1 lx 470 electrical wiring diagram - club lexus russia · i18 ignition sw a 6ig1 8ig2 1ig2 a l–b...

2001 LEX

US

LX 470 (E

WD

427U)

M

1 2 3 4

1 LX 470 ELECTRICAL WIRING DIAGRAM

7. 5AALT–S

245

140AALT

1O

3

80A AM

1 NO

. 1

1

2

20A AM1 N

O. 2

1E15

BBW–L

4

3

1

2

1F1

IG1 N

O. 1

RELAY

30A AM2

30A S

TARTE

R

1E10

1N

BATTERY

AM27

8

6

4AM1

ST2

IG2

IG1

ACC

2

IG12

IG11

3

4

2

1

1D14 1D9

EE Front left sideof fender apron

141E

1 A

B

1 ED1

1

A

A

6 IG1

J 8JUNCTIONCONNECTOR

F 7FUSIBLELINK BLOCK

6

SB

9

P

N

3 IO2

IO21

6 IG2

To Engine C

ontrolM

odule<2–4>

To Com

bination Meter

<30–3>

2B12

P 1PARK/NEUTRALPOSITION SW

10AIGN

2P55

3

4

C15CHARGE WARNINGLIGHT[COMB. METER]

2P51

10 2F2D19

1A12

3 1J

2 EE1

1 A

L A2

A

B

IG

S

B

2H1

15AGAUGE

2F9

1A3

10 1J

1M1

6 1J

1 EE1 3 EE1

To Daytim

e Running Light

Relay (M

ain )<4–3>

I18IGNITION SW

G 1 G 2,

GENERATOR

B A

S 1 S 2,

STARTER

A B

ChargingStartingPower Source

B–R

W–R

B–R L–B

B–R

B–W

B–RB–R

BB–RB

W–L

W–R

B

B–W

B–W

B–R

B–RB–R

B–W

L–BL–B

B–W

B–R B

W–L

B

R–L

SB

W–L

B

B–O

B–O

B–O

R–L

W–L

B–O

R–L

W–L

B

B–R

B–R

STARTERRELAY

1

1

11

1

2

D

D

B–O

D

J44JU

NC

TION

CO

NN

ECTO

R

To Suspension C

ontrolE

CU

<16–7>

B–O

2001 LEXUS LX 470 (EWD427U)

M OVERALL ELECTRICAL WIRING DIAGRAM

12

34

( Con

t. n

ext

page

)2

LX

470

140A

ALT

100A

J/B

NO

. 2

3

EFI or ECDRELAY

1N1

1

F 7

FUSI

BLE

LIN

KBL

OC

K

2

1EG

1

2G1

10A OBD

2D9

1D1

15A THROTTLE

1E10

30A AM2

20A EFI or ECD

1E15

20AAM1 NO. 2

80AAM1 NO. 1

1O1

2 143

21

EEFr

ont l

eft s

ide

of fe

nder

apr

on

1F1

IG1 NO. 1RELAY

24

13 1C7

1D13

5 1D13 1C14 1E

ACC

7IG

2

ST2

IG1

AM

26 4

2A

M1

1 IG1

IG12

B–R

W–R

I18

IGN

ITIO

N S

W

6IG

18

IG2

1IG

2

A

A

L–B

2IG

2

18ID

1

10

BC1

8

M5

4 2BC

120

ID1

ID1

19

98

BMLe

ft re

ar s

ide

quar

ter

pane

l

5

67

B–RF13

FUEL

PU

MP

B

A B

2H1

15A

GAU

GE

2P83

B B

15A

12B

C14

C15

,

MA

LFU

NC

TIO

NIN

DIC

ATO

RLA

MP

[CO

MB

. M

ETE

R]

AB

1E

5E

9IG

2

7E

2E

8

7D

From Park/NeutralPosition SW<1–3>

23D

L

4E

6E

1B

31A

21A

9A

EC

Rea

r ba

nk o

f rig

htcy

linde

r hea

d

16IW

1

12

21D

C

Po

we

r S

ou

rce

En

gin

e C

on

tro

l a

nd

En

gin

e I

mm

ob

ilis

er

Sy

ste

m

E 6

E 7

, EN

GIN

E C

ON

TRO

L M

OD

ULE

AB

E 8

, C

E 9

, D

B

BAT

TER

Y

B

B

B

B–W

B–R

W–R

Y–B

B–W

L–B

W–R

L–B

B–R

J 8

JUN

CTI

ON

CO

NN

ECTO

R

B–R

B–W

B–R

B–Y

B–Y

B–Y B–Y

B–R

B

G–R

G–WG–R

G–R

W–B

B

B

B

SB SB

IU35

W

WSB

G–R

G–W

Y–B

B–W

B–R

Y–B

W–B

W–B

W–B

W–B

L

W–B

W–B

W–B

B–Y

B–Y

B–W

B–Y

V 5

VSV(

Vap

or P

ress

ure

Sens

or)

B–R

B–R

B–W

F14

FUE

L PU

MP

CO

NTR

OL

ECU

J14

JUN

CTI

ON

CO

NN

ECTO

R

+BFP

–FP

+D

IFP

C

E

BATT

MR

EL+B

MN

SWST

A

WD

IFP

CE0

3E0

2E

01M

E01

TPC

B–W

G–R

21

F 8

FUEL

CO

NTR

OL

SW

, E1

0E

2001 LEX

US

LX 470 (E

WD

427U)

M

5 6 7 8

(Cont. next page)2 LX 470 (Cont’ d)

B–RB

–R

A

Engine Control and Engine Immobiliser System

B

C

A

B

F

E

* 1 : Shielded

5 B

B–R

B–W

4 IO2

2

1

I 9INJEC

TOR

NO

. 1

6 B

2

1

I10IN

JECTO

R N

O. 2

1 A

2

1

I11IN

JECTO

R N

O. 3

2 A

2

1

I12IN

JECTO

R N

O. 4

3 A

2

1

I13IN

JECTO

R N

O. 5

4 A

2

1

I14IN

JECTO

R N

O. 6

5 A

2

1

I15IN

JECTO

R N

O. 7

6 A

2

1

I16IN

JECTO

R N

O. 8

11 A 12 A 13 A 14 A 15 A 16 A 25 A 26 A 28 A 27 A 12 D 8 B

8 IG3

From AB

S &B

A & TR

AC &

VSC

ECU

<15–2>

13 D

B–W

B–RB–R

10 B

19 IN1

1 IW1

5

19 B

18 IN1

2 IW1

4

22 B

13 IN1

11 IW1

2

13

B–Y

15 IW1

22 D

1

2

IW15 6 IW1 5 IN1 7 IN1

2 B 18 B

3

21 B 9 B

2 1

4 3

13 B 20 B

2 3

1 4 1

2

14 B 8 E

E 2EN

GIN

E CO

OLA

NT

TEMP

. SENS

OR

16 E 14 E

IN117

B–Y B–Y

IG Set bolt of cowlside J/B LH

L–B

1

2

T11TR

ANSP

ON

DER

KEY

AM

PLIFIER

V 4VSV

(EVAP )

4 B7 B12 E13 E 12 B

1 32 3 4

2 4

3 B 11 B

1 3

2 4

H 7

HE

ATED O

XYGEN

SEN

SOR

(BAN

K 1 SEN

SO

R 1 )

H 9

HE

ATED O

XYGEN

SEN

SOR

(BAN

K 2 SEN

SO

R 1 )

C

D

1 5

B–R

W

B–R

B–R

B–R

B–R

B–R

B–R

B–R

Y B L R G R–L

B–R

B–W

B–R

B–R B–R B–R B–RB–R

B

To Ignition Coil and Igniters<3–2><3–3><3–4>

B–L

R L G Y B–Y

R

L–B

B–R

B–W

G–W

From Ignition C

oiland Igniters<

3–3>

From D

iode (Idle–Up )

<24–3>

R

BR–W

G–Y

L–Y

G–W

Y–B

L–BL–B

Y–B

G–W

L–YL–Y

G–W

Y–B

B–Y

V 1VAP

OR

PR

ESSU

RE S

ENS

OR

BR–W

M 1

MA

SS AIR

FLOW

ME

TER

BR–W

L–R

L–R

BR

–WBR

–W

L–R

L–R

B–YBR–W

BR–W

L–R

L–R

L–R

BR–WBR

–W

BR–W

BR–W

R–B

R–Y

Y–B

G–B

A13AC

CE

L POS

ITION

SENS

OR

T 4TH

RO

TTLE PO

SITION

SEN

SOR

IG27

B–YB–Y B–Y

2D12

B–Y B–Y B–Y

W–B

V–G

R–Y

B–Y

B–Y

BR

B–Y

L–BB–Y

B–Y

BR

R B(*1 )

Y W

(*1 )

B–Y

BR

B–Y

(*1)

(*1)

OX

#1 #2

HT

#3 #4 #5 #6 #7 #8 IGF2 IGF1 ELS ELS4 ELS3

OXR1HTRVTA2 THW +B1 +B CODE RXCK TXCT PRG HTL OXL1VTAVG EVG VPA2THA PTNK VC VPAE2

E2 VCC

PTNK

HT OX

+B E1 +B E1

IGT1 IGT2 IGT3 IGT4 IGT5 IGT6 IGT7 IGT8

From S

uspension Control

ECU

<16–2>

R

15 IG4

19 D

LL

4 IG4

28 D

YY

16 IG4

18 D

GG

5 IG4

27 D

RR

17 IG4

17 D

WW

TRC– TRC+ ENG– ENG+ NEO

From ABS &BA & TRAC &VSC ECU<15–4>

To ABS & BA &TRAC & VSCECU<15–4>

GB–YB–Y

E 6 E 7, ENGINE CONTROL MODULEA B E 8, C E 9, D , E10 E

12 IN1R



910

1112

2 L

X 4

70 (

Con

t’d)

A B C D E F

En

gin

e C

on

tro

l a

nd

En

gin

e I

mm

ob

ilis

er

Sy

ste

m

17B

A A

A

A

16B EB

38

B B

EB31

4

BRBR

BR

BR

3

24B EB

33

L

1

15B EB3

11

W W

43

23B EB3

9

R–B

1

B–Y

H10HEATED OXYGEN SENSOR(BANK 2 SENSOR 2)

A

15IN

1

E17

A

A

10D

4

5

D 8DATA LINKCONNECTOR 3

3125

B–Y

D 1DATA LINK CONNECTOR 1

2EC

1

1

18A

K 1KNOCK SENSOR 1

3EC

1

1

17A

K 2KNOCK SENSOR 2

AA

A

C 1CAMSHAFTPOSITION SENSOR

C 3CRANKSHAFTPOSITION SENSOR

A

G

J27

JUN

CTI

ON

CO

NN

EC

TOR

G

(*1)

(*1)

A

G2

B–W

19A

29A

7A

8A

4

30A

31

2

9E2D

21

B–R

10A

IGN

B–W

2B12

25D

From

Cen

ter

Airb

ag S

enso

rAs

sem

bly<

13–4

>W

–B

IW1B–Y B–Y

4

From Center ECU<31–8>

E11

D5

D4

22E

* 1

: Shi

elde

d

21E

20E

11D

E15

IFS

et b

olt o

f cow

lsi

de J

/B L

H

2B1

BR

BR

B

W

BR

BR

B–Y

2

EB35

B–Y

BRB

RB

–YB–

Y

BR

BR

2

BR

( *1)

