Infiniti G35 (V35) Sedan. Manual - part 101

AV-176

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CD EJECT SIGNAL CIRCUIT

CD EJECT SIGNAL CIRCUIT

Description

INFOID:0000000000964681

The eject signal is output to AV control unit when the eject switch of multifunction switch is pressed.

Diagnosis Procedure

INFOID:0000000000964682

1.

CHECK CONTINUITY CD EJECT SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect multifunction switch connector and AV control unit connector.

3.

Check continuity between multifunction switch harness connector terminal 14 and AV control unit harness
connector terminal 103.

4.

Check continuity between multifunction switch harness connector terminal 14 and ground.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK AV CONTROL UNIT VOLTAGE 

1.

Connect multifunction switch connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between AV control unit harness connector terminal 103 and ground.

Is inspection result OK?

YES

>> Replace preset switch.

NO

>> Replace AV control unit.

14 - 103

: Continuity should exist.

14 - Ground

: Continuity should not exist.

103 - Ground

: Approx. 3.3 V

AV

MICROPHONE SIGNAL CIRCUIT

AV-177

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MICROPHONE SIGNAL CIRCUIT

Description

INFOID:0000000000964683

Supply power from TEL adapter unit to microphone. The microphone transmits the sound voice to the micro-
phone.

Diagnosis Procedure

INFOID:0000000000964684

1.

CHECK CONTINUITY BETWEEN TEL ADAPTER UNIT AND MICROPHONE CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect TEL adapter unit connector and microphone connector.

3.

Check continuity between TEL adapter unit harness connector terminals 7, 8, 29 and microphone harness
connector terminals 1, 2, 4.

4.

Check continuity between TEL adapter unit harness connector terminals 7, 29 and ground.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK VOLTAGE MICROPHONE VCC 

1.

Connect TEL adapter unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between TEL adapter unit harness connector terminal 29 and 8.

Is inspection result OK?

YES

>> GO TO 3.

NO

>> Replace TEL adapter unit.

3.

CHECK MICROPHONE SