Lexus ES300 (1997 year). Manual - part 667

K

1

2

3

4

1

 E

S

3

0

0

 EL

EC

T

R

IC

A

L

 W

IR

IN

G

 D

IAG

R

A

M

2

ACC

IG

1

IG

2

ST2

AM

1

4

6

8

7A

M

2

1B
5

1K
5

2

1

3

5

5A ALT–S

30A AM2

40A MAIN

2L
4

2C
3

2A
12

B

32

D

52

K

92

J

11

1F

2F

1D

1A

1K
2

1B
1

40A AM1

1B

1

A

5A
STARTER

5A

IG

N

1K
41

K

3

1J

31

C

8

11

IK

2

6

5

P

N

10

IK

2

CB

BA

BA

GR

12

IK

3

EE

R

ear

 si

de of

sur

ge t

a

nk

2

1

1C

1B

L

1

A

2

B

3

B

B

IG

S

10

A

2B

10A

GAUG

E

1K
1

1J
2

4I

G

2

6E

B

2

4I

M

2

1T
8

60A

ABS

3

45

67

3

2

2

2

AAA

A

A

B

1

2

9

10

1

2

B

B

1

2

A

1

1

1

R

B–

R

B–Y

W

W

B–

G

B–

R

GR

B

B–R

B–R

B–R

B–R

B–R

G

Y

L

W–R

LG–B

BR–Y

GR

BR

BR

W–R

W–R

W

W

B–R

B–R

B–R

B

B–G

B–G

B–R

GR

B–W

B–W

GR

Y

Y

Y

Y

B–R

B–R

B–R

B–Y

B–G

R–L

R–L

B–G

W

B–

G

W

B–R

B–R

P

o

w

e

r So

u

rce

St

a

rt

in

g

C

h

ar

gi

ng

I1

3

IG

N

IT

IO

N

 S

W

I 5
IGNITION COIL NO. 3

I 4
IGNITION COIL NO. 2

I 3
IGNITION COIL NO. 1

J26
JUNCTION CONNECTOR

ST RELAY

P 1

P

A

R

K

/N

EU

TR

AL

PO

S

ITI

ON SW

J22

J

UNCTI

O

N C

O

NN

E

C

T

O

R

1

00A

AL

T

F 9

D

, 

F11

F

FUSI

BLE

 LI

NK

BLOCK

F 6

A

, 

F 

8

C

To Engine Control
Module < 3–2>

FL M

A

IN

3.

 0

W

BATT

E

RY

S 1

A

, 

S

 2

B

START

E

R

J 8

A , J 9

B

JUNCTION
CONNECTOR

To Engine Control
Module<2–10

T

o

 Engi

ne C

ont

ro

l

M

o

d

u

le

<

2

–8>

N 1
NOISE FILTER
(Ignition)

See ABS System< 20–1>
See ABS and Traction
Control System< 19–1>

To Daytime Running
Light Relay(Main)< 5––1>

G 1

A

, 

G 2

B

GE

NERAT

O

R

C 7

A , C 8

B

CHARGE WARNING LIGHT
[COMB.  METER]

B–W

B–W

1I

G

2

W–B

W–B

To Theft Deterrent ECU
< 12–3

BA

BA

BB

(*2)

(*2)

Y

(* 1)

Y

(*2)

J18

A , J19

B

JUNCTION
CONNECTOR

* 

1

 :

 U

S

A

*

 2

 :

 C

a

na

da

Ign

it

ion

BA

GR

GR

To

 Bu

lb

 Ch

e

ck

 Re

la

y

[C

om

b.

  

M

e

te

r]

<

26–5

>

IG

F

IG

T

3I

G

T

2I

G

T

1

G

N

D

IG

C3

IG

C2

IG

C1

+

B

I 2

IG

N

IT

E

R

1

2

3

2 E

S

300

(

C

on

t.

  ne

xt

 pa

ge

)

5A

IG

N

2

7

AC

C

IG

1

IG

2

ST2

AM

1

4

6

AM

2

R–Y

R–L

G–B

LG–R

R–L

L

BR

LG–R

LG

P

O

1F

2

F

1J

10

1K
2

2L
42

J

8

1B
41

B

1

2A
1

1C

B

1K
5

1B
5

1K
31

C

8

1W
7

2C
5

2F
42

J

22

C

10

2

1

3

5

1

1

1

1

4E

B

2

7I

D

1

5E

B

2

3I

K

2

3

IK

1

5

4

M

BN

AB

AA

1J

8

1J

7

II

In

st

ru

m

e

nt

 p

anel

b

race L

H

C

A

C

A

B

B

A

W–R

2K
7

EC

Le

ft

 r

adi

at

or

s

id

e

 s

u

pp

or

t

12

IK

3

1K
1

1D
2

B–G

B–R

B–R

B–R

B–R

B

W

W–R

B–Y

W–B

W–B

B–Y

B–Y

B–R

R–L

R–L

G–R

G–R

G–R

G–R

L–B

W–B

B

W

W–B

W–B

W–B

BR

BR

L–W

W

B–

Y

B–

R

L–

W

B–

Y

BR

BR

G–

R

G–

R

B–

Y

BR

B–

R

B–

R

B–

R

B–R

B–

R

W

B–

R

1A

B–R

G–R

L–B

5

3

B–

Y

D

D

J 

8

A

, 

J 9

B

J

UNCTI

O

N CONN

ECTOR

12

3

11

5

15

10

3

8

16

23

22

4

14

17

45

7

16

W–B

W–B

A

J 8

A , J 9

B

JUNCTION CONNECTOR

F  6

A ,  F  8

C ,  F11

F

FUSIBLE LINK BLOCK

L–B

G–R

U

nder

 t

h

e l

e

ft

c

e

n

ter

 pi

lla

r

B–Y

B

A

TTER

Y

FL M

A

IN

3.

 0W

100A ALT

7. 5A OBD

40A AM1

1

2

I1

3

IG

N

IT

IO

N

 S

W

30A AM2

15A EFI

EFI RELAY

CIR OPN RELAY

F19

FUEL

PUM

P

J3

7

JU

N

C

TI

O

N

CO

NNE

CTO

R

J1

5

J

UNCTI

O

N

CO

NNEC

T

OR

10

IJ

1

C10
MALFANCTION INDICATOR LAMP
[COMB.  METER]

J 4

J

UNC

TI

ON

CO

NNECT

O

R

10A GAUGE

D 4

DATA

 L

INK

CO

NNECTO

R

 3

(SHIELDED)

BA

T

S

IL

CG

SG

From Absorber Control
ECU< 22–2>
From ABS and
Traction ECU<>

19–4>

From ABS ECU<20–3>

To ABS SOL Relay
< 19–4 < 20–3>

From ABS ECU
<20–3>
From ABS and
Traction ECU
<19–2>

From Airbag Sensor
Assembly<23–3>
From Cruise Control
ECU< 21–2>
From ABS and
Traction ECU< 19–4>
From Absorber Control
ECU< 22–3>
From ABS ECU< 20–3>

From ABS and Traction ECU
< 19–4>
From ABS ECU< 20–3>

From ABS and Traction ECU
< 19–2>

From Cruise Control ECU<21–>2>
From Airbag Sensor Assembly
< 23–>3>
From ABS and Traction ECU
< 19–4>>
From Absorber Control
ECU< 22–2>
From ABS ECU< 20––3>

From Airbag Sensor
Assembly< 23–3>

From Absorber
Control ECU
< 22–3>

From Cruise
Control ECU
< 21–2>

BR

E1

A/

D

T

EM

A

B

TC

E

1

+

B

TE

1

TS

(*1

)

TC

AB

S

TR

C

W

B

WA

D 1

D

A

TA

 L

INK

 CO

NNEC

T

OR 1

D 3

DATA L

INK

CONNE

CTOR 2

E

F

G

H

I

J

A

B

C

D

23

5

1

E

ngi

ne C

ont

ro

l

P

o

w

e

r S

our

c

e

*1:Short Pin

K

5

6

7

8

2 E

S

300

(Co

n

t’

d

)

(

C

on

t.

  ne

xt

 pa

ge

)

24

D

GR

16

D

BR–Y

15

D

LG–B

12

D

W–R

27

A

L

28

A

G

25

A

B

26

A

W

19

A

BR–W

9A

V

5A

LG–B

16

A

B–Y

12

A

V–W

34

D

BR

33

D

BR

28

D

BR

16

B

BR

1D

BR

19

C

B

10

B

Y–R

13

C

W

11

B

L–B

22

D

Y–B

23

D

R–W

2B

LG

12

B

Y–G

8B

W–R

6B

R–Y

18

A

B

17

A

P–B

18

C

G–R

3B

G–R

ED

Sur

g

e

tank R

H

EE

R

e

a

r s

ide 

o

f

s

u

rg

e t

ank

1

2

1

2

1

2

1

2

IK

3

6

IK

1

5D

G

6D

R–L

7D

W

8D

Y

9D

R

10

D

L

14

A

B–Y

5B

L–W

23

A

B–Y

B–R

B–R

B–R

B–R

B–R

B–R

1

2

1

2

1

2

1

2

1

2

1

2

8A

BB

BB

BA

BA

9I

K

3

J28

A , J29

B

JUNCTION CONNECTOR

B–

R

B–Y

BR

BR

BR

BR

BR

BR

BR

B–

Y

B–

Y

B–

Y

B–

Y

B–

Y

B–

Y

B–

Y

B–

Y

13

A

A

A

A

A

A

A

A

A

A

11

33

AA

AAA

A

24

24

2

4

A

A

A

A

A

A

A

BR

B–

Y

BR

BR

G–

R

G–

R

B–

Y

BR

BR

A

A

BR

BR

BR

BR

B–

Y

2

13

2

B–Y

BR

B–Y

A

E 7

A

, 

E 

8

B

, 

E 

9

C

, 

E10

D

EN

GI

N

E

 CONTRO

L 

M

O

DULE

W

B–

Y

B–

R

L–

W

B–

Y

B–Y

B–Y

J2

2

J

UNCTI

O

N C

O

NN

ECTOR

I 6
INJECTOR NO. 1

I 7
INJECTOR NO. 2

I 8
INJECTOR NO. 3

I 9
INJECTOR NO. 4

I10
INJECTOR NO. 5

I11
INJECTOR NO. 6

(SHIELDED)