( *1)

( *1)

( *1)

(*1)

(*1)

(*1)

(*1)

J28JUNCTIONCONNECTOR

H 8HEATED OXYGENSENSOR(BANK 1 SENSOR 2)

BRB

R

16

W–B

BR

BR

BR

BR

W–B

W–B

BR

B

(*1)

B

BR

BR

W

G–

(*1)

WB–R

NE

+

P–B

(*1)

(*1)

From

Sus

pens

ion

Con

trol E

CU

<16

–7>

B–W

B–R

R

B–R

B–W

T 3

THR

OTT

LE C

ON

TRO

L M

OTO

R

R–B

W

G

L

(*1)

G–R

G–W

V

B

To Unlock Warning SW<10–20>

To Combination Meter<30–4>


L–B

W–G

Y–B

Y–R

From Stop LightSW<8–4>

From

Cen

ter E

CU

<31

–6>

<31

–8>

CL+

M–

M+

GE0

1IM

LDKS

WSP

DC

L–TA

CH

ACT

A/C

THW

OEL

S2

STP

IGSW

E1O

XL2

HTL

2O

XR

2H

TR2

SIL

EO

MKN

KLK

NKR

IW1

17

AB +BE1

P–BP–B

11

TC

From

Inst

rum

ent E

CU

<10

–8>

P–B

P–B

From

Cen

ter A

irbag

Sen

sor A

ssem

bly<

13–4

>

OX

HT

OX

HT

+BE1

+BE1

AV–

W

CG

SGBA

T

BBB

(*1)

J27

JUN

CTI

ON

CO

NN

ECTO

RCC

B

B

CJ4

5JU

NC

TIO

NC

ON

NE

CTO

R

To Center ECU<31–8>

IJ15

BR

10IJ

1W–B

A

V–W

A

V–W

V–W

ECR

ear b

ank

of ri

ght

cylin

der h

ead

1 IJ1

B–W

BR

B–W

AV–

WA

From

Cen

ter A

irbag

Sen

sor A

ssem

bly

<13

–4>

From

Inst

rum

ent

EC

U<

10–8

>Fr

om A

BS

& B

A &

TRA

C &

VSC

EC

U<

15–5

>Fr

om S

uspe

nsio

nC

ontro

l EC

U<1

6–4>

10A

24A

23A

12

12

G

R

G

R

(*1)

(*1)

GJ21JUNCTIONCONNECTOR

AA


V–W

AB

–YB

–Y

E 9

C,

E 8

BA

ENG

INE

CO

NTR

OL

MO

DU

LE,

E 7

E 6

, D

, E

10E

W–B

L L

R–BR–B

3E

P–B

19E

W–R W–R

TCW

FSE

8IJ

1

7IJ

1

15 WFS

ETC13

NE

–

22A

16

From

Sus

pens

ion

Con

trol E

CU

<16

–7>

W

TS

A

A

A

J11

JUN

CTI

ON

CO

NN

ECTO

R

6IJ

1

7 SIL

V–W

V–W

J16

JUN

CTI

ON

CO

NN

ECTO

R

V–W

From

Mul

ti–D

ispl

ay<

29–3

>

P–B

BR

P–B

P–B

WW

From ABS & BA &TRAC & VSC ECU<15–7> 3

IW1

P–B

P–B

From

AB

S &

BA

& T

RA

C&

VS

C E

CU

<15

–7>

P–B

P–B

2001 LEX

US

LX 470 (E

WD

427U)

M

1 2 3 4

3 LX 470

1

BATTERY

30AAM2

1E10

2 IG1

7 IG2

ST2

AM2 6


I18IGNITION SW

I 8IGN

ITION

CO

ILAN

D IG

NITE

R N

O. 82 4

1 3

B–R

L–BW

–B

I 7IGN

ITION

CO

ILAN

D IG

NITE

R N

O. 72 4

1 3

B–R

B–L

W–B

I 6IGN

ITION

CO

ILAN

D IG

NITE

R N

O. 62 4

1 3

B–R

B–Y

W–B

I 5IGN

ITION

CO

ILAN

D IG

NITE

R N

O. 52 4

1 3

B–R YW

–B

I 4IGN

ITION

CO

ILAN

D IG

NITE

R N

O. 42 4

1 3

B–R GW

–B

I 3IGN

ITION

CO

ILAN

D IG

NITE

R N

O. 32 4

1 3

B–R LW

–B

I 2IGN

ITION

CO

ILAN

D IG

NITE

R N

O. 22 4

1 3

B–R RW

–B

I 1IGN

ITION

CO

ILAN

D IG

NITE

R N

O. 12 4

1 3

B–R BW

–B

IO22

2

1

N 1

NO

ISE FILTE

R(Ignition )

ED Rear bank ofleft cylinder head

IgnitionPower Source

B–R

B–R B–R B–R B–R B–R B–R

W–B W–B W–B W–B W–B W–B W–B

B–W

B–R

B–R

B–W

B–W

B–R

B–W

B–R

B–R

B–W

W–B

BRB–R

B–R

W–R

W–R

B

B–R

B–W

To Engine Control Module<2–7>

From Engine Control Module<2–6><2–7>

1N1



12

34

( Con

t. n

ext

page

)4

LX

470 100A J/B NO. 2

140A ALT

80AAM1 NO. 1

20AAM1 NO. 2

151E

EG1

11

IG1

43

12

B

B–R

1E14

11F

A

2

ACC

IG1

AM1

4

IG16

A

2H1

15A GAUGE

2D2

L–B

L–B

B

B–R

B

L–B

I18

IGN

ITIO

N S

W

J 8

JUN

CTI

ON

CO

NN

EC

TOR

IG1 NO. 1RELAY Fr

ont l

eft

side

of

fend

erap

ron

EE

2G1

15A ECU–B

2B2

2 1

2 1

101H

91H

21A

112F

52P

G–YSBSB

IH1

1

LFG

AA

112J

1IU

2

A A

TAIL

OFF

HIG

H

LOW

HEA

D

FLAS

H

HF

HU

ELT

H

LIGHTCONTROLSW

DIMMER SW

7

813

16

9IU

2

10IH

1

AA

118

1316

215

175

8IH

1

A

1915

I19INSTRUMENT ECU

2 IH1

32

51

15A FR FOG

BFG

HL

R–L

1710

OFF ON

A

He

ad

ligh

tP

ow

er

So

urc

e

J 7

JUN

CTI

ON

CO

NN

EC

TOR

C18

CO

MBI

NAT

ION

SW

D 9

DA

YTIM

E R

UN

NIN

G L

IGH

T R

ELA

Y( M

ain)


FOG

SW

R–B

A

W–B

R–Y

SB

SB

BB

B

B

B

R–L

L–W

R–Y

R–B

R–B

SB

To AutomaticLight ControlSensor<10–4>

R–W

R–W SB

W–B

B–O

R–Y

D

R–Y

R–B

A C

W–BSBB

E FW

–B

HI

EPK

BC

HG

–

HEA

D

BATTERY

B

IG+B

DR

LH

HR

Y

From Generator<1–3>

J 1

JUN

CTI

ON

CO

NN

EC

TOR

1J9

1H5

EAFr

ont r

ight

sid

e of

fend

er a

pron

F 2FRONT FOG LIGHT LH

F 3FRONT FOG LIGHT RH

R–B

R–B W–B

W–BR–B

B

R–L

R–L

11

FR FOG RELAY

G–Y

Fro

nt

Fo

g L

igh

t

13

21O1

2 1

From

Hea

dlig

htC

lean

er S

W[C

omb.

SW

]<

9–3> To Theft Deterrent

ECU<18–4>

R–B

A

SB

EBFr

ont

right

sid

eof

fend

erap

ron

W–B

W–B

W–B

A

9IH

1

SBR–B

SB

J 5

JUN

CTI

ON

CO

NN

ECTO

R

1E19

From Parking Brake SW<30–6>

R–W

2001 LEX

US

LX 470 (E

WD

427U)

M

5 6 7 8

4 LX 470 (Cont’ d)

F

E

B

SB

W–B

C 81L

41C

3 2E

2P7

4 D

HIG

H B

EAM

HE

AD

6 D

2 D

11 IG2

4 IU1

Set bolt ofcowl side J/B LH

IF

32P

12B

2E7 A

AA

CO

MBIN

ATIO

N M

ETER

DC

C16

C17

,


A

W–B

W–B

W–B

W–B

W–B SB

SB

R–Y

W–B

R–L

R–L

SBSB

W–B

W–B

R–B

SB

Headlight

19 1E

R–B

R–Y

1E8

DIMMERRELAY

3

4

1

2

HEADRELAY

13

4 2 10AH

EAD

(LH–LW

R)

10AH

EAD(R

H–LW

R)

20AH

EAD

(LH–U

PR

)

1E7 1J4 1J5 1J8 3 1C

12 IG1 11 IG1

1

2

H 4

HE

ADLIG

HT LH

(Low)

1

2

H 6

HEA

DLIG

HT R

H(Low

)

1

2

H 3

HEAD

LIGH

T LH(H

igh )

1

2

H 5

HEA

DLIG

HT R

H(H

igh )

1J1

1J9 1C10

20AH

EAD(R

H–U

PR)

1J7

D

EA Front right sideof fender apron

R–Y

W–B

SB

W–B

R–B

R–Y

R–B

W–B

W–B

W–B

W–B

W–B

W–B

R–Y

W–B

W–B

W–B

R–W

R–Y

R–Y

R–G

R–B

R–L

R–B

R–L

W–B

W–B

R–W

W–B

W–B

BR–L

R–L

1N1

EB Front right sideof fender apron

W–B

2 A 3 B 1 B

2 B4 B1 A5 A

3A

(USA )

(USA )

(USA)

D 2 D 3,

DAYTIME RUNNING LIGHTRELAY NO. 3

A B

E

E

SB

(USA

)




12

34

IG1

1

4AM

1IG

12

5 L

X 4

70

BATT

ER

Y

140A

ALT

1O1

80A AM1 NO. 120A AM1 NO. 2

1E15

1N1

15A HAZ–TRN

1C55

IG2

A C

A C

I18

IGN

ITIO

N S

W

1 4

7 8 5 6 2

F 7FUSIBLE LINK BLOCK

Fron

trig

ht s

ide

of fe

nder

apro

n

EA

W–B

1J9

1G5

1G7

1A4

34 BM

Left

rear

sid

equ

arte

r pan

el

A ACC

C2O9

2B11

13 2F

2P84


21

A A


A

34 A A BK

Fron

t sid

e un

der

the

front

pas

seng

er’

sse

at

3E5

3A9

3I83

FF

G–Y

8IW

1

4EA

2

EAFr

ont r

ight

sid

eof

fend

er a

pron

G–Y

35 2

LH

RH

LH RH

TUR

N

24II2

10II2 1

3

OFF ON

HAZ

ARD

2 A A

J20

JUN

CTI

ON

CO

NN

ECTO

R

A

IFSe

t bol

t of

cow

l sid

e J/

B LH

2P3

2B1

A

Po

we

r S

ou

rce

Tu

rn S

ign

al

an

d H

az

ard

Wa

rnin

g L

igh

t

W–B

J32

JUN

CTI

ON

CO

NN

ECTO

R

W–BW–B

W–B

SB

G–B

G–B

R10REAR TURN SIGNALLIGHT LH[REAR COMB. LIGHT LH]

