Lexus ES300 (2002 year). Service manual - part 37

255

(MARK LEVINSON w/ LEXUS Navigation System)

D

5

D

15

D

7

IN1

4

IN1

1

IN1

2

D

20

IC

II1

8

A

21

19 A

A

6

A

24

A

11

A

23

A

12

B

11

B

4

B

2

IO2

8

IO1

2

IO2

3

B

12

IO2

5

B

1

B

8

A

2

A

15

A

1

A

14

IO1

1

IO1

3

IO2

7

IO2

2

IO2

1

IO2

6

IP1

11

IP1

1

IB1

11

IB1

1

IP1

20

IP1

10

1

2

1

3

1

3

GND

E

FR+

FR–

TFL+

TFL–

TFR+

TFR–

V–W

W–L

V–W

GR

R

B

W

G

Y

B

V–W

R–L

W–L

V–W

GR

BR

W–

B

BR

BR

L–

W

L–

Y

P

V

LG

L

L–

W

L–Y

P

V

LG

LL

LG

V

P

L–

Y

L–

W

R

W

L

L

W

R

R

B

W

G

Y

B

R–

L

Y

B

R–

L

R

W

TX+

TX–

MUTE

MUTE

TX–

TX+

L–

R+

R–

L+

RL–

RL+

FL+

Stereo Component Amplifier

S18(A), S19(B)

Front Door
Speaker RH

F12

Tweeter LH

T18

Tweeter LH

T19

R 3(A), R 4(B), R 5(C), R 6(D)
Radio and Player with Display

256

LEXUS Navigation System, Radio and Player

B

13

BD

BB

B

3

B

10

B

5

B

6

BB1

1

BB1

5

1

2

1

2

B

9

A

20

B

7

B

16

A

13

IO1

4

IN1

3

IO2

4

IO2

10

B21

25A
AMP

From Power Source System (See Page 56)

2B

4

A

A

40

V–W

W–L

V–W

GR

W–B

R

W

R

W

W–

B

L–

B

L–

R

V

–

W

L–

Y

L

–

Y

L–

Y

L–

Y

GR

W–

L

W

–

L

GR

V–

W

W

GND

RR+

RR–

WF+

WF–

FL–

ACC

B+

B+

SPD

Combination Meter

C 7

Woofer Speaker

W 6

Rear Door
Speaker RH

R18

Junction
Connector

J13

3A

42

3A

32

3A

41

3A

82

V–

W

V–

W

V–

W

S

peedo

m

e

te

r

3B

84

3B

64

3B

54

3B

74

ID

W

BR

(* 1)
(* 2)

(* 1)
(* 2)

21

Stereo Component Amplifier

S18(A), S19(B)

* 1 : w/ VSC
* 2 : w/o VSC

W

33

W

20

3A

87

3A

86

3A

57

3A

56

10A
GAUGE1

2M

1

10A
ECU–B

2M

6

W

W

From Power Source System (See Page 56)

Power

Micro Computer

257

(MARK LEVINSON w/ LEXUS Navigation System)

R6 (D)  Radio and Player with Display

(D) 1–Ground : Always approx. 12 volts
(D)11–Ground : Approx. 12 volts with ignition SW at ON or ACC position
(D)20–Ground : Always continuity

N2 (A) Navigation ECU

(A)18–Ground : Approx. 12 volts with ignition SW at ON or ACC position
(A) 9–Ground : Always approx. 12 volts
(A)17–Ground : Always continuity

S18 (A), S19 (B)  Stereo Component Amplifier

(B) 7, (B) 16–Ground : Always approx. 12 volts

(A) 20–Ground : Approx. 12 volts with ignition SW at ON or ACC position

(B)12, (B) 13–Ground: Always continuity

  :  Parts Location

Code

See Page

Code

See Page

Code

See Page

C3

38

R3

A

39

T11

B

41

C7

38

R4

B

39

T12

C

41

F11

40

R5

C

39

T13

D

41

F12

40

R6

D

39

T14

E

41

J6

A

39

R17

41

T15

F

41

J7

B

39

R18

41

T18

41

J12

40

S14

A

41

T19

41

J13

40

S15

B

41

W6

41

N2

A

41

S18

A

41

N3

B

41

S19

B

41

: Junction Block and Wire Harness Connector

Code

See Page

Junction Block and Wire Harness (Connector Location)

2A

28

2B

28

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

2M

29

(

)

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)

IA1

IA2

46

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

IA4

(

)

IB1

46

Front Door LH Wire and Instrument Panel Wire (Left Kick Panel)

II1

48

Instrument Panel Wire and Instrument Panel No.2 Wire (Behind the A/C Control Assembly)

IN1

48

Instrument Panel No.2 Wire and Floor No.2 Wire (Right Kick Panel)

IO1

IO2

48

Instrument Panel Wire and Floor No.2 Wire (Right Kick Panel)

IO3

( g

)

IP1

48

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

BA1

50

Rear Door No.2 Wire and Floor No.1 Wire (Left Center Pillar)

BB1

50

Rear Door No.1 Wire and Floor No.2 Wire (Right Center Pillar)

BC1

50

Floor No.1 Wire and Floor No.2 Wire (Behind the Rear Passenger’s Seat RH)

Service Hints

258

LEXUS Navigation System, Radio and Player
(MARK LEVINSON w/ LEXUS Navigation System)

: Ground Points

Code

See Page

Ground Points Location

IC

46

Instrument Panel Brace RH

ID

46

Instrument Panel Brace RH

BB

50

Under the Front Passenger’s Seat

BC

50

Front Side of Rear Quarter Wheel House LH

BD

50

Front Side of Rear Quarter Wheel House RH

: Splice Points

Code

See Page

Wire Harness with Splice Points

Code

See Page

Wire Harness with Splice Points

I3

48

Instrument Panel Wire

B16

50

Floor No.1 Wire

I4

48

Instrument Panel No.3 Wire

B21

50

Floor No.2 Wire