Lexus ES300 (2002 year). Manual - part 35

246

Rear Window Defogger and Mirror Heater

40A
DEF

From Power Source System (See Page 56)

1

2

3

5

10A
MIR HTR

2M

8

2R

8

2C

4

2J

2

2K

18

2S

2

10A
GAUGE2

Rear Window
Defogger

IA

IC1

3

IP2

3

IC1

11

IP2

11

3A

24

3A

55

BA

SB

W–

B

W–

B

W

–

B

W–

B

W–

B

W–

B

B–

Y

B–

Y

B–

Y

B–

Y

Y–

G

B

SB

W–

B

DEF
Relay

No

is

e

Fi

lte

r 1

No

is

e

Fi

lte

r 2

1

1

1

1

5

2

2

2

21

W–

B

Choke Coil

C13

A/

C

 C

o

n

tr

o

l 

As

s

e

m

b

ly

A1

5

Mi

rr

or

 H

eat

er

 LH

M 3

(A

), 

(B

)

Mi

rr

or

 H

eat

er

 R

H

M 4

(A

), 

(B

)

GND

RDEF

* 1 : w/ Driving Position Memory
* 2 : w/o Driving Position Memory

IF

W–

B

B

5

(* 2)

A

3

(* 1)

B

5

(*2)

A

3

(*1)

A

9

(* 1)

B

4

(* 2)

A

9

(*1)

B

4

(*2)

247

DEF Relay

3–1 : Closed with the ignition SW at on and rear window defogger SW (A/C control assembly) on

M3 (A), (B)  Mirror Heater LH
M4 (A), (B)  Mirror Heater RH

(A) 3, (B) 5–Ground : Approx. 12 volts with the rear window defogger SW (A/C control assembly) on
(A) 9, (B) 4–Ground : Always continuity

  :  Parts Location

Code

See Page

Code

See Page

Code

See Page

A15

38

M3

A

41

M4

A

41

C13

40

M3

B

41

M4

B

41

: Junction Block and Wire Harness Connector

Code

See Page

Junction Block and Wire Harness (Connector Location)

2C

28

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

2J

28

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

2K

28

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

2M

2R

29

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

2S

(

)

3A

34 (w/ VSC)

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

3A

35 (w/o VSC)

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

: Connector Joining Wire Harness and Wire Harness

Code

See Page

Joining Wire Harness and Wire Harness (Connector Location)

IC1

46

Front Door LH Wire and Floor No.1 Wire (Left Kick Panel)

IP2

48

Front Door RH Wire and Instrument Panel Wire (Right Kick Panel)

: Ground Points

Code

See Page

Ground Points Location

IA

46

Instrument Panel Reinforcement LH

IF

46

Instrument Panel Reinforcement RH

BA

50

Under the Driver’s Seat

Service Hints

248

Cellular Mobile Telephone

10A
ECU–IG

From Power Source System (See Page 56)

2K

12

5A
TEL

1D

5A
ECU–ACC

2H

6

C

2

C

6

C

3

B

7

B

14

C

1

C

4

B

11

Rear Door
Speaker LH

R17

G

G–

W

B

Y

Y–

B

G–

B

B–

R

GR

B

6

B

3

B

12

C

5

BE

MACC

SGND

5

1

W–

B

L–

Y

Telephone Microphone

T 5

A

4

A

3

B

4

B

3

S

h

o

rt Con

nec

to

r

G–

W

G

R

L–

Y

L–

Y

G–

B

R–

B

W–

B

G

O

L

Y

G–B

G–B

+B

MUTE

SPIN–

SPIN+

IG

ACC

GND

MICGND

MACC

SW–

TLSW

ACC

26

IG

12

MIGND

19

24

GND1

+B

13

SPI+

1

SPI–

14

MUTE

18

TLSW

3

SW–

16

MACC

5

Telephone Computer

1

2

D

1

D

4

B

Y

B

Y

2

15

SPOUT+

SPOUT–

R–

W

B

SP+

SP–

(*5

)

5

ID1

4

G–

B

B

5

MIC+

4

B

MICIN

W

MIC–

2

R

6

MICIN

G–B

G

SG

(*5

)

IA2

9

IA2

4

PH+

12

11

PH–

Combination SW

C10

G

G–

W

IA2

2

IA2

7

IA2

3

Y–

B

MUTE

6

RL–

RL+

Radio and
Player

R 2

IO2

8

IO2

3

II1

5

Y

Y–

B

B

Stereo Component
Amplifier

S10(A), S11(B)

