Lexus ES300 (2002 year). Manual — part 68

M OVERALL ELECTRICAL WIRING DIAGRAM

1

2

34

13

ES 300

Po

w

e

r So

u

rc

e

E

lec

tr

oni

c

M

odul

at

ed S

u

s

pen

s

ion

5

3

1

2

B–G

B–G

B–Y

B–R

2

22

E

2

A

8

2A

2

1

1

Ig

ni

tion

S

W

I1

4

1

B–G

B

a

tte

ry

FL

M

A

IN

3.

0W

W–B

W

2

AC

C

IG

1

ST

1

AM

1

4

10A FAN RLY

5A AM1

2F
9

IG1 Relay

2R
8

IB

In

st

ru

m

ent

P

ane

l

B

ra

ce LH

4B

B
53

B

312

GL

1

V

G

S

GG

N

D

SG

F

L

SB

L

S

G

L

B

16

18

B

1

7

B

132

GL

1

V

G

S

SG

R

R

S

G

R

SB

R

3A

1A

2

A

7

A

FA

L

+

FA

L

–

FB

L

+

FB

L

–

ED

Lef

t

F

ender

2345

1

E

CU1

1

2

A5

A6

A4

A

FA

R

+

FA

R

–

FB

R

+

FB

R

–

2345

1

1

0

B8

B9

B7

B

RA

L

+

RA

L

–

RB

L

+

RB

L

–

BC

F

ront

S

id

e

of

R

ear

Q

uar

te

r

W

hee

l H

o

u

se LH

2345

1

A

L–Y

W–B

W–B

W–B

L–W

L

L–B

L–Y

L–W

L

L–B

L–R

R–W

R–Y

R

L–R

R–W

R–Y

R

1B

+B

14

B

GN

D

W–B

W–B

MO

D

2

B

23

6I

F

2

7I

F

2

9A

SS

2

+

8A

SS

2

–

2L
8

12

SS

2

–

1

3B

20

3B

70

2

6

B

1

2B

1

3

B

1

1B

R

A

R+

R

A

R–

RB

R+

RB

R–

2345

1

4

2

L–R

R–W

R–Y

R

W–B

SS

2

+

ES

S

A

A

A

IA

In

s

tr

u

m

e

n

t P

anel

R

e

in

fo

rc

em

ent

LH

5I

F

2

4I

F

2

21

B

SW

1

20

B

SW

2

4

E

CU2

GN

D

2

Ri

g

h

t

F

end

er

EB

BD

A

U

nder

t

h

e

F

ront

P

a

ss

enge

r’

s

S

eat

BB

U

nder

t

h

e

Dr

iv

e

r’

s

S

eat

BA

R

R–Y

R–W

L–R

R

R–Y

R–W

L–R

9I

F

2

1

1

IF

2

1

0I

F

2

1

2

IF

2

10

IO

5

1

2

IO

5

11

IO

5

1

3

IO

5

5I

D

1

6I

D

1

1

5

ID

1

1

6I

D

1

R

G

R

G

Junc

tion

C

onnec

to

r

J 1

Junc

tion

C

onnec

to

r

J 4

Junc

tio

n

C

onnec

to

r

J1

2

Junc

tion

C

onnec

to

r

J1

3

A

b

s

o

rber

C

ont

ro

l

A

ct

uat

or

F

ront

LH

A 8

A

b

so

rber

C

ont

ro

l

A

ct

u

a

tor

F

ront

R

H

A 9

A

b

so

rb

er

C

ont

ro

l

A

ct

uat

o

r R

ear

L

H

A3

8

A

b

so

rber

C

ont

ro

l

A

c

tuat

or

R

ear

R

H

A3

9

A

b

s

o

rber

C

o

nt

ro

l S

W

A2

3

A

c

ce

le

ra

tion S

e

n

sor

F

ron

t LH

A2

4

A

cc

e

ler

a

tion S

ens

or

R

ear

R

H

A4

0

A

b

so

rber

C

ont

ro

l E

C

U

A2

1

(A

), A

2

2

(B

)

