V

BE

( ) ( )GR ∗3 GR ∗3

( ) ( )B ∗3 B ∗3

( ) ( )B ∗3 B ∗3

R R

B B

L L

( ) ( )Y ∗13 Y ∗13

( ) ( )B ∗13 B ∗13

( )BE ∗10

L L

- 21 -




∗ 3 : w/ LEXUS Navigation System∗ 4 : w/o LEXUS Navigation System∗10 : LEXUS Display Audio System Type∗13 : w/ Back Guide Monitor System

( )Camera Built–in ECU Type

( )K78 ARemote Operation Switch

TX– TX+ +B ACC MO+ MO– GND( ) ( )11 A 10 A ∗4 1 A 2 A 5 A 4 A 15 A ∗3

( )14 A 4 A ∗4

) ) ) ) )4 4 3 3 3B V BW ∗ ∗ ∗ ∗ ∗BE GR

( ( ( ( ( W–B

( )W ∗4

( )B ∗4

V( )∗3

BE

W–B

( )GR ∗3

( )B ∗3

( ) ( )B ∗3 B ∗3

R R

B B

L L

( ) ( )Y ∗13 Y ∗13

( ) ( )B ∗13 B ∗13

L L

KC

- 22 -




( ) ( ) ( )K29 A A100 B , A105 CSteering Sensor Brake Actuator Assembly

CANH CANL CANL CANH SP1( )3 A 2 A 10 B 22 B 14 B ∗14( )10 C 22 C 14 C ∗15

∗ 3 : w/ LEXUS Navigation System∗13 : w/ Back Guide Monitor System B VSB

( )Camera Built–in ECU Type∗14 : Before May 2017 Production∗15 : From May 2017 Production 22 KA2 10 KA2

) )

P 13 B 13 B SB∗ ∗( (

9 19 20 10

K11

0N

o. 2

CAN

Junc

tion

Con

nect

or

11 1 2 12

) )

B L Y 13 B 13∗ ∗( (

11 1

K10

9N

o. 1

CAN

Junc

tion

Con

nect

or

12 2

B LG

LG

B

( ) ( )B ∗3 B ∗3

R R

B B

L L

( )Y ∗13

( )B ∗13

V

L L

- 23 -




( ) ( )IG BAT

10A7. 5A MPX–BMETER NO. 1

2 230 4B 32 4C

53 4A 1

LG LG

B

LG

( ) ( ) ( )K3 A , K4 B , K123 CCombination Meter Assembly 21 A 22 A

IG+ B

5V ICDisplay Driver

5V+B

CPU

CAN I/F

CANH CANL GVIF MSCH MSCL ES SI +S29 A 30 A 1 C 10 B 9 B 31 A 20 A 19 A

) 3B B R B V L∗LG BR(

LG 3 KA1

B

V L LBR

39 KP1( )B ∗3

R

L

B

L

V

L

KC

- 24 -




A51 A66 A69Black Gray White

1 2 31

90980-1107190980-10871

1 2 3 4 5 6 7 8 9 10 11

12 13 14 15 16 17 18 19 20 21 22

90980-12372

A75 A99Gray Black

1 2 3 4 5 61 2 3 4 5 6

7 8 9 10 11 127 8 9 10 11 12

90980-1166190980-12737

A100Black

1 132 3 4 5 6 7 8 9 10 11 1214 15 16 17 18 19 20 21 22 23 24

25 3826 27 28 29 30 31 32 33 34 35 36 37

90980-12A95

A105 F54Black Gray

1 2 3 4

1 13 5 6 7 8 92 3 4 5 6 7 8 9 10 11 1214 15 16 17 18 19 20 21 22 23 24

382526 27 28 29 30 31 32 33 34 35 36 37

90980-12A23(2GR-FKS, 2GR-FSE, 4GR-FSE)

90980-12B01

- 25 -




F54 F70Black Blue

1 2 3 4

5 6 7 8 91 2 3 4 5 6 7 8 9 10 11

12 13 14 15 16 17 18 19 20 21 22

90980-12A23(8AR-FTS)

90980-12372

F74 F101Gray Black

1 2 3 4 5 61 2 3 4 5 6

7 8 9 10 11 127 8 9 10 11 12

90980-1166190980-12737

K1 K2White White

1 2 3 4 1 2 3 4 5 6

5 6 7 8 9 10 11 12 13 14 15 16 7 8 9 10 11 12 13 14 15 16 17 18

17 18 19 20 21 22 23 24 25 26 27 28 19 20 21 22 23 24 25 26 27 28 29 30

90980-12908 90980-12909

K3 K4 K26Black Black Black

1 2 3 4 5 6 71 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 72 3 4 5 6 8 9 10 11 12 13 14