BA1

1

BA1

5

B

(*1

)

(*2

)

(*4

)

T

e

lepho

ne C

o

m

p

ute

r

T1

0

(A

), T

1

1

(B

), T

1

2

(C

), T

1

3

(D

), T

1

4

(E

), T

1

5

(F

)

Y–B

(* 3)

B

4

L–

R

A14
A/C Control
Assembly

5

TELI

L–

R

IA2

8

G

TELI

TELI

4

B

2

A

4

B

6

(* 6)

A

11

(* 7)

(*2

)

Y

(*1

)

RL+

S19
Stereo Component
Amplifier

RL–

4

11

Y(* 1)

B(* 1)

249

A

1

A

10

A

11

A

2

A

3

A

4

A

5

A

6

A

7

A

8

A

12

A

13

A

14

A

15

A

17

OPT

HSW

R–A–

R–A+

HLED

PWR

CHAG

NOSR

T–A–

T–A+

C+B

GND

DT–

DNDT

UPDT

1

10

11

2

3

4

5

6

7

8

12

13

14

15

17

Cellular Phone (Hand Set)

C 4

G

R

BR

(*5

)

B–

R

(*5

)

W

O

R–

W

B

GR

(*5

)

O

R

Y

F

7

W

3

B

6 F

BR

7

G

5 F

R

2

R

15 F

L

8

SYNC

8 F

Y

1

VR

16 F

6

VG

V

3 E

B

7 E

G

2 E

R

8 E

SYNC

1 E

VR

6 E

VG

7

1

4

2

BC1

5

6

B16

V

(*5

)

(*5

)

S+

S–

GND

PCM
_ RA

PCM
_ TA

VCHG

VBATT

ID
VAL

GND

PCM
CLK

PCM
SYNC

CALL

R

ASYNC
_TXD

3

4

ASYNC
_ RXD

G

14

GND

GR

–

L

5

CALL

G

6

PCM_
SYNC

G

1

PCM_
CLK

R

12

GND

L–

O

20

ID_
VAL

B

10

VBAT

O

11

VCHG

Y

18

PCM_ TA

G

2

PCM_ RA

R

13

GND

B–

Y

19

S–

L

22

S+

W

(*5

)

(*5

)

(*5

)

GR

–

L

B–

Y

B1

G1

R1

SYNC1

VR1

VG1

B

G

R

SYNC

VR

VG

Navigation ECU

N 2

L–

O

B

Y

G

R

W

(*5

)

Telephone Computer

Telephone Computer

Telephone
Computer

21

VG

10

VR

8

SYNC

9

R

G

22

23

B

GR

–

L

GR

–

L

Y

W

R

BR

L

(*5

)

(*3

)

(*3

)

(*3

)

(*3

)

(*3

)

(*3

)

(*3

)(

*3

)

*  1 : MARK LEVINSON
*  2 : Except MARK LEVINSON
*  3 : w/ LEXUS Navigation System
*  4 : w/o LEXUS Navigation System

A

3

IO3

6

7 A

A

2

A

8

A

1

A

6

2 IO3

(*3

)

BC1

(*3

)

5

BC1

IO3

(*3

)

1

BC1

IO3

(*3

)

7

BC1

IO3

BC1

B16

I 3

(*5

)

(*3

)

(*3

)

Y

B

(*3

)

R

W

G

(*3

)

(*3

)

(*3

)

(*3

)

Y

B

(*3

)

R

(*5

)

W

G

(*3

)

(*3

)

(*5

)

BR

(*5

)

BR

D

6

TLMT

IO3

8

*  5 : Shielded

B

10

IO3

10 A

TX–

20

10 E

TX–

R

(*3

)

BC1

9

TX–

R

(*3

)

R

(*3

)

L–

O

3 IO3

5 A

TX+

7

5 E

TX+

W

(*3

)

BC1

3

TX+

W

(*3

)

W

(*3

)

1 F

LG

–R

5

TX+

TX1+

(*3

)

9 F

LG

10

TX–

TX1–

(*3

)

Y–

B

(*3

)

(*3

)

(*3

)

*  6 : 1CD Type w/o LEXUS Navigation System
*   7  :  Except  * 6

Radio and Player with Display

R 3(A), R 6(D)

T

e

lepho

ne C

o

m

p

ute

r

T1

0

(A

), T

1

1

(B

), T

1

2

(C

), T

1

3

(D

), T

1

4

(E

), T

1

5

(F

)

ASYNC
TXD

ASYNC
RXD

GND