Lexus ES300 (2002 year). Manual - part 14

155

3

4

3

4

B18

B18

G

G

W–

B

W–

B

G

1

2

R

ear

 S

ide Mar

k

er

Li

gh

t R

H

R2

0

B15

B20

R

e

ar

 C

o

m

b

inat

ion Li

ght

 LH

R1

1

R

ear

 C

o

m

b

inat

ion Li

gh

t R

H

R1

2

Ta

il

Ta

il

Ta

il

St

o

p

Ta

il

St

o

p

R

e

ar

 C

o

m

b

inat

ion Li

ght

 R

H

R1

3

R1

4

R

ear

 C

o

m

b

inat

ion Li

gh

t R

H

B20

B17

B20

10A
GAUGE1

From Power Source System (See Page 56)

2M

1

2G

7

2K

15

3A

87

A

40

B

16

A

21

3A

57

3A

97

1

2

15A
STOP

2G

13

IA4

9

IA4

18

1

2

H

igh M

ount

ed 

S

top

 L

ight

H1

5

B17

B13

W–B

W–B

G

A

BC

3B

84

3B

64

3B

54

3B

74

ID

1

N

o

ise

 F

ilt

e

r

N 4

1

1

3

5

11

9

2

7

8

4

3

2

3

2

T+

T–

GND

T–

ST–

ST+

IG

IL

C

o

m

b

in

a

tio

n

 M

e

te

r

C 7

(A

), 

C

 8

(B

)

Light Failure
Sensor

L 4

S

top L

ight

 S

W

S1

3

G–

W

R–

L

R

–

L

W

W

GR

W

GR

G–

W

G

G

W–

B

G

G–

W

BR

W–

B

BR

G–

W

G–

W

G

G–

W

G

G–

W

G

W–

B

W–

B

W–

B

W–

B

G–W

G–W

W–B

W–B

Junction
Connector

J12

(* 1)
(* 2)

(* 1)
(* 2)

Power

Micro Computer

W

R

ear

 Li

gh

ts

BE

W–

B

W–B

W–B

W–

B

A

A

T

a

il 

(E

x

c

ept

 U

S

A

)

A

19

3A

85

3A

55

A

1

SB

8 2M

2R

8

IA

SB

W–

B

SB

10A
PANEL

2M

2

3A

58

3A

88

W

W

*  1 : w/ VSC
*  2 : w/o VSC

B15

156

Taillight and Stop Light

Taillight Disconnection Warning

If any of the taillights are disconnected when the light control SW is at TAIL or HEAD while the ignition SW is ON, the light
failure sensor detects the voltage difference, and blinks the rear lights warning light to warn the driver.

Stop Light Disconnection Warning

If any of the stop lights are disconnected when the brake pedal is depressed while the ignition SW is ON, the light failure
sensor detects the voltage difference, and blinks the rear lights warning light to warn the driver.

TAIL Relay

5–3 : Closed with the light control SW at TAIL or HEAD position

L4  Light Failuer Sensor

7–Ground : Approx. 12 volts with stop light SW on
3–Ground : Approx. 12 volts with the light control SW at TAIL or HEAD position
8–Ground : Approx. 12 volts with the ignition SW at ON or ST position

11–Ground : Always continuity

S13  Stop Light SW

1–2 : Closed with brake pedal depressed

  :  Parts Location

Code

See Page

Code

See Page

Code

See Page

B4

A

38

J12

40

R12

41

C7

A

38

L2

40

R13

41

C8

B

38

L3

40

R14

41

C11

38

L4

40

R19

41

F3

36

N4

41

R20

41

F4

36

P1

37

S13

39

H15

40

P2

37

J4

39

R11

41

: Relay Blocks

Code

See Page

Relay Blocks (Relay Block Location)

1

22

Engine Room R/B (Engine Compartment Left)

: Junction Block and Wire Harness Connector

Code

See Page

Junction Block and Wire Harness (Connector Location)

2E

28

Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)

2G

28

Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)

2K

28

Floor No.1 Wire and Driver Side J/B (Lower Finish Panel)

2M

29

Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)

2R

29

Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)

3A

34 (w/ VSC)

3A

35 (w/o VSC)

Instrument Panel Wire and Passenger Side J/B (Instrument Panel Brace RH)

3B

34 (w/ VSC)

Instrument Panel Wire and Passenger Side J/B (Instrument Panel Brace RH)

3B

35 (w/o VSC)

: Connector Joining Wire Harness and Wire Harness

Code

See Page

Joining Wire Harness and Wire Harness (Connector Location)

IA4

46

Instrument Panel Wire and Floor No.1 Wire (Left Kick Panel)

System Outline

Service Hints

157

: Ground Points

Code

See Page

Ground Points Location

EB

44

Right Fender

EC

44

Left Fender

IA

46

Instrument Panel Reinforcement LH

IB

46

Instrument Panel Brace LH

ID

46

Instrument Panel Brace RH

BC

50

Front Side of Rear Quarter Wheel House LH

BE

50

Lower Back Panel Center

: Splice Points

Code

See Page

Wire Harness with Splice Points

Code

See Page

Wire Harness with Splice Points

E1

44

Engine Room Main Wire

B15

E4

44

Engine Room Main Wire

B17

I1

48

Floor No.1 Wire

B18

50

Floor No.1 Wire

I2

48

Engine Room Main Wire

B19

B13

50

Floor No.1 Wire

B20

158

Illumination

12

0A

 A

L

T

1

1

OFF

Tail

Head

Li

ght

C

ont

ro

l S

W

A

8

IB

Bo

d

y EC

U

B 4

(A

)

Combination SW

C11

B–

G

B

–

G

R

W–

B

W

14

14

A

Junction
Connector

J 4

TAIL

TRLY

Battery

FL MAIN
3. 0W

1

2

2E

1

5

1

3

2

10A
PANEL

TAIL
Relay

2M

2

9

8

2

3

5

6

6

5

G

G

G

G

W–

G

W–

G

W–

G

W–

G

Ha

z

a

rd

 S

W

H1

3

R

ear

 S

uns

h

ade 

C

ont

ro

l S

W

R 7

A

b

s

o

rb

e

r C

o

n

tro

l S

W

A2

3

R

e

m

o

te

 C

ont

ro

l 

Mi

rr

or

 S

W

R 8

16

IH1

4

IH1

3

G

W–

G

A/

C

 C

o

n

tr

o

l 

Asse

m

b

ly

A1

4

14

1

3A

58

3A

13

3A

23

3A

18

3A

38

3A

28

C

C

E

E

G

W–

G

G

W–

G

C

C

E

E

E

E

Junction
Connector

J 3

Junction
Connector

J 3

W–

G

A

18

RE

W–

G

ILL–

ILL+