Infiniti EX35. Manual - part 192

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-549

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

NO

>> Repair or replace sonar control unit power supply harness.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect sonar control unit connector.

3.

Check continuity between sonar control unit harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace sonar control unit ground harness.

Sonar control unit

Ground

Continuity

Connector

Terminal

M47

24

Existed

AV-550

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

RGB (R: RED) SIGNAL CIRCUIT

RGB (R: RED) SIGNAL CIRCUIT

Description

INFOID:0000000003160701

Transmit the image displayed with AV control unit with RGB signal to the display unit.

Diagnosis Procedure

INFOID:0000000003160702

1.

CHECK CONTINUITY RGB (R: RED) SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect display unit connector and AV control unit connector.

3.

Check continuity between display unit harness connector and AV control unit harness connector.

4.

Check continuity between display unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB (R: RED) SIGNAL

1.

Connect display unit connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between display unit harness connector and ground.

Is inspection result normal?

YES

>> Replace display unit.

NO

>> Replace AV control unit.

Display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M75

17

M88

61

Existed

Display unit

Ground

Continuity

Connector

Terminal

M75

17

Not existed

(+)

(

−

)

Condition

Reference value

Display unit

Connector

Terminal

M75

17

Ground

Start confirmation/adjust-
ment mode, and then dis-
play color bar by 
selecting “Color Spec-
trum Bar” on DISPLAY 
DIAGNOSIS screen.

SKIB2238J

AV

RGB (G: GREEN) SIGNAL CIRCUIT

AV-551

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

RGB (G: GREEN) SIGNAL CIRCUIT

Description

INFOID:0000000003513830

Transmit the image displayed with AV control unit with RGB signal to the display unit.

Diagnosis Procedure

INFOID:0000000003160704

1.

CHECK CONTINUITY RGB (G: GREEN) SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect display unit connector and AV control unit connector.

3.

Check continuity between display unit harness connector and AV control unit harness connector.

4.

Check continuity between display unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB (G: GREEN) SIGNAL

1.

Connect display unit connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between display unit harness connector and ground.

Is inspection result normal?

YES

>> Replace display unit.

NO

>> Replace AV control unit.

Display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M75

6

M88

62

Existed

Display unit

Ground

Continuity

Connector

Terminal

M75

6

Not existed

(+)

(

−

)

Condition

Reference value

Display unit

Connector

Terminal

M75

6

Ground

Start confirmation/adjust-
ment mode, and then dis-
play color bar by 
selecting “Color Spec-
trum Bar” on DISPLAY 
DIAGNOSIS screen.

SKIB2236J

AV-552

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

RGB (B: BLUE) SIGNAL CIRCUIT

RGB (B: BLUE) SIGNAL CIRCUIT

Description

INFOID:0000000003513831

Transmit the image displayed with AV control unit with RGB signal to the display unit.

Diagnosis Procedure

INFOID:0000000003160706

1.

CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect display unit connector and AV control unit connector.

3.

Check continuity between display unit harness connector and AV control unit harness connector.

4.

Check continuity between display unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB (B: BLUE) SIGNAL

1.

Connect display unit connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between display unit harness connector and ground.

Is inspection result normal?

YES

>> Replace display unit.

NO

>> Replace AV control unit.

Display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M75

18

M88

63

Existed

Display unit

Ground

Continuity

Connector

Terminal

M75

18

Not existed

(+)

(

−

)

Condition

Reference value

Display unit

Connector

Terminal

M75

18

Ground

Start confirmation/adjust-
ment mode, and then dis-
play color bar by 
selecting “Color Spec-
trum Bar” on DISPLAY 
DIAGNOSIS screen.

SKIB2237J