F 4FRONT TURN SIGNALLIGHT LH

B–R

G–W

B

B

G–BG–B

L–B

G–B

G–B

G–B

L–B

B–R

G–W

G–W

B–R

R13REAR TURN SIGNALLIGHT RH[REAR COMB. LIGHT RH]

J 8

JUN

CTI

ON

CO

NN

EC

TOR

J 7

JUN

CTI

ON

CO

NN

EC

TOR

T12

TUR

N S

IGN

AL F

LASH

ER

J23

JUN

CTI

ON

CO

NN

ECTO

RSB

G–Y

G–Y

G–BWW–B

G–Y

G–Y

G–Y

SB

SB

G–Y

G–Y

W–B W–B

W–B

F 5FRONT TURN SIGNALLIGHT RH

J39

JUN

CTI

ON

CO

NN

ECTO

R

C17TURN SIGNAL INDICATORLIGHT[COMB. METER]

G–Y

W–B

SB

SB

SB

C18

TUR

N S

IGN

AL

SW[C

OM

B. S

W]

G–Y

G–B

G–Y

G–B

W

WW–B

W–B

W–B

SB

W–B

J 1

JUN

CTI

ON

CO

NN

ECTO

R

21

2 1

ACC

1E19

EBFr

ont r

ight

sid

eof

fend

er a

pron

TRTB

TLG

ND

S–H

Z

2IH

1W–B

12

12

12BF

3W–B

W–B

W–BW–B W–B

W–B

W–B3

A

AAJ1

1JU

NC

TIO

NC

ON

NE

CTO

R

W–B

3B

O3

1H3

1C114

IA1 B

1E

H1

BF314

T15TRAILER SOCKET

B

B

W–B

G–B

W–B

G–Y

B

B

8 42

65

20BF

3

G–Y

G–B

9B

O1

10

W–B

T23TOWING CONVERTER RELAY

B

3D

( *2)

18E

( *1)

11G

( *1)

22D

( *2)

C11

C24

,

HAZ

ARD

SW

[CEN

TER

EC

U]

DE

C26

, G

* 1

: w/ L

EXU

S N

avig

atio

n Sy

stem

* 2

: w/o

LE

XUS

Nav

igat

ion

Syst

em

3

G

3

G–W

9

From

TAI

LR

elay

<6–

2>

From

Sto

pLi

ght S

W<

8–3>

W–B

41

G–R

Tra

iler

To

win

g

2001 LEX

US

LX 470 (E

WD

427U)

M

1 2 3 4

6 LX 470

BATTERY

140A A

LT

F 7FU

SIBLE LIN

K BLO

CK

100AJ/B

NO

. 2

3

EG11

2G1

B

15ATAIL

1

2

3

5

2B8

IU411

C

C

9 C

18 A

LIGH

TC

ON

TRO

LSW

14

16C18COMBINATION SW

HEAD

H

TAIL

OFF

T EL

IFSet bolt ofcowl side J/B LH

2P3

2 IH1

A

A

SB

SBW

–B

Front rightside of fenderapron

1J9

1G4

1

2

1G8

1A7

2F2

1G9


1

2

2B3

R10

RE

AR TAILLIG

HT AN

DSID

E MA

RKE

R LIG

HT LH

[RE

AR C

OM

B. LIG

HT LH

]

3 BS1

1 BK1

BS18

A

A

4 BK1

2

1

2

1

A GG

GW

–BW

–B

ABF3

2 A

6 BT1

4 BT1

R12

TAILLIG

HT R

H[R

EAR C

OM

B. LIGH

T RH

]

6

3

R13

REAR

TAILLIGH

T AN

DSID

E M

ARK

ER LIG

HT R

H[R

EAR

CO

MB. LIG

HT R

H]

BKFront side under thefront passenger’ s seat

A

A

A

2 BO3

B

B

TAILRELAY

G–B

INSTR

UM

EN

T ECU C

AI19

I21,

B

SBS

BS

B



A

A

W–B

G G

G G

G

P 2PA

RKIN

G LIG

HT AN

DSID

E MA

RKE

R LIG

HT LH

P 3PAR

KIN

G LIG

HT A

ND

SIDE

MAR

KER

LIGH

T RH

W–B

W–B

W–B

L 1LIC

ENSE PLATE LIG

HT LH

W–B


G

W–B

G

L 2LIC

EN

SE PLATE LIG

HT R

H

G GG

GG

33


TAIL

TRY

W–B

W–B

W–B

2 2

W–B

R11

TAILLIGH

T LH[R

EAR

CO

MB. LIG

HT LH

]

W–B

G


GG

G

P ower S ource Taillight

CSB

To TheftDeterrentECU<18–4>

2O10

To Diode(Idle–Up)<24–2>

A

AJ39JUNCTIONCONNECTOR

1E19

EBW

–B

3

6

A

D

D

SB

SB

SB

(Canada )

J14JU

NC

TION

CO

NN

ECTO

R

(Canada )

(Canada )

(Canada)

20 A

2 D

, C17

C14

AD

TAIL IND

ICATO

R LIG

HT

[CO

MB

. METE

R]

To AutomaticLight ControlSensor<10–4>

BM Left rear sidequarter panel

W–BA

W–B

W–B

SBC

G

3 IU1

SB

(Canada )

To WirelessDoor LockECU<10–20>

G–B

IH14

G–W


3 BF3

G

A W–B

G

G–B

To Towing C

onverterR

elay<5–2>



12

34

( Con

t. n

ext

page

)7

LX

470 100A J/B NO. 2

140A ALT

1O

80AAM1 NO. 1

20AAM1 NO. 2

151E

EG1

11

IG1

43

12

B

BB

B–R

1E14

11F

A

2

ACC

IG1

AM1

4

IG16

A

2H1

15A

GAU

GE

2P83

BB

5IF

1

13IF

115

IF1

16IF

218

IF1

26

53

ETR

TCIL

L–

1

EEFr

ont l

eft s

ide

of fe

nder

apr

on

B

4

21

P 6POWER QUARTERWINDOW SW LH

21

P 7POWER QUARTERWINDOW SW RH

65

R 4REMOTE CONTROLMIRROR SW

2IF

1

A AEE

15A

20A

2B

6B

1A

CC

GG

2P48 39

2PA

D

IF11

D

COMBINATION METER

BAC14 C15,

D

D

1IQ

1

G 3GLOVE BOX LIGHT

12

A

2IQ

1

CC AA

1

EC

Rea

r ban

k of

righ

tcy

linde

r hea

d

EDB

IISe

t bol

t of c

owl

side

J/B

RH

3I33

8IX

1A

A

B SB

B

L–B

L–B

SB

SBS

B

B

B–R

B

L–B

SB SB R–L

G

G

G

G

W–R

W–R

W–R

W–R

B

W–G

W–B SB

SB

SB

SB

W–R SB

SBSB SB SB SB

SB

SB

G

SB G

SB

SB

SB

SB BR

SB

SBSB

SB

SB

W–B

SB

1

3

G

SB

J14

JUN

CTI

ON

CO

NN

EC

TOR

R 6

RH

EOS

TAT

J20

JUN

CTI

ON

CO

NN

ECTO

R

I18

IGN

ITIO

N S

W

J25

JUN

CTI

ON

CO

NN

EC

TOR

J15

JUN

CTI

ON

CO

NN

ECTO

R

J24

JUN

CTI

ON

CO

NN

ECTO

R

J23

JUN

CTI

ON

CO

NN

ECTO

R

2

J18

JUN

CTI

ON

CO

NN

EC

TOR


Illu

min

ati

on

Po

we

r S

ou

rce

J14

JUN

CTI

ON

CO

NN

ECTO

R

J 8

JUN

CTI

ON

CO

NN

EC

TOR

2IG

T

BATTERY

IG1 NO. 1RELAY

CB

C

IU3

10SB

2001 LEX

US

LX 470 (E

WD

427U)

M

5 6 7 8

7 LX 470 (Cont’ d)

A

2G1

15ATAIL

Illumination

1

6

E 5ELE

CTR

ON

ICA

LLY CO

NTR

OLLE

DTR

ANSM

ISSION

PATTER

N SE

LECT SW

9

4

O 3

A/T SHIFT LEV

ER ILLU

MIN

ATION

[O/D

MAIN

SW AN

D SH

IFT LO

CK

CO

NTR

OL E

CU

] 2

1

D 7

DAM

PING

MO

DE SELEC

T SWAN

D H

EIG

HT C

ON

TRO

L SW

2

1

S 3

SEAT H

EATER

SW(D

river’s S

eat ) 2

1S 4SEA

T HEATE

R SW

(Front Passenger’

s Seat )

1

2

3

5

2O102B3 2B8

BB

SB

SB

G

GG

W–G W–G

G G G G GW

–G

W–G

W–G

W–G

W–G

TAILRELAY

B

D

E

1

2

C13

CIG

ARETTE LIG

HTER

ILLUM

INATIO

N

12

2

R34

RAD

IO AN

D P

LAYER

2

1

A30ASH

TRAY

ILLUM

INA

TION

IU13

IK15

IU12

IK11

A

A

IF Set bolt of cowlside J/B LH

2B12P3

GNDILL–

W–G

G

SB

G

G G

SB

W–B

W–G

G G G G

W–G

W–G

W–G

W–G

W–B

W–G

ILL+

A

A

2 BF3

A

A

2 BO3

B

B

10 A

5 C

ILL+2

ILL+1

8

11




A33 A35,

A/C AMPLIFIER

A C

See Taillight System

<6–1>

GG

GG

GG

G

See Rear Air C

onditioningSystem

<32–7>

R 8REAR A/CCONTROL SW

G

W–G

* 1 : w/ LEXUS Navigation System* 2 : w/o LEXUS Navigation System

(*1 )

(*1 )

M 8

MU

LTI–DISPLA

Y

ILL–DR

8

3 7

ILL+

B(*1 )

G

10 D (*2)

9 E (*1)

11 G (*1)

22 D (*2)

20 E

11 D

10 G

(*1 )B

TC

CEN

TER EC

U

ED

C11

C24

, G

C26

,

G


CB B

ILL+

2 G

19 D

G

W–G



12

34

8 L

X 4

70

140A ALT

100A J/B NO. 2

80A AM1 NO. 120A AM1 NO. 2

43

12

1E15

1E14

1F1

1IG

1

EG1

1

2

ACC

IG1

AM1

4

EEFr

ont l

eft s

ide

of fe

nder

apr

on

IG16

AA



IG1 NO. 1 RELAY

BATTERY

2H1

15A

GA

UG

E

2D2 1

IN1

IN1

20

10BF

3

I18

IGN

ITIO

N S

W

P 1

BAC

K–U

PLI

GH

T S

W[P

ARK

/NEU

TRAL

PO

SITI

ON

SW

]

STOP

BACK–UP

214

R11REAR COMBINATIONLIGHT LH

STOP

BACK–UP

214

R12REAR COMBINATIONLIGHT RH

5BT

17

BT1

A

A

35

R13STOP LIGHT RH[REAR COMB. LIGHT RH]

35

R10STOP LIGHT LH[REAR COMB. LIGHT LH]