21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 409 10 11 128 13

90980-1237090980-12557

90980-12767

- 26 -




K29 K55 K56 K57Black Black Black Black

1 2 3 4 1 2 1 2 1 25 6 7 8

90980-12808 90980-12808 90980-1280890980-12551

K58 K59 K60White White White

1 2 3 4 5 61 2 3 4 5 6 7 810 11 12 13 14 15 16 171 2 3 4 5 6 7 8 9 7 8 9 10 11 129 10 11 12 13 14 15 16

18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 5990980-12552

90980-12553

82824-50610

K61 K66Black White

1 2 3 4 5 6 7 8 9 10 11 121 2 3 4 5 6

13 14 15 16 17 18 19 20 21 22 23 24

7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 3890980-12554

90980-12817

K68 K70 K71 K72White White White White

1 2 3 4 1 2

5 6 7 8 9 10 3 4 5 61 2 3 4 5 6

1 2 3 4 5 6 7 8 9 10 11 12 13 147 8 9 10 11 12

15 16 17 18 19 20 21 22 23 24 25 26 27 2890980-10997 90980-10996

90980-12552

90980-12555

K74 K75 K78 K78White White White Black

1 2 3 4 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 81 2 3 4 5 6 7 8 9 105 6 7 8 9 10 11 12 13 14 15 16 9 10 11 12 13 14 15 1611 12 13 14 15 16 17 18 19 20

90980-1255190980-12460 90980-12553 90980-12553

(Before Aug. 2015 Production) (From Aug. 2015 Production)

- 27 -




K109White

1 2 3 4 5 6 7 8 9 10

11 12 13 14 15 16 17 18 19 20

90980-12A58

K110White

1 2 3 4 5 6 7 8 9 10

11 12 13 14 15 16 17 18 19 20

90980-12A58

K115 K120 K121Black Gray Gray

4 1 4 13 2 3 2

1 2 3 4 5 6 7 8 9 10 11

12 13 14 15 16 17 18 19 20 21 22

90980-12A52 90980-12A52

90980-12372

K122 K123 K125 K126 K127Green Blue Blue Blue White

1 2 3 41 111 2 5 6 7

90980-1295790980-12593 90980-12593

90980-1260290980-12A73

K128 K133 K135White Gray White

2 3 41

5 6 7 4 11 2 3 4 5 6 7 8 9 10 11 123 2

13 14 15 16 17 18 19 20 21 22 23 2490980-12602

90980-12A52 90980-12905

- 28 -




K152 K158 K159Black Blue White

2 3 411

5 6 7

90980-12C801 2 3 4 5 6 7 8 9 10 11

90980-1260212 13 14 15 16 17 18 19 20 21 22

90980-12372

K160 K169 N14White Black Black

3 4 5 11 2

27 8 96

1 2 3 4 5 6 7 8 9 10 11

90980-1093512 13 14 15 16 17 18 19 20 21 22

90980-12C66

90980-12372

N29 O4 O5 O9 O10Black Black White Black White

1 2 3 4 1 2 3 4

1 1 1

90980-12304 90980-123042 2 2

90980-10935 90980-10935 90980-10935

P23 P24 P26White White Black

1 2 3 4 5 6 7 8 9 10 11 12 13 14 152 1

1 2 3 4 5 6 7 8 9 10 11 1216 17 18 19 20 21 22 23 24 25 26 27 28 29 30

13 14 15 16 17 18 19 20 21 22 23 24

90980-1280790980-12979

90980-12554

P27 P36 Q40 Q49 Q56Black White Black Black Black

2 3 1 5 61 2 31 4 8 7 2 1 1 2 3 4

290980-12972 90980-10908 90980-11398

90980-1093590980-12807

- 29 -




Q57 S4White White

1 2 3 4 5 6 7 8 9 10

11 12 13 14 15 16 17 18 19 201 2 3 4 5 6 7 8 9 10 11

12 13 14 15 16 17 18 19 20 21 22

90980-12460

90980-12372

S20 T2 i1 z4White Black White Black

2 3 1 5 64 8 7 1 2 3 4 5 61 2 3 4 5

1 2 3 7 8 9 10 11 1290980-129724 5 6

90980-12366

90980-12559

90980-12A59

4A 4B

White White

1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8

15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 9 10 11 12 13 14 15 16 17 18 19 20