120A ALT

Y

V

Y

V

W–B

SB

W–B

W–B

W–B

B–R

W–

B

W–B

W

–

B

W

16

IF

2

1

4

IF

2

15

IF

2

P–L

LG–R

GR–B

O

V–Y

B–R

P–L

LG–R

GR–B

3

IO5

1

IO5

2

IO5

P–L

LG–R

GR–B

3I

F

4

2I

F

4

5I

F

4

O

V–Y

B–R

GGN

D

W–B

A

A

A

10

A

HA

R

D

18

IF

2

GR

GR

25

B

FR

O

17

IF

2

GR–R

GR–R

11

A

TA

C

H

B–O

22

B

SI

L

W

15

B

TE

M

P

6B

TC

P–B

19

B

TS

LG–B

Engine Control
Module<4–15>

2B

ST

P

G–W

Stop Light SW
<7–8>

(*1)

(*1)

D

a

ta

Li

nk

C

o

nnec

to

r 3

<4

–

1

5

><4

–

1

6

>

13

IF

2

W

1I

F

2

P

2I

F

2

P–B

3I

F

2

LG–B

Headlight Beam Level
Control ECU<14–4>

Skid Control ECU
<10–9>

*

1 :

w

/ H

e

a

d

light

B

eam

Le

ve

l C

ont

ro

l S

ys

tem

Steering Sensor

S 9

F

ront

S

ide

of

R

ear

Q

uar

te

r

W

h

e

e

l H

o

us

e R

H

2002

M

1

2

3

4

14 ES 300

1C

8

1C

7

7 IF8

8 IF8

9 IF8

10 IF8

1 IF8

4 IF8

5 IF8

6 IF8

39 A

8 B

R–L

R–
L

B–
R

LG
–

R

GR
–

B

W–
L

L–
W

G–
R

P–
B

V

V

P–
B

G–
R

L–
W

W–
L

GR
–

B

LG
–

R

B–
R

B–
L

L

G–
W

B–
L

L

G–
W

B–
G

1

3

2

5

14

16

15

4

13

A

E

4

1

6

3

4

1

6

3

E

21

23

19

26

7

12

11

SHB

SHRR

SHG

2

3

Battery

Bu
ck

le

SW

R

H

<

2

4

–4>

Sk
id

C

o

n

tro

l EC
U

<

1

0

–8>

P o w e r S o u rce

H e a d lig h t B e a m L e ve l C o n tro l

WNG

GND

SS2

SPDR

SBR

SHR

SGR

IG

LH1

LH2

LH3

LH4

RH2

RH3

RH4

FL MAIN
3. 0W

H

eadl

ight
B

e

am

Lev

e

l

2G

8

2O

5

B–
O

W

1

1

2

1

1

2

1

3

5

10A
IG2

A

A

IB

Instrument Panel
Brace LH

2

7

ACC

IG1

ST1

IG2

ST2

AM1

4

6

AM2

5A
A

M

1

1

0

A G

A

U

G

E2

2A

2

2E

2

2A

8

2B

7

IG
1

R

e

la

y

2R

8

IA

Instrument Panel
Reinforcement LH

1A

2

3

0

A AM

2

1E

2

3 IF3

LG

W–
B

GR
–

R

GR
–

R

Junction
Connector

J 4

Junction
Connector

J 1

Headlight Beam Level
Control Actuator LH

H 1

Height Control Sensor

H16

Junction
Connector

J10

Headlight Beam Level Control ECU

H14

C

o

m

b

inat
ion
M
e

te

r

C 7

(A

),

C

8

(B

)

Ignition SW

I14

Headlight Beam Level
Control Actuator RH

H 2

8 IO5

17 IO5

18 IO5

A

E

5

5

R–L

B–Y

B–R

W–B

R–
L

B–
R

R–
L

B–
Y

B–
G

W–B

W

W–
R

W

–

R

B–
G

B–
G

R–
L

W–B

IF6

8

B–R

1 IF4

R–
L

R–
L

HE
A

D

Re

la

y

<1
–

4

>

10

R–
B

HDLP

6

L–
Y

SS1

Bu
ck

le

SW

R

H

<

1

2

–8>

RH1

1

W

LG

12
0A
A

L

T

8

A/C

Data Link
Connector 3

D 2

G

8

PRST

B

B

Sk
id

C

o

n

tro

l EC
U

w

ith

A

ctuat
or

<

11–

4>

A

b

so

rber
C

ont
ro

l

E

C

U

<

13–

3>

GR
–

R

GR
–

R

GR
–

R

(*1
)(

*1

)