BO3

1

BBG

–W

G–W

B

B

BF3

7

BB

AA BKFr

ont s

ide

unde

r th

efro

nt p

asse

nger

’s

seat

BM

Left

rear

sid

equ

arte

r pan

el

AA

8B

S1

4B

K1

2B

K2

9B

S1ID

15

2 12B10

15A

STO

P

12G

B

A

B

B

Sto

p L

igh

tB

ac

k–

Up

Lig

ht

Po

we

r S

ou

rce

R–B

R–B

R–B

W–B

G–W

W–B

B

L–B L–B

B

B–R

BB

B–R B

R–B

R–B

R–LR–L

R–B

R–B

G–W

R–B

G–W

R–B

G–W

G–W

G–WG–W

G–W

G–WG–WG–W

G–W

G–WG–OB

W–B W–B

W–B

W–B W–B

W–B

L–B

S 5STOP LIGHT SW

J32

JUN

CTI

ON

CO

NN

ECTO

R

J39

JUN

CTI

ON

CO

NN

EC

TOR

J35

JUN

CTI

ON

CO

NN

EC

TOR

J37

JUN

CTI

ON

CO

NN

ECTO

R

W–B

G–W2O

12

2P21

SB G–W

To In

stru

men

tEC

U<

10–8

>

23

1O1

12

To Remote Control MirrorECU<22–4>

R–B R–B

CCC

C

G–W

C

G–W

G–W

G–W To Shift Lock ControlECU[O/D Main SW]<12–2>

To Suspension ControlECU<16–7>

To Engine ControlModule<2–11>J4

3JU

NC

TIO

NC

ON

NEC

TOR

2J10

G–W

To A

BS &

BA

&TR

AC

& V

SCEC

U<

15–4

>

2

3

R

12ID

1

12

H16HIGH MOUNTEDSTOP LIGHT

To ABS & BA & TRAC & VSC ECU<15–5>

A

4BT

1W–BW

–B

BF38

G–W

4BF

3 R–B

R–B

B

* 1

: w/ L

EXU

S N

avig

atio

n Sy

stem

J36

JUN

CTI

ON

CO

NN

EC

TOR

A

R–B(*1)

To NavigationECU<29–2>

W–B

To Towing ConverterRelay<5–2>

2001 LEX

US

LX 470 (E

WD

427U)

M

1 2 3 4

4

3

AM1 IG1

ACC

2

9 LX 470

BATTERY

140A ALT

100AJ/B

NO

. 2

1 EG1

2G1

20A ECU

–B1

10A DO

ME

1D10 2A8

20A H

EAD

CLN

ER

1K4

20A AM1 N

O. 2

1E15

80AAM1 NO. 1

1O1

4

3

1

2

IG1 N

O. 1

RELAY

1F1

1E14

EEFront left sideof fender apron

1 IG1

B

A

A

6 IG1

2F14

25AWIPER

2H1

5 4

M

2

1

321

1K71K10

1A1 1E19

1K6

EBFront right sideof fender apron

B

3 EA2

3A8

3I30

L–RL–R

15

3

IH114

15 IH1

10 IU2

2

1


2A7

2D22

15ACIGAR

2B9

A

A

1 2B

Power Source Headlight C leaner G arage DoorO pener

C lock

B


B

L–B

B

B

B–R

WL–Y

G–R

B–R

I18IGNITION SW

L–B

B

B

L–B J 8JUNCTIONCONNECTOR

L

L–B

W

W

L–Y

G–R

B

LL

W–B

W–L

W–B

W–B

H 2

HEAD

LIGH

T CLEA

NER

MO

TOR

H 1

HEAD

LIGH

T CLEA

NER

CO

NTR

OL R

ELAY

R–W

SBL–R

L–Y

SB

B

W–B

SB

R–B

W–B

W–B

W–B

To Instrument E

CU

<4–4>


GR

G–R

C21

HEA

DLIG

HT C

LEAN

ER

SW[C

OM

B. S

W]

B

G 4GARAGEDOOROPENER

HPB

IG MTR E

2

3

2

1

1J9

Front right sideof fender apron

EA

W–B

ACC +B

GND

1N1

20 IW1

B

1

1 G13 G

C11 C24,

CLOCK[CENTER ECU]

D E C26, G

2 D

1 E

12 D (*2)

11 E (*1)

GR

GR

G–R

G–R

11 G (*1)

22 D (*2)


ACC +B



12

34

( Con

t. n

ext

page

)10

LX

470

A FED

1C

18A

9C

From HEAD Relay<4–4>

CC

IG

6IM

12

IM1

8IM

17

IM1

C

IF2P3

LIGHTCONTROL SW

ELT

HA

HEA

D

AUTO

Set b

olt o

f cow

lsi

de J

/B L

H

OFF

TAIL

2IH

1

AA

B

1612

3

17

52

3IM

1

3IH

1

6

12C

3C

2P19

2P28

2O1

2O15

2BS

23

BS2

4BK

23

BK2

A16

WAS

H

OFF INT

WR

+1R

C1R

ON

EW

WAS

H

17A

IH1

16

IH1

17

2C

AA

A

8IH

2

122

1013

292P 2F

4

140A ALT100A J/B NO. 2

1E15

20A AM1 NO. 2 80A AM1 NO. 1

1O1

43

121F1

EE

3

2

ACC

IG1

AAM

14

B

1E14

A

A

1EG

1

IG1

IG1

16

22D

15A GAUGE

25A WIPER

14

1

2O13

2F14

1B

S2

5B

K2

11A 1H

2

32

M

71H 1C

9

34

26

M

2H1

3

2–+1

+S

Mu

ltip

lex

Co

mm

un

ica

tio

n S

ys

tem

Po

we

r S

ou

rce

W–B BG–RR–L

R–L

W–B

W

W–B

B

SB

SB

B

B

SB

SB

SB

SB

SB

SB

From TAIL Relay<6–2>

SB

R–L

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US

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2001 LEX

US

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2001 LEX

US

LX 470 (E

WD

427U)

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US

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WD

427U)

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OC

K

J 8

JUN

CTI

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CO

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8IG

NIT

ION

SW

A17

AU

TO A

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R

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RLO

CK

SO

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A31

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AN

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CO

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SD

WN

J30

JUN

CTI

ON

CO

NN

EC

TOR

L–BB

B–W

GR

W–B

B–R

L–B

B

B–R B

B

B–W

GR

B–W

GR

G–W G–W

GR

B–W L–W

W–B W–B

L–W

W–B

W–B

W–BW–B

W–B

B

W

R

(Shielded)

L–W

L–Y

B

W

R

(Shielded)

L–W

L–YB–R

L–Y

B–W

GR

L–YB

BATT

ER

Y

IGAC

CST

PFrom Stop Light SW<8–4>

KLS

+E

P1 P P2

SLS

+

SLS

–

ACC

IGB

AN

TFrom Radio and Player<28–4>

W–B

121 1O

1

1N1

A

W–B

W–B

AW

–BW

–B

J11

JUN

CTI

ON

CO

NN

ECTO

R

A

* 1

: w/ L

EXU

S N

avig

atio

n Sy

stem

* 2

: w/o

LE

XUS

Nav

igat

ion

Syst

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18D

17D

( *2)

19E

( *1)

7E

11G

22D

AUTO ANTENNA CONTROL SW[CENTER ECU]

EDC11 C24, GC26,

( *2)

( *1)

2001 LEX

US

LX 470 (E

WD

427U)

M

1 2 3 4

13 LX 470

100A J/B N

O. 2

140A A

LT

BATTERY

80A AM

1 NO

. 120A AM

1 NO

. 2

30A AM2

1E101E15

2 IG11 IG11 EG1

2

ACC

IG1

IG2

ST2

AM1

3

67 AM2

2B12

10AIGN

2C7

2B9

15ASRS

2C5

B

B

65

1 ID3 2 ID3

1 2

16 17

Y–G

Y–R

Y–G

Y–R

P20PRETENSIONER LH

1 IS1 2 IS1

1 2

8 7

Y–B Y

Y–B Y

P21PRETENSIONER RH

2C4

16 2B

2G1

15AECU–B

2P26

A

A

A

A

IG Set bolt of cowlside J/B LH

1 2C 2 2C

1 II1 2 II1

1 2

SPIRALCABLE

2 1

21

1 EF1 2 EF1

2 IB1 1 IB1

15 26111013

+SL –SLP–P+D–

142827

E2E1 D+

A29AIRBAG SQUIB(Steering Wheel Pad)

A28AIRBAG SQUIB(Front Passenger Airbag Assembly)

A15AIRBAG SENSORFRONT LH

2 1

2 IT1 1 IT1

9 20

+SR –SR

A16AIRBAG SENSORFRONT RH

2C3 2C10

2D152B13

ACC

19 3

7

8

12

To Data LinkConnector 1, 3<2–11><2–12>

C 6CENTER AIRBAGSENSOR ASSEMBLY




C16SRS WARNINGLIGHT[COMB. METER]


I18IGNITION SW

SRSPower Source

B

B–R

B B

SB

B

W–R

B–RB

W–R

B–RB

BBB

B–R

GR

V–W

SBSB

SB

SB

B–Y

P–B

BR–W

B–W

BR

W–R

YY–BY–B Y Y–R

Y–G

W–B

W–B

W–R

BR

B–W

BR–W

W–R

BR

B–W

BR

–W

P–B

B–Y

V–W

To Data LinkConnector 3<2–10>

LATC

IG2 PL+ PL– PR+ PR– SIL

2

3 2 1

1

1O1 1N1

2 EA1 1 EA1

502P



12

34

Po

we

r S

ou

rce

Cru

ise

Co

ntr

ol

Ele

ctr

on

ica

lly C

on

tro

lled

Tra

ns

mis

sio

na

nd

A/T

In

dic

ato

r

( Con

t. n

ext

page

)14

LX

470

BATT

ER

Y

2

140A ALT

11N1

1O1

80AAM1 NO. 1

20AAM1 NO. 2

30A AM2

20A EFI or ECD

15A THROTTLE

1E15

1E10

1D19

IG2

2IG

11

IG1

7

ACC

IG2

ST2

IG1

AM2

6 42

AM1

L–B

A IG1

6

1E14

L–B

A

43

21

EEFr

ont l

eft s

ide

of fe

nder

apr

on

1F1

24

13 1C7

1D5

13 1C

See Engine ControlSystem<2–2>

1IG

2

1E

7E

8E

7IG

2

16E

RE

S/AC

C

SET/

CO

AST

1IH

2

CAN

CE

L

CRUISE

6IX

1

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2P49

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ear b

ank

of ri

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cylin

der h

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4

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8EB

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2

8

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2

7

9C

3EB

2

2

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6EB

2

6

1B

9A

21A

31A

17B

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ear b

ank

of ri

ght

cylin

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9E2D

21

10A IGN

2B12

A B

2H1

15A GAUGE

2D2

2P83

19

1IN

1

A29

A7

A8

A30

A2

B21

B9

B13

B20

B14

B7

D2

E15

E5

D5

E17

E10

D

F 7FUSIBLE LINKBLOCK

B

IG1 NO. 1RELAY

EFI or ECDRELAY

B

B

B

B–Y

Y–B

W–R

B–RB–R

W–R

Y–B

W–R

B–R

L–B

B–R

B–R

I18

IGN

ITIO

N S

W

J 8

JUN

CTI

ON

CO

NN

EC

TOR

Y–B

B–R

Y–B

B–R

R–L

SB

B–R

R–L

B

SB

See

Eng

ine

Con

trol S

yste

m<

2–4>

<2–

6><

2–7>

<2–

9><

2–10

><

2–11

>

B–YB–Y

B–Y

C20CRUISE CONTROL SW[COMB. SW]