36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 21 22 23 24 25 26 27 28 29 30 31 32

90980-12A4890980-12943

4C 4D

White White

1 2 3 4 5 6 7 8 9 10 11 121 2 3 4 5 6 7 819 20 21 22 23 24 25 26 279 10 11 12 13 14 15 16 17 18 19 20

13 14 15 16 17 18 28 29 30 31 32 33 34 35 3621 22 23 24 25 26 27 28 29 30 31 32

90980-12A47 90980-12944

- 30 -




AF1

White

11 110 9 8 7 6 5 4 3 21 112 3 4 5 6 7 8 9 10 20 1219 18 17 16 15 14 13

12 2013 14 15 16 17 18 19

90980-1274090980-12741

AF2

Gray

10 9 2 18 7 6 5 4 31 2 9 103 4 5 6 7 8 18 17 12 1116 15 14 13

11 12 17 1813 14 15 16

90980-1273890980-12739

FA1

White

7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 221 2 3 4 5 623 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 739 40 41 42 43 44 6 5 4 3 2 145 46 47 48 49 50 51 52 53 54 55 56 57 58 59 6038 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23

44 43 42 41 40 3960 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45

90980-12501

90980-12514

KA1

White

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 6416 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 4190980-12774

90980-12798

- 31 -




KA2

White

14 113 12 11 10 9 8 7 6 5 4 3 21 142 3 4 5 6 7 8 9 10 11 12 1325 24 23 22 21 20 19 18 17 1626 1516 17 18 19 20 21 22 23 24 2515 26

90980-1277190980-12770

KP1

White

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 6416 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 4190980-12774

90980-12798

KP2

White

14 113 12 11 10 9 8 7 6 5 4 3 21 142 3 4 5 6 7 8 9 10 11 12 1325 24 23 22 21 20 19 18 17 1626 1516 17 18 19 20 21 22 23 24 2515 26

90980-1277190980-12770

KQ1

White

10 11 12 13 14 15 16 17 18 191 2 3 4 5 6 7 8 9

20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43

44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 6719 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20

67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 4490980-12783

90980-12800

- 32 -




KS1

White

14 113 12 11 10 9 8 7 6 5 4 3 21 142 3 4 5 6 7 8 9 10 11 12 1325 24 23 22 21 20 19 18 17 1626 1516 17 18 19 20 21 22 23 24 2515 26

90980-1277190980-12770

KS2

White

9 8 7 6 5 4 3 2 11 2 3 4 5 6 7 8 9

18 17 16 15 14 13 12 11 1010 11 12 13 14 15 16 17 18

82824-5307082824-53060

NP1

Yellow

12 11 10 9 8 7 6 5 4 3 2 1

30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 131 2 3 4 5 6 7 8 9 10 11 12

48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31

13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

90980-12A06

90980-12A09

NQ1

Yellow

12 11 10 9 8 7 6 5 4 3 2 1

30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 131 2 3 4 5 6 7 8 9 10 11 12

48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31

13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

90980-12A06

90980-12A09

- 33 -




OP1

White

13 12 11 2 110 9 8 7 6 5 4 3

1 2 11 12 133 4 5 6 7 8 9 10 22 21 20 19 18 17 1625 24 23 15 14

16 17 18 19 20 21 2214 15 23 24 25

90980-12801

90980-12802

OQ1

White

13 12 11 2 110 9 8 7 6 5 4 3

1 2 11 12 133 4 5 6 7 8 9 10 22 21 20 19 18 17 1625 24 23 15 14

16 17 18 19 20 21 2214 15 23 24 25

90980-12801

90980-12802

PQ1 Pi1

Black Gray

1 2 4 5 5 4 2 13 6 6 3

6 5 4 3 2 11 2 3 4 5 67 8 8 712 11 10 9 8 77 8 9 10 11 12

90980-1297190980-12970

90980-1273790980-12736

QT2

White

5 4 3 2 11 2 3 4 5

10 9 8 7 66 7 8 9 10

90980-12368

90980-12367

- 34 -

Portions of materials contained herein have been reprinted under license from Toyota Motor Sales, U.S.A., Inc., License Agreement TMS1004

(From Oct. 2016 Production)...SPD ACC FR+ FR– TMUT 17A(∗9) 12B 13A 28A 2A(∗9) 11B(∗10)...

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Transcript of (From Oct. 2016 Production)...SPD ACC FR+ FR– TMUT 17A(∗9) 12B 13A 28A 2A(∗9) 11B(∗10)...