(*3
)

* 1 : w/ VSC
* 2 : w/o VSC
* 3 : w/ Electric Modulated Suspension System

(*2
)

Junc
tion

C

onne

ctor

J 2

B

11 IF8

R–
B

M OVERALL ELECTRICAL WIRING DIAGRAM

1

2

34

15

ES 300

B–G

B

a

tte

ry

FL

M

A

IN

3.

0W

1

11

2

1

2

AC

C

IG

1

ST

1

AM

1

4

WB

–

Y

22

A

5A AM1

2E
22

A

8

2

1

3

5

2R
8

12

M

10A GAUGE1

IG1 Relay

I1

4

Igni

tion

S

W

W–B

IA

In

st

ru

m

ent

P

anel

R

e

in

fo

rc

em

en

t LH

W–B

2

1

3

5

10

A

HO

RN

1A
2

1D
31

H

1

HO

RN

Re

la

y

G–B

2G

22

2Q
6

G–B

1

1

G–W

H1

2

Ho

rn

(Low

)

1

H1

1

Ho

rn

(Hi

g

h

)

G–

W

Horn

C10
Combination SW

B–G

B–G

B–G

W

B–G

B–Y

P

o

w

e

r S

our

c

e

S

eat

B

e

lt

W

a

rn

in

g

H

or

n

*

1

:

w

/ V

S

C

* 2

:

w

/o

V

S

C

Po

w

e

r

M

ic

ro C

o

m

put

er

3B

84

3B

64

3B

54

3B

74

ID

In

st

ru

m

ent

P

ane

l

B

rac

e R

H

52

1

40

2K

14

2N
5

Airbag Sensor
Assembly<12–7>

W

W

G–Y

BR

C

o

m

b

inat

ion M

e

te

r

C 7

Se

a

t

Be

lt

3A

87

3A

57

W

W

120A ALT

( *1

)

(*2

)

(*1

)

(*2

)

B

u

zze

r

2002

M

1

2

3

4

16 ES 300

2A

2

5A
AM1

2E

2

B–
G

B–
G

Battery

FL MAIN
3. 0W

120A
ALT

2

ACC

IG1

ST1

AM1

3

4

2A

8

2

1

5

3

2R

8

IG1
Relay

2M

1

10A
GAUGE1

2

1

5

3

2A

7

2M

8

ACC
Relay

15A
POWER
POINT

2A

9

15A
CIG

2A

6

L–
R

W

B–
Y

IA

Instrument Panel
Reinforcement LH

W–
B

W

–

B

2

1

V

P

SB

4

2

C 5

C

igar
et

te

Li

ght
e

r

WR

–

L

W

–

B

5

1

IG

SLS+

G–
W

3

STP

S

top
Li

ght
S

W

<

7

–8>

S 4

Shift Lock
Control ECU

SB

W–B

W–B

IB

Instrument Panel
Brace LH

A

I14
Ignition SW

W

P o w e r S o u rce

C ig a re tte L ig h te r
a n d P o w e r O u tle t

1

2

1

1

E

SLS–

Shift Lock
Solenoid

3A

57

3A

117

3A

116

3A

55

Junction
Connector

J 4

6 IA4

1

2

2B

3

5A
FUEL
OPEN

2E

1

BE

W–B

B–
G

G

–

B

R

–

W

R

–

W

F10

Fuel Lid
Opener SW

F14

Fuel Lid
Opener
Solenoid

B–Y

L–R

B–
G

S h ift L o ck

F u e l L id O p e n e r

W–B

W–B

2

3

Po
w

e

r O

u

tle

t

P 6

A

W–B

Lower Back
Panel Center