B–Y

SB

SB

BR

BR

R

W

G

G–W

G–BG–B

G–W

G

W

R

W–B

W–B

W–B

W–B

BR

W–B W–B

BR

E 1

ELE

CTR

ON

ICAL

LY C

ON

TRO

LLE

DTR

ANSM

ISSI

ON

SO

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E 6

E 7

, EN

GIN

E C

ON

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L M

OD

ULE

AB

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, C

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, D

E10

, E

12

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T+SL

T–

W

B

Y

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+B1

+BC

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S1S2

SLSL

T+SL

T–E0

3M

E01

E01

E02

E1

BAT

T+B

MIG

SWC

L–C

L+M

–M

+G

E01

VC

VPA

VPA

2V

TAV

TA2

THW

STA

NSW

STP

SPD

MR

ELSI

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M

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ST1–

41

32

B–R

S 5STOP LIGHT SW

See

Sto

p Li

ght

Sys

tem

<8–

4>

R–G

R–G

B–R

AAA


B–R

2001 LEX

US

LX 470 (E

WD

427U)

M

5 6 7 8

Elec tronically Controlled Transmission and A/T Indicator

14 LX 470 (Cont’ d)

A

B

C11

5 EB2

2

1

5 C

10 EB2

V 3

VEH

ICLE S

PEED SEN

SO

R(Electronically C

ontrolled Transm

ission )

C10

2

1

4 C

O 1

O/D

DIR

EC

T CLU

TCH

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D SEN

SOR

2

1

C17

A 6A/T O

IL TEMP. SE

NSO

R

18 B 3 D 8 D

3 IU3

2 D

1 IU3

1 D

4 IU3

9 D

ODLPL4

From D

etection SW

(Transfer L Position )

<17–3>

26 D

14 IU316 IK1 17 IK1 15 IK1 11 IU1 9 IU3 7 IU3 12 IU3 2 IU3


13 C 7 C

CC

C

24 D 14 C 16 D 6 D

2 5

10

5 C

C

CE 5ELECTRONICALLYCONTROLLEDTRANSMISSIONPATTERN SELECT SW


3

IK111

SBSB

1 2 5 7 4 8

3

PL RL NL DL 2L LL

2 IX111 IX112 IX11 IX120 IN1

D

DE

EE

E

13 IU3

SB

17 B

SB

6 C

SB

5 C

SB

4 C

SB

3 C

L2DNRP

A/T P

O/D

OFF

ECT PW

R

A/T OIL TEM

P.

2nd STR

T

CR

UISE

15 A 16 B

1 A2 D15 B1 C20 D18 B20 C17 C


2P32B1

A

A

B

B

D

E

E

E 6 E 7, ENGINE CONTROL MODULEA B E 8, C E 9, D E10, E

GG R

R

R–B

R

L–WL–R

L–R

G–Y

BR

–W

BR

–W

R–L

G–Y

G G–B

SB

SB

SB

SB

R–B

SB


SBSB

SB

C14 C15,

COMBINATION METER

A B C16, C C17, D

R–B

R–B

G–R

G–Y

G G–B

SB

J19JU

NC

TION

CO

NN

EC

TOR

SB SB SB

SB

R–B

SB

SB

SB

J17JU

NC

TION

CO

NN

EC

TOR

SB

J19JU

NC

TION

CO

NN

EC

TOR

R–LP 1A/T INDICATOR LIGHT SW[PARK/NEUTRAL POSITION SW]

See Illumination S

ystem<

7–4>

J20JU

NC

TION

CO

NN

ECTO

R

To Detection SW(Transfer Neutral Position)<17–2>

SB

SB SB SB SB SB

W–B

SB

SB

SB

SB

SB

SB

W–B

SB

W–BW–B

W–B

L–W

L–W

L–W

L–R O Y Y–B

Y–G

SBSBSB

L–W

L–R

SBB

O 3O/D MAINSW

B–L

GG

J23JU

NC

TION

CO

NN

ECTO

R

SNWI PWR OILW SNWL PI TFN

SP2– SP2+ NCO– NCO+ OIL E2 R D 2 L

PWR

2nd

RB

15 D

ODMS

B B

C

C

3 IX1

C

4 IO1

G–W

G–W


G–W

SB

C

CCTo Instrument

ECU<10–6>

J19JU

NC

TION

CO

NN

ECTO

R

To ABS & BA & TRAC &VSC ECU<15–5>

G–W

5 IO110 IO1

L–W

L–R

9 IO1

Y

SB



12

34

15

LX 4

70( C

ont.

nex

t pa

ge)

VS

C

2 7

ACC

IG1

IG2

ST2

AM1

4 6AM

2

2IG

11

IG1

1E15

1E10

1F1

1E14

20A AM1 NO. 2 80A AM1 NO. 1

30A AM2

50A ABS NO. 1

40AABS NO, 2

34

21

43

21

2

140A ALT

1O1

1N1

A

6IG

1

1B10

1B12

1B5

1B2

31

64

2

1B14

1B1

EEFr

ont l

eft s

ide

of fe

nder

apr

on

1B8

1B11

1B4

1A

3D

22D

A

19A

29A

2D

2A

3B

2D

4A

B

10A IGN

2J8

2B12

15A ECU–IG

2J6

2D14

6B

I18

IGN

ITIO

N S

W

AA

BUZZER

2B

7A

7C

16D

10C

D8 9

C

D1 3

C

A8 2

C

A9 1

C

A2 12

C

A3 11

C

A4 5

C

A5 6

C

D6 1

B

A11 3

A

D9 4

B

A28 5

B

A18 8

B

21A

8C

27A

7B

D7 4

C

11C

1C

22C

10C

21C

16B

24B

22B

14B

7B

10B

14IG

412

IG4

2IG

413

IG4

1IG

4

3IK

24

IK2

2IK

25

IK2

1IK

2

31

52

G–W

W

R

G

Y

L

(*1)

B

V

Y

P

(*1)

B

V

Y

P

(*1)

B

V

Y

P

From Engine ControlModule<2–8>

VGS

GL1

GL2

GG

ND

From Stop Light SW<8–4>

B–W

B–W

L

P

W–L

B–W

B–W

J 8

JUN

CTI

ON

CO

NN

EC

TOR

B–R

W–R

L–B L–B

L–B

B

W–R

B–R

IG1 NO. 1RELAY

BATT

ER

Y


B

B

L–B W–L

P

P

ABS MTR1 RELAY

ABS MTR2 RELAY

ABS SOL RELAY

To Engine ControlModule<2–7>

L–R

Y–B

R

R

L–B

G–Y

G–Y

R

Y–B

R

R

1A

6B

2B

5A

1D

EB

Fron

t rig

ht s

ide

of fe

nder

apr

on

W–B

W–B

W–B

W–B

W–B

W–B

W–B

D31

ABS

DE

CEL

ERAT

ION

SE

NSO

R

V 8VSC WARNING BUZZER

B Y–G

B–R

Y

B–Y

LG

B–W

R–W

R–G

W

B–O

G

B

G–W

G–Y

R–Y

O

W

L

GR

B–R

L–B

BM

1B

M2

MTT

SFLH

SFLR

SFR

HS

FRR

SRLH

SRLR

SR

RH

SR

RR

SA1

SA2

SA3

STR

AST

PHM

T–M

T+P

L

LBL

BS

Y–G

L–B

MTT

SFLH

SFLR

SFR

HS

FRR

SRLH

SRLR

SR

RH

SR

RR

SA1

SA2

SA3

STR

AST

PHP

LM

T+M

T–SR

MR

1M

R2

R1+

R2+

IG2

IG1

BZG

SSVG

SG

L1G

L2G

GN

DST

PN

EO

ENG

+EN

G–

TRC

+TR

C–


* 1

: Shi

elde

d

L–B

B–R

1

11

22

2 1

R

L–R

GN

DPH

GP

LGG

ND

2G

ND

1

, A4

0A3

9A

B,

A41

C,

A42

DAB

S &

BA

& T

RAC

& V

SC E

CU

, A4

4A4

3A

B,

A45

C,

A46

DAB

S &

BA

& T

RAC

& V

SC A

CTU

ATO

R

Po

we

r S

ou

rce

14

23

12

2001 LEX

US

LX 470 (E

WD

427U)

M

7 8

15 LX 470 (Cont’ d) (Cont. next page)

A

B

C

D

E

F

G

H

B

Y–G

P–L

SB

SB

SB

SB

SB

W R B(*1 )

24 A 23 A 22 A 10 A4 B5 B3 B

16 IG3 19 IG4 8 IG4

To Data Link

Connector 3<

2–10>

From A/T Indicator SW

[Park/N

eutral Position SW

]<14–7>

From B

ack–Up Light S

W[Park/N

eutral Position

SW

]<8–2>

E2 PMC VCM

GYAW YAW2 VYS

21 IG4 22 IG4 11 IG4 10 IG4 9 IG4

YD

18 C 27 C 28 C 9 C 19 C

3 1 5 4

3 2 1

(*1 )

W–R

W W–L

L

(*1 )

W–R

W W–L

L

Y 1YAW RATE SENSOR

M 4MASTER CYLINDERPRESSURE SENSOR

25 C 24 C 3 C 8 C

R–Y

R–W

P–B

B–L

G–W

R–B

V–WV–W

G–W

R–B

To SuspensionC

ontrol EC

U<

16–4>

To Detection SW

(Center D

iff. Lock )<17–2>

From D

etection SW(Transfer L Position )<

17–3>

19 IW1 17 IG3 15 IG1 13 IG2 3 IG2 12 IG2 14 IW1

13 B 11 B 5 C 4 C 6 C 7 C 15 C1 B12 B

From P

arkingBrake SW

<30–6>

19 IU116 IU317 IU311 IU32 IU2

SBSBSBSB

P–B

W P–L

Y–G

L–W

L–B

L–R

B–RB–R

L–R

L–B

L–W

Y–G

P–B

R–W

R–W

25 A 16 A

4

2

15 A 14 A

2

1

13 A

B

J41JU

NC

TION

CO

NN

ECTO

R

A11

ABS

SPEE

D SEN

SOR

FRO

NT LH

A12

ABS

SPEE

D SEN

SOR

FRO

NT R

H

R G L P

(*1) (*1)

5 IA1 2 IA1

3 BF2 2 BF2

5 BI3 6 BI3

1 2

18 B 19 B

8 IA1 3 IA1

16 BF2 15 BF2

1 BI3 2 BI3

21

20 B 21 B

A36ABS SPEED SENSORREAR LH

A37ABS SPEED SENSORREAR RH

6 IA1 7 IA1

C

C

9 B

C

10 BF2

B

B

3 IG4

18 D 13 D 14 D 17 B

7 IG4 6 IG4 18 IG4

A

A

8 B

A

A

From Suspension

Control EC

U<

16–4>

To Com

bination Meter

<30–7>

31 A 6 A 14 C 23 C

EAFront right sideof fender apron

EB Front right sideof fender apron

1E19

1J9

8 IG1 14 IG1

From S

teering AngleSensor<

16–3>

B–R R

R–W

W–B

W–B

W G

W GW–B

W–B

W–B

R

R–W

B–R

W–B W–B

(*1 )