(SHIELDED)

(SHIELDED)

H10
HEATED OXYGEN SENSOR
(Bank 1 Sensor 2)

H 5
HEATED OXYGEN SENSOR
(Bank 1 Sensor 1)

H 6
HEATED OXYGEN SENSOR
(Bank 2 Sensor 1)

V 6
VSV(Intake Air Control)

V 7
VSV(Vapor Pressure Sensor)

V 4
VSV(EGR)

V 5
VSV(EVAP)

I 1
IDLE AIR CONTROL
VALVE

J23

J

UNC

TI

ON

CONNE

CTO

R

J24

J

UNC

T

ION

CO

NNECTOR

BR

BR

BR

BR

A

B

C

D

E

F

G

H

I

J

B–Y

B

C

A

From Igniter
< 1–2> <1–3>

From ABS and Traction
ECU<19–2>

2

To A/C Control
Assembly< 27–8>

To Speedometer
[Comb.  Meter]< 26–2>

W

+

B

T

C

B

A

T

T

#

1

0#

2

0

#

3

0#

4

0

#

5

0#

6

0

S

IL

S

P

D

A

/C

W

F

C

H

TS

O

X

S

A

CI

S

T

P

C

E

G

R

E

VP1

R

S

O

R

SC

+B

E

1

HT

O

X

OX

HT

E1

+B

OX

HT

E1

+B

HTR

O

XR1

H

T

L

OXL1

ADJ

2

E1

E

0

3

E

02

E0

1

IG

T

1

IG

T

2

IG

T

3

IG

F

TR

C–

TRC+

EFI

–

EFI

+

NE

O

THW

O

ACT

From  A/C Control
Assembly< 27–8>

A

E

ngi

ne C

ont

ro

l

K OVERALL ELECTRICAL WIRING DIAGRAM

9

10

11

12

2 E

S

300

(Co

n

t’

d

)

8C

P

21

C

L–Y

7B

R–B

7C

L

1C

Y

13

B

L–R

15

B

W–G

14

B

G–Y

20

C

G–B

22

C

BR

3A

G–O

2A

B–Y

24

A

G–W

2

E

C1

4

E

C

1

1

E

C1

3

E

C1

11

1

2

1

2

1

1

2

1

4

C

1

5C

5C

6C

1

7

C

1

3D

3

1

D

8I

K

2

BR

BR

W

W

W

W

B–R

BR

L

B–W

L

GR

B–L

B–

Y

BR

BR

B

R

B

R

BR

YY

BR

BR

513

3

3

2

1

3

42

1

2

Y

Y

BR

BR

BR

BR

GR

E 7

A

, 

E

 8

B

, E 9

C

D

, E

1

0

E

NGI

N

E CO

NTROL

 M

O

DUL

E

BR

From Stop Light SW
< 6–4>

From ” MIRROR–HEATER”
Fuse< 18–1>

From ” TAIL”  Fuse
< 6–2>

E 4
ENGINE COOLANT
TEMP.  SENSOR

E 1
EGR GAS TEMP. 
SENSOR

E 2
EGR VALVE POSITION
SENSOR

V 1
VAPOR PRESSURE
SENSOR

T 2
THROTTLE POSITION
SENSOR

M 1
MASS AIR FLOW
METER

(SHIELDED)

(SHIELDED)

(SHIELDED)

(SHIELDED)

(SHIELDED)

(SHIELDED)

From Park/Neutral
Position SW< 1–2

C 1
CAMSHAFT POSITION
SENSOR

C 2
CRANKSHAFT POSITION
SENSOR

A

B

C

B–W

PS

ST

A

G2

2

+

NE–

NE

+

KNK

R

KN

K

L

PT

NK

VC

C

V

G

THA

E

2

G

V

T

A1

VC

PTNK

EGLS

THG

T

HW

E2

E

L

S

E

L

S

2

S

TP

E2

E2

VC

VTA

P 2
POWER STEERING
OIL PRESSURE SW

K 1
KNOCK SENSOR 1

K 2
KNOCK SENSOR 2

2

1

1

2

9B

1

3

A

1I

K

2

G–W

G–W

FA

FA

DB

D

B

B–O

B–O

B–O

B–O

From FAN NO. 1 Relay
< 18–3>

To A/C Control Assembly
< 27–8>

To Absorber Control ECU
< 22–5>

To Tachometer[Comb.  Meter]
< 26–2>

CF

T

A

CH

J28

A , J29

B

JUNCTION CONNECTOR

E

n

g

ine C

o

n

tr

o

l

K