Infiniti G35 (V35) Sedan. Manual - part 67

 

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Infiniti G35 (V35) Sedan. Manual - part 67

 

 

AV-40

< COMPONENT DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

2.

CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

1.

Turn ignition switch OFF.

2.

Disconnect the harness connector between display unit and AV control unit.

3.

Check continuity between display unit harness connector M71 and AV control unit harness connector
M83. 

4.

Check continuity between display unit harness connector M71 and ground. 

Is inspection result OK?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK POWER SUPPLY CIRCUIT (AV CONTROL UNIT SIDE)

1.

Connect the AV control unit harness connector.

2.

Turn ignition switch ACC.

3.

Check voltage between AV control unit harness connector and ground.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Replacement of AV control unit.

4.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Display unit connector.

3.

Check continuity between Display unit harness connectors and ground.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

MULTIFUNCTION SWITCH

MULTIFUNCTION SWITCH : Diagnosis Procedure

INFOID:0000000000964551

1.

CHECK FUSE

Check for blown fuses.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse. 

Signal name

Display unit (M71)

AV control unit (M83)

Continuity

Inverter VCC

2

59

Continuity should exist.

Signal VCC

3

47

Continuity should exist.

Signal name

Display unit (M71)

Continuity

Inverter VCC

2

Ground

Continuity should not exist.

Signal VCC

3

Ground

Continuity should not exist.

Signal name

Connector No.

Terminal No.

Ignition switch position

Value (Approx.)

Inverter VCC

M83

59

ACC

9 V

Signal VCC

47

Signal name

Connector No.

Terminal No.

Ignition switch position

Continuity 

Ground

M71

1

OFF

Continuity should exist.

Power source

Fuse No.

Ignition switch ACC or ON

19

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-41

< COMPONENT DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

N

A

O

P

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between multifunction switch harness connector and ground.

Is inspection result OK?

YES

>> GO TO 3.

NO

>> Check harness between multifunction switch and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect multifunction switch connector.

3.

Check continuity between multifunction switch harness connector and ground.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

SATELLITE RADIO TUNER

SATELLITE RADIO TUNER : Diagnosis Procedure

INFOID:0000000000964552

1.

CHECK FUSE

Check for blown fuses.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse. 

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between satellite radio tuner harness connector and ground.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Check harness between satellite radio tuner and fuse.

Signal name

Connector No.

Terminal No.

Ignition switch position

Value (Approx.)

ACC power supply

M72

3

ACC

12 V

Signal name

Connector No.

Terminal No.

Ignition switch position

Continuity 

Ground

M72

1

OFF

Continuity should exist.

Power source

Fuse No.

Battery

34

Ignition switch ACC or ON

19

Signal name

Connector No.

Terminal No.

Ignition switch position

Value (Approx.)

Battery power supply

B236

12

OFF

12 V

ACC power supply

B236

16

ACC

12 V

AV-42

< COMPONENT DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

RGB (R: RED) SIGNAL CIRCUIT

RGB (R: RED) SIGNAL CIRCUIT

Description

INFOID:0000000000964553

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

Diagnosis Procedure

INFOID:0000000000964554

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 terminal 17 and AV control unit harness connec-
tor terminal 40.

4.

Check continuity between display unit harness connector terminal 17 and ground.

Is inspection result OK?

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 terminal 17 and ground.

Is inspection result OK?

YES

>> Replace display unit.

NO

>> Replace AV control unit.

17 - 40

: Continuity should exist.

17 - Ground

: Continuity should not exist.

17 - Ground

SKIB2238J

AV

RGB (G: GREEN) SIGNAL CIRCUIT

AV-43

< COMPONENT DIAGNOSIS >

[BASE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

N

A

O

P

RGB (G: GREEN) SIGNAL CIRCUIT

Description

INFOID:0000000000964555

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

Diagnosis Procedure

INFOID:0000000000964556

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 terminal 6 and AV control unit harness connec-
tor terminal 39.

4.

Check continuity between display unit harness connector terminal 6 and ground.

Is inspection result OK?

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 terminal 6 and ground.

Is inspection result OK?

YES

>> Replace display unit.

NO

>> Replace AV control unit.

6 - 39

: Continuity should exist.

6 - Ground

: Continuity should not exist.

6 - Ground

SKIB2236J

 

 

 

 

 

 

 

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