J41JU

NC

TION

CO

NN

ECTO

R

J41JU

NC

TION

CO

NN

ECTO

R

R G (*1 )

B W (*1 )

R G (*1 )

B W (*1 )

R G (*1 )

B W (*1 )

WBGR

BR

D/G P R MSS E2 PMC VCM YSS GYAW YAW VYS YD FLO FRO EXI EXI3 PKB TC TS WA BRL VSCW IND WT INFR

SS1–SS1+GND2GND1FSS FL+ FL– FR+ FR– RL+ RL– RR+ RR– RSS WAHC AHCO AHC1 GND4 GND3

* 1 : ShieldedVSC

65A

B

B

Y–G

W–R

B

J36JU

NC

TION

CO

NN

ECTO

R

, A40A39 A B , A41 C , A42 D ABS & BA & TRAC & VSC ECU

B BW

–L

W–B

W–B

(*1 )

15 B

20 IG4

16 IN1

Y–GY–G

Y–G

TFN

From D

etection SW(Transfer N

eutral Position )<

17–2>

To Data Link

Connector 1, 3

<2–11>

<2–12>



910

1112

15

LX 4

70 (

Con

t’d)

VS

C

A B C D E F G H

2A

8D

12C

13C

11C

14C

15A

17D

15A

GAU

GE

2P83

BB

CC

2H1

2J1

2P41

2P12

2P46

B Y–G

P–L

SB SB SB SB SB

J25

JUN

CTI

ON

CO

NN

ECTO

R

SB

P–L

SB

SB

SB

SB

SB

SB

SB

SB

SB

SB

B SB SB SB

J14

JUN

CTI

ON

CO

NN

ECTO

R

SBABS

BRAKE

VSC TRAC

SLIP

VSC OFF

ACTIVE TRAC

COMBINATION METER

CAC14 C16, DC17,

2J4

2P10

Y–G SB


MEMO



12

34

( Con

t. n

ext

page

)16

LX

470

140A ALT100A J/BNO. 2

To Detection SW(Center Diff. Lock)<17–2>

1O1

80AAM1 NO. 1

20AAM1 NO. 2

1E151

IG1 B–R

EG1

1

141EA

A2

ACC

IG1

IG1

6

AM1

4

I18

IGN

ITIO

N S

W

1F1

43

12

L–B

EEFr

ont l

eft s

ide

of fe

nder

apr

on

43

121D7

1D6

50A AHC

3B19

IISe

t bol

t of

cow

l sid

e J/

B R

H

12 M

2B1

IFSe

t bol

t of

cow

l sid

e J/

B L

H

AA2D10

J12

JUN

CTI

ON

CO

NN

ECTO

R

20A AHC–B

L–B

2G1

C

C

13A

5A

1C

IG3

11

2B7

20A AHC–IG

2H1

BBB

20II2

21II2

7II2

3A

16A

18

7

C22

CO

NTR

OL

VALV

E A

SSE

MB

LY

3BD

2

9BI

1

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12

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( Con

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ext

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2001 LEX

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R

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1 2

4 B2

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1 BQ1 2 BQ1

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L 3LUMBAR SUPPORT CONTROL SW(Driver’ s Seat)

LF LR

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10–5>

IFSet bolt of cowlside J/B LH

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2001 LEX

US

LX 470 (E

WD

427U)

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4

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P ower S ource Rear W indow Defogger and M irror Heater P ower Rear Q uarter W indow

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P 7POWER QUARTERWINDOW SW RH



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12

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EDC11 C24, GC26,

2001 LEX

US

LX 470 (E

WD

427U)

M

1 2 3 4

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3

AM1 IG1

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2

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7 BP1 8 BP1 8 BR1 7 BR1

10 BP1

3

2 1

3

1 2

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Power Source C igarette Lighter Seat Heater

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BATTERY

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S15SEAT HEATER(Front Passenger’ s Seat)

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1

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12

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R–Y R–Y R–Y

HSW

HSW

6

12

IP1

9

C6

G–W G–W G–W

NO

SR

NO

SR

7

3

IP1

18

C7

Y–B Y–B Y–B

CH

AG

CH

AG

3

5

IP1

4

C3

G–B G–B G–B

C+B

C+B

17

1

IP1

19

C17

G–R G–R G–R

OPT

OPT

Y–G

R

R–W

Y–G

R

R–W

T18

TELE

PHO

NE

MIC

RO

PH

ON

E

54

21

TAC

CM

IC+

MIC

–

J11

JUN

CTI

ON

CO

NN

ECTO

R


W–B

W–B W–B

B

W

ACC

MIC

+M

IC–

GN

D

16IZ

1

(*1) (*1)

IZ1

IZ1

IZ1

IZ1

IZ1

IZ1

IZ1

IZ1

IZ1

IZ1

IZ1

18IZ

1IZ

119

6IZ

1IZ

117


MEMO



12

34

28

LX 4

70

140A ALT

W

1O1E151

IG1

B

2

ACC

IG1

AM1

3

B

B

2B9

1N

2D22

1E17

21IV

3O

MU

TEB21

MU

TE O

18IV

3(Shielded)

ASG

D

B22

(Shielded)

16IV

3Y

L–B24

L–

Y

5IV

3BL+B

12

L+

B

17IV

3V

R–B

23

R– V

6IV

3P

R+B

11

R+ P

15IV

1L–Y

+BA7

+B2

IG1

13

RR

–

A10 10

BE1

12

5B

E1

3A

RR

+

11ARL–

2A

4B

14IV

1

14ID

1

10B

B1

12

Y Y Y W

1B

13IV

1

13ID

1

5B

B1

B B B R

1A

11D

4ARL+

3B

TMU

T

TELEPHONE TRANSCEIVERAND SPEAKER RELAY

BAT19 T20,

8AFR

–

1AFR

+

18IV

117

IV1

3IY

14

IY1

12

12

L

LG

L

LG

L

LG LG

L

LG

L

R20

REA

R D

OO

RS

PEA

KER

RH

R19

RE

AR D

OO

RSP

EAK

ER L

H

T17

TWEE

TER

RH

F10

FRO

NT

DO

OR

SPEA

KER

RH

9AFL–

2AFL

+

20IV

119

IV1

3IC

14

IC1

12

12

V

P

V

P

V

P P

V

P

V

T16

TWEE

TER

LH

F 9

FRO

NT

DO

OR

SPE

AKE

R L

H

S18

A,

S19

BST

ER

EO C

OM

PO

NE

NT

AMP

LIFI

ER

Ra

dio

an

d P

lay

er

Po

we

r S

ou

rce

B

L–Y

L–Y

B

B

B–R B–R B

B

R

W

R

W

I18

IGN

ITIO

N S

W


BATT

ER

Y

12 21

1

1

MU

TESP

I+AC

C

SP+

SP–

15A

CIG

AR

ANT+ B–R To Auto Antenna

Control Relay<12–4>13

A7

A

R34

A

RA

DIO

AN

D P

LAYE

R

1A

8A

18A

9A

19A

20ARADIO

A B

GR

( *3)

L–Y L–Y(*3)

1D1020A

ECU–B1

16A

3IR

1G–R G–R

+B2

* 1

: w/ 7

Spe

aker

* 2

: w/ 9

Spe

aker

* 3

: w/ L

EXU

S N

avig

atio

n Sy

stem

* 4

: w/o

LE

XUS

Nav

igat

ion

Syst

em

13B

SPD

V To CombinationMeter<30–4>

From

Nav

igat

ion

ECU

<29

–4>

To NavigationECU<29–3>

P

P

(*3)

(*4)

(*3)


(*4)

To Nav

igat

ion

EC

U<

29–4

>

From NavigationECU<29–3>

V(*3)

V(*3)

12IV

1

1IY

1

14B

Y–GY–G(*2) (*2) (*2)

Y–G

1B

11IV

1

2IY

1

(*1)

(*1)

(*2)Y–R

(*2)Y–R

(*2)Y–R

Y–R

Y–G

( *2)

( *2)

C30

CEN

TER

SPEA

KER

RH

(*2)L–R

(*2)L–Y

9B From Navigation

ECU<29–3>G–R(*3)

IC1

2

IV1

7

B2

L–Y(*2)(*2) (*2)

L–Y L–Y

8IV

1

1IC

1B15

(*2)L–R

(*2)L–R

(*2)L–R

L–R

L–Y

( *2)

( *2)

C29

CEN

TER

SPE

AKE

R L

H

Y–G(*2)

(*2)Y–R

MR

+M

R–

ML–

N–M

UM

L+

Y

4A

SPI–

DG

R

(*1)

(*1)

GR

( Con

t. n

ext

page

)

L–Y

GR

( *3)

L–Y(

*3)

22

11

R35

, B

(*3)

DT22,

GR(*3)

C

GR

GR

20AAM1 NO. 2

80AAM1 NO. 1

GR

2001 LEX

US

LX 470 (E

WD

427U)

M

5 6 7 8

28 LX 470 (Cont’ d)

A

B

D

17 B 4 B

8 IV2 19 IV2

A11

25 IV3

ACC

GR

20 B

ACCO

GR

GR

R34 A

RADIO AND PLAYER

GR

A20

E

BR

12 A

GND2

13 A

GND1

BLRear side under thefront passenger’ s seat

BR BR BR

BR

BR

14 A

WF1–

4 IV1

4 ID1

L–RL–R

L–R

3

5 A

WF1+

3 IV1

3 ID1

L–BL–B

L–B

1

15 A

WF2–

10 IV1

10 ID1

L–YL–Y

L–Y

4

6 A

WF2+

9 IV1

9 ID1

L–WL–W

L–W

2

W 5WOOFER(Speaker)

GR(*3)

L–Y(*3)

B10

TXM+

R–W

B9

TXM–

R–B

TXD– TXD+

PL(*3 ) (*3)

L(*3 )

P(*3 )

3 13

L(*3 )

P(*3 )

TXM+ TXM–

GR

S18 S19,

STEREO COMPONENT AMPLIFIER

A B

D32DVD AUTOMATIC CHANGER

R–W R

(Shielded )

7 8 9

SG SGD1 NTSC

SGND SG NTSC

2 B 7 B 1 B 6 B 4 B

L G R W

(Shielded )

W

L–Y

GR

6 16 5 15 14 11 10 1

(*3 )

(*3 )

CDL+ CDL– CDR+ CDR– SGND MUTE +B ACC

CDL+ CDL– CDR+ CDR– MUTE

A

A


2B1

20

W–B

W–B


GND

Radio and P layer* 4 : w/o LEXUS Navigation System* 3 : w/ LEXUS Navigation System

R35, B

19 IV3

R–W

20 IV3

R–B

(*3 )

(*3 )

5 B

TX+

18 B

TX–

A15

TX–

L–B

A5

TX+

P–B

(*3 )

(*3 )

10 A

TX1–

3 A

TX1+

5 C C6 C3

(*3 )

(*3 )

(*3 )

MU

LTI–DISP

LAY

CA

M 5

M 7

,

(*3 )

(*3 )

(*3 )

(*3 )

(*3 )

(*3 )

R–B(*4)

R–W(*4)

CGR

GR

22 IZ1



12

34

29

LX 4

70

1O1

2G1

1E15

2B2

20A

RA

DIO

1N1

1EG

1

2IG

143

AM1

2 1

20AAM1 NO. 2

80AAM1 NO. 1

15A ECU–B

B B

B

B

BATT

ER

Y

F 7

FUSI

BLE

LIN

KBL

OC

K

100A J/B NO. 2

140A ALT

23

1

1IG

1

2B4

2D14

2D22

2B9

15ACIGAR

AA

BB

15AECU–IG

L–B

L–B

B

B


I18

IGN

ITIO

N S

W

B–R B–R

4D

2D

1D

ACC

IG+B

1

GR

B–W

L–W

B–W

GR

L–W

2BR

14A

9A

18A

2B

25IV

315

IV1

13IG

1

6B

O3 R–B

L–Y

GR

L–Y

GR

R–BFrom Back–UpLight SW[Park/Neutral Position SW]<8–3>

L–Y

RE

V+B

AC

CR

17 1E9

IZ1LG LG

7BG

7B G

10

W W

3BB

3B B

24

R R

8B

SYN

C

8B

SYN

C

11

G G

1BVR

1B VR

23

L L

6BVG

6B VG

25

(Shielded) (Shielded)

10BTX

–

10B

TX1–L L

5BTX

+

5B

TX1+P P

20IV

29

IV2

(Shielded) (Shielded)

5A

SPD

ACC

10A

TX1–

3A

TX1+

14ATC


To Data Link Connector 1, 3<2–10>

11A

TX3– To Gateway ECU<10–3>

4A

TX3+ From Gateway ECU<10–3>

V

P–B

W

B

13A

PKB From Combination

Meter<30–6>R–W

6C

SGD

1

5CSG

3C

NTS

C

See Radio and Player<28–5><28–6>

6D

GN

D1 W–B

15A

MU

TEG–R

10A

AUI–V

To Stereo ComponentAmplifier<28–2>

1A

AUI+P

5A

SPD

V

11A

AUO

–V

2A

AUO

+P

17A

GN

D

IFSe

t bol

t of

cow

l sid

eJ/

B L

H

BK

Fron

t sid

e un

der

the

front

pas

seng

er’

sse

at

AA 2B1

W–B W–B W–B

W–B

J11

JUN

CTI

ON

CO

NN

EC

TOR

M 5

M 6

,

MU

LTI–

DIS

PLAY

AB

M 7

, C

M 8

, D

N 2

N 3

,

NAV

IGAT

ION

EC

U

AB

LE

XU

S N

av

iga

tio

n S

ys

tem

From Stereo ComponentAmplifier<28–1>


From FrontSpeaker LH<28–2>

To Front DoorSpeaker LH <28–1>

Po

we

r S

ou

rce

See Radio and Player<28–5><28–6>

IZ1

IZ1

IZ1

IZ1

IZ1


MEMO



12

34

O 2OIL PRESSURESENDER

( Con

t. n

ext

page

)30

LX

470

V

BR

V

BR

Y–B

BR

W

SB

SB

G–R

18

EC

Rea

r ban

k of

righ

tcy

linde

r hea

d

A19

A10

A16

( Shi

elde

d)

V

1IX1

18IX

18

C19

B6

From EngineControlModule<2–10>

See Electronically ControlledTransmission and A/T IndicatorSystem<14–7>

From CenterECU<31–8>

Y–G Y–G

Y–RY–R

E E IU3

19B

20D

1C

20C

2nd STRT

O/D OFF

ECT PWR

SEAT BELT

FUEL

OIL

VOLT

WATER TEMP.

FUEL

TACHOMETER

SPEEDOMETER


A A

17IX

1

1

W 2WATER TEMP. SENDER

5B

7A

8A

9A

2P62

2P77

2P76

2N11

2N6

2N7 6

BC1

1BC

15

BC1

21

3

2P56

20B

SB

A

A

16IX

1

9E

B1

7IX

1

10E

B1

1IN

1

12

3

IGSe

t bol

t of

cow

l sid

e J/

B L

H

F13

FUE

L SE

ND

ER

2B

18C

15A

SB Y–B

SB

SB

SB

A B C

BATT

ER

Y

EEFr

ont l

eft s

ide

of fe

nder

apr

on

140A

ALT

100A

J/B

NO

. 2

1


1O

80A AM1 NO. 120A AM1 NO. 2

43

12

1F1

1E14

1E15

EG1

1

2G1

15A ECU–B

20A ECU–B1

262P

1D10

1N1

30A AM2

1E10

2

ACC

IG1

IG2

AM1

4 67

AM2

2IG

1IG

11

6IG

1

A

A

J 8

JUN

CTI

ON

CO

NN

ECTO

R

B

SB

2P83

2D2

2H1

15A GAUGE

B

15IU

3

From

Par

k/N

eutra

lP

ositi

on S

W<1

–3>

See IlluminationSystem<7–3><7–4>

V 2

VEH

ICLE

SP

EED

SEN

SO

R( C

ombi

natio

n M

eter

)

Po

we

r S

ou

rce

Co

mb

ina

tio

n M

ete

r

B

BRBR

R–G R–G

R–L

SB

SB

SB

B

R–L

L–B

B

B–R

B

B

IG1 NO. 1RELAY


L–B

W–R

B–R

B

B–R

SB

L–B

W–R

SB

I18

IGN

ITIO

N S

W

L–B

BSB

R–L

B

B–R

SB

SBB–R

B–R SB


SB

B–R

C14

C15

,

CO

MBI

NAT

ION

MET

ER

AB

C16

, C

C17

, D

ST2

1

1

3

2

2

7B

See Key Reminder andSeat Belt Warning System<25–2><25–3>

6IU

3B SBFrom EngineControl Module<2–11>

1A

11E

B1

R–L

20IW

1

9IU

4 G–RG–R

SB

J18

JUN

CTI

ON

CO

NN

ECTO

R

V From Tilt andTelescopicECU<21–4>

V FromMulti–Display<29–3>

VV

* 1

: w/ L

EXU

S N

avig

atio

n Sy

stem

SB SB

(*1)

3E11

3I5

SB

V

VFrom StereoComponentAmplifier<28–1>

FromNavigationECU<29–3>

( *1)

E

2001 LEX

US

LX 470 (E

WD

427U)

M

5 6 7 8

30 LX 470 (Cont’ d)

17 CB1817 DB3D1

C

D

J26JU

NC

TION

CO

NN

EC

TOR

J 6JU

NC

TION

CO

NN

EC

TOR

N

HEAD

(*3 )TA

IL (*2 )

3 DD5 4 D

12 2B

10A IGN

55 2P

B4D16D13D14D15A20

C

D

A14C3C4C5C6B17B16B15

Combination M e ter

C

B

A

CH

ARG

E

P R N D 2 L

DO

OR

A/T P

HIG

H BE

AM

TUR

N R

H

TUR

N LH

BRA

KE

A/T OIL TE

MP.

CR

UISE

2 D


2P3

A

A

18 D

1

2N15

2P6

E

E

SB

SB

B–R

SB

See Headlight System

<4–8>

SB

See Electronically Controlled Transmission andA/T Indicator System<14–7><14–8>

See TaillightSystem

(*2 )<6–2>

See Illumination

System<

7–4>

From SuspensionControl ECU<16–8> See Turn Signal and

Hazard W

arning LightSystem

<5–3>

LO HI

OFF

SB

B–R


See Charging System

<1–3>

SB

J20JU

NC

TION

CO

NN

ECTO

R

SBSB

SBR

–W

P 8PA

RKIN

G BR

AKESW

See VSC

System<

15–11>

See ElectronicallyControlledTransmission andA/T IndicatorSystem<14–7>

C14 C15,

COMBINATION METER

A B C16, C C17, D

D6

See Headlight

System(*3 )<

4–8>

* 3 : USA

(*3 )

(*2)


D DSB

ASBSB

(Cont. next page)

6 IU2

Y–RSB

IU2

Y–B

SB SBY

IU2 3 IU2

B–R

SBB–R

From A

BS &BA

& TR

AC

&VSC

ECU

<15–7>

B–R

5 4

J20JU

NC

TION

CO

NN

ECTO

R

E

3I34

3C3

SB

BB

B

B

To DaytimeRunning LightRelay(Main)<4–3>


To Multi–Display<29–3>

R–W

R–W

R–W

J45JU

NC

TION

CO

NN

EC

TOR

R–W

* 2 : Canada



910

1112

30

LX 4

70 (

Con

t’d)

Co

mb

ina

tio

n M

ete

r

B12

8C

A A



A A

MALFUNCTIONINDICATOR LAMP

SRS

WASHER

CENTER DIFF.

C16

C7

7D

SB

SBSBSB

See Engine ControlSystem<2–3>

See CenterDifferentialLock System<17–2>

See SRS System<13–4>

ASB

3I37

3I48

CC

52 2P19 2E

8 1C8 1H

16

1J21E19

W–B

1J9

EA

W–B

EBFr

ont r

ight

sid

eof

fend

er a

pron

W 1

WAS

HER

LEV

ELW

ARN

ING

SW

[WAS

HER

MO

TOR

] Fron

t rig

ht s

ide

of fe

nder

apr

on

ABS

SLIP

VSC TRAC

VSC OFF

ACTIVE TRAC

2A

13C

12C

11C

14C

8D

See VSC System<15–10><15–11>

J26

JUN

CTI

ON

CO

NN

EC

TOR

SB SB

L–W

L–W

W–B

C14

C16

,

CO

MBI

NA

TIO

N M

ETE

R

AC

C15

, B

C17

, D


MEMO



12

34

2

3 4

( Con

t. n

ext

page

)31

LX

470

BAT

TER

Y

140A ALT

21 1O1

80A AM1 NO. 120AAM1 NO. 2

1E15

15A CIGAR

2

1IG

1

B A

B L–B

A

B

6IG

1

1E14

43

21

EE

J 8

JUN

CTI

ON

CO

NN

ECTO

R

2E2

2E1

1C1

20A A. C

1L1

B

2B20

R–L

1F2

60A HTR

1L19

20A CDS FAN

43

21

C D

EB

Fron

t rig

ht s

ide

of fe

nder

apr

on

32

41

1L17

1E19

1L15

1L18

A 5A/C TRIPLE PRESSURE SW(A/C Dual and Single Pressure SW)

12 M 1L14

E 4EXHAUST GASSENSOR

A 3A/C CONDENSERFAN RELAY

1E2

1L12

43

21

3D1

3A7

3C8

3C4

IIS

et b

olt o

fco

wl s

ide

J/B

RH

4

23

15

MTR RELAY

JIH

1L9

1E11 9

IG1L–W

2B9

R–L

B


I18

IGN

ITIO

N S

W

B R–L

R–L

B–RB–R

L–B

L

L–B

L

Y

R–L

R–L

B–Y

Y

Y

L–R

W–B

Y–G

B–R

L–R

R–L

B–Y

Y–G

B

R–L

B–R

L–W

L–W

L–BR

–L

L–W

Y–R

L–R

L–W

R–L

Y–R

L–R

W–B

W–B

W–B

W–BW

–B

A 2

A/C

CO

ND

ENS

ERFA

N M

OTO

R

Po

we

r S

ou

rce

Co

nd

en

se

r F

an

an

d F

ron

t A

ir C

on

dit

ion

ing

ACC

IG1

AM1

2 1

Fron

t rig

ht s

ide

of fe

nder

apr

onE

A1J9

W–B

L–B

IG1

NO

. 2R

ELA

Y

AB

1

B

2D

1E

13G

( *1)

GR

GR(*1)

10C

( *2)

12F

Y

Fron

t lef

t sid

eof

fend

er a

pron

16IG

1

ACC

ACC

DG

S

4G

( *1)

10A

( *2)

PSW

, C 9C 8 A B CC10, DC11, EC24,

, C26C25 F G , C27 H , C28 I

2D22

CENTER ECU

GR

6E

SW

D

3ESTX

4ECLK

GL–

Y(*1

)F

L–B(

*1)

E

L–R

L–B

L–Y(*1)

(*1)

(*1)

* 1

: w/ L

EXU

S N

avig

atio

n Sy

stem

* 2

: w/o

LE

XUS

Nav

igat

ion

Syst

em

,

2001 LEX

US

LX 470 (E

WD

427U)

M

5 6 7 8

31 LX 470 (Cont’ d)

B–Y

A

B

C

D

H

I

J

Condenser Fan and Front A ir Conditioning

10 IG1

1E6

1

2

3

5

1C14

14 B

MG

CLT

RE

LAY

1L13

1D2

LL

10 IG2 IN16

3

3 IN1

7 A

4 IN1

2

1

A 4A/C

MAG

NETIC

CLU

TCH

AND

LOC

K SEN

SO

R

4 C

A19A/C

THE

RM

ISTOR

2 C

R 7

RO

OM

TEM

P. SEN

SO

R(Front )

9 D

6

3

8 D

2

8 C

4 5

1 C

1

3

7 D

7

6 D

6 5

9 C

AA

A

A

16 IU1

GND

6 C

15 IU1

Mcool P+Mhot

41L

121EIG1

3 31L

4 IG1

3 C

1E9

1L10

5 A 19 A 18 A 6 A

Y–G

L–Y

B–Y

L–Y

SBSB

2 B

10 E 18 H

L

Y–G

B–Y

8 H 17 H 16 H 6 H

1 2 3 4 5

6 A27AIR VENT MODECONTROL SERVOMOTOR

12 I

A

AA

J22JU

NC

TION

CO

NN

ECTO

R

To Engine C

ontrolM

odule<2–11>

13 I

B 1BLOWER MOTORCONTROLLER

3

1 2

11 G 22 G 21 G


1 2B

6 G 8 G 4 I 7 G 9 H

To Telephone Transceiverand Speaker R

elay<27–2>

14 F

W–LB–Y

B–YB–Y

B

R–L

Y–G Y–G

Y–G

Y–G

GR

–B

Y–G

Y–G

B P–B

G–R

P–G

B–Y

Y–G

G–R

G–R

LG–B

G–W

L–R

Y–G Y–G Y–G

A18

A/C

SOLAR

SEN

SOR

Y–G

Y–GY–G

G–R

SBJ45JUNCTIONCONNECTOR

A26AIR MIX CONTROLSERVO MOTOR

A25AIR INLET CONTROLSERVO MOTOR L–Y

To Rear C

oolerM

agnetic Valve<32–4>

A 1A/C AMBIENTTEMP. SENSOR

To A/C Amplifier<32–6>

WB

R G L

LG–R

To Com

bination Meter

<30–4>

Y–B

W–G

L–BV

From E

ngine Control

Module<

2–10>

W–B

W–B

W–B

W–B

W–B

W–B

W–B

L–R

W–BW

–R

W–B

7

W

Y–RY

–R

B–W

P–L

GR

BR–W Y–R

R–L

R–L

R–L

R–L

Y–R

L–R

R–L

To Engine C

ontrol Module

<2–11>

2

1

2

1 2

1

1

2

M

12 E

B

BB

G–RO

G–R

G–R


To Theft Deterrent EC

U<

18–4>

To Engine Control M

odule<

2–10>

RrMGVFrCIDFrCLKFrCSDFrLATTAMTSTPIAIFAIRFrS5FrTPFrAMCFrAMHFrTRFrTELOCKMGC

IG FACE B/L FOOT F/D DEF FrHR FrBLW GND VER4 VER3 VER2 VER1 SPD ACT AC1 TW IGN TEL IN I–SEC

GND

Vz MREC MFRS Pt

SI M+ M–

GND+B

FACE B/L FOOT FOOT/DEF

DEF

+ –

Vz

12 C

FrSG

Y–G

Y–G

A

AA A AA


W–B

15 G (*1)8 F16 F15 F7 F3 F2 F13 F17 G16 G9 F5 F19 G18 G10 F11 F15 H11 I

(*2 )

Y–G

SG

1 F

(*1 )(*1 )Y–G

(*2)

(*2 )

22 D

A

(*2 )

W–B

(*1 )

W–B

(*1 )

(*2 )

13 D (*2)

(*1)

24 A13 A9 A15 B23 A22 A11 A12 A25 A9 B12 B13 B11 B10 B5 B4 B3 B1 D

12 G

(*1 )

GL–Y(*1)

FL–B(*1)

EL–R(*1)

13 H12 H2 H3 H11 H2 E5 E

L–Y(*1 )

L–B(*1 )

L–R(*1 )

L–W(*1 )

L(*1 )

L(*1 )

L–W(*1 )

IG+SWDSTXCLKDPDBLKDPD BLK E

* 2 : w/o LEXUS Navigation System* 1 : w/ LEXUS Navigation System

1 H 10 H 11 E 1 G

See M

ultiplexC

omm

unicationS

ystem<

10–4>

G–R

G–R

(*1 )

G–R

20 IW1

G–R

1D10

1N1

20AECU–B1

, C 9C 8 A B , C10 C , C11 D , C24 E , C25 F , C26 G , C27 H , C28 I CENTER ECU

+B+BMPX+MPX–

8 E

(*1)

(*2)

12 D (*2)



12

34

( Con

t. n

ext

page

)32

LX

470


140A ALT100A J/BNO. 2

1O1

80AAM1 NO. 1

20AAM1 NO. 2

1E151

IG1

1EG

1

20A A. C

2

ACC

IG1

AM1

4

6IG

1

A

A

L–B

43

21

141E

1C1

EEFr

ont l

eft s

ide

of fe

nder

apr

on

2G1

30A RR A. C

10A RR HTR 12

35 2N5

2D6

2F7 6

IR1

7BM

1

13

24 21 M

FED

21 M A A

A B C2E

120

2B

15A ECU–B

12 IV3

2P26

1B

M1

A A

A

12

2B

M1

1IV

3


3I5421

3E A A

IV34

J 3

JUN

CTI

ON

CO

NN

ECTO

R

Re

ar

Air

Co

nd

itio

nin

gP

ow

er

So

urc

e

BATT

ER

Y

B–R B

B

L–B

B

L–B

R–L

IG1

NO

. 2R

ELA

Y

I18

IGN

ITIO

N S

W

B–R

LG

B

J 8

JUN

CTI

ON

CO

NN

EC

TOR

R–L

R–L

RR

HTR

REL

AY

LG LG

L

L–B

SB

L–B

L

R–L R–Y

L

R–L

L–B L–B

W

R–L

R–LR

–LR

–L

L–B

R22

REA

R H

EATE

RB

LOW

ER M

OTO

R

J31

JUN

CTI

ON

CO

NN

EC

TOR

R17

REA

R C

OO

LER

REL

AY

R14

RE

AR C

OO

LER

BLO

WER

MO

TOR

SBSB

R15REAR COOLERMAGNETIC VALVE

LG–RLG–RLG–R

LG–R

R–L

R–L R–L


B

SB

R–L B L–B

L–B

W R–Y L–B

W R–Y L–B

12 23

2001 LEX

US

LX 470 (E

WD

427U)

M

5 6 7 8

32 LX 470 (Cont’ d)

A

B

C

D

E

F

Rear A ir Conditioning

14 A

13 A

10 BM1 5 BM1 6 BM1

3

22 A

R16

REAR

CO

OLE

RP

OW

ER

TRAN

SISTOR

J39JU

NC

TION

CO

NN

ECTO

R

AA

A


BM18

3 A 4 A 18 A

15 IV3 3 IV3

20 A

14 IV3

19 A

2 IV3

21 A

13 IV3

4 BO2

15 A

4 BF2

8 BO2

16 A

5 BF2


3 BM1

7 A

2

1

BM14

C

CC

9 A

6 BO2

11 BF2

10 BO2

13 BF2

2

1

C

8 A

3 BO2

11 A

6 BF2

7 BO2

12 A

7 BF2

2 BO2

5 A

8 BF2

5 BO2

6 A

12 BF2

2 1 5 33 2

4

CC

R23

RE

AR H

EATER

PO

WE

R TR

ANSISTO

R

R21

REA

R EVA

POR

ATOR

TEMP. SEN

SOR

J38JU

NC

TION

CO

NN

ECTO

R

R24

RE

AR IN

LET AIRTEM

P. SEN

SOR

1 A 2 A 12 B

12

11 B

13

10 B

14

1 C

9

4 C

22

8 C

21

5 B

7

6 B

6

7 B

5

18 B

4

15 B

3

9 B

15

4 B

16

3 B

17

2 B

18

1 B

19

16 B

2

17 B

1

8 B

11 10

12 C

20

1

2

7 C

A33 A34,

A/C AMPLIFIER

A B A35, C

2

BLWrh

W–B

R–Y

W–L

RRW–L

R–Y

W W–B

W–B

W–B

W–BW

R–Y

L–B

(Shielded )

W

(Shielded )

(Shielded )

W

RR

GG

LL

R–W


L–B

Y–G

Y–GY–G

L–B W–B

R–W

R–W

Y–G

R–G

R–G

R–G

YY

Y–GY–G

R–Y

Y–G

Y–G

Y–GY–G

Y–G

Y–G


GR

–G

W–L

Y R–Y

GR

–R

GR

–G

W–L

Y

R 9REAR AIR MIX CONTROLSERVO MOTOR

GR

–RG

R–R

R–YY

W–L

GR

–G

R–L

B

L–B

L–B B

R–G

R–Y

R–L

L–R

Y–R

L–O

L–R

L–W L L G

GR

–R

L–Y

GR

Y–B

W–G

W–G

W–R

G–W

G–W

G–W

G–Y

G–Y

B

G–Y

R33ROOM TEMP. SENSOR(Rear)

R 8REAR A/C CONTROL SW

SGB/L–S

FACE–S IG S5 T–SETAUTO–I

LO–I ME–I HI–IFACE–I

HI–S ME–S LO–S OFF–SAUTO–S

B/L–IFOOT–I

RG SRGFOOT–S

FACE–SHRrh +B IG1 TRrSG2RGFOOT–I

B/L–IAUTO–S

OFF–SLO–SME–SHI–SFACE–I

HI–IME–ILO–IAUTO–I

TSETrS52IG2B/L–S

FOOT–S

TPrS51MHrMCrTinrSG1TEr

4 1

4 1

VMrhLATCSDCLKCIDGNDBLWrcVMrcHRrc

R–L

1 lx 470 electrical wiring diagram - club lexus russia · i18 ignition sw a 6ig1 8ig2 1ig2 a l–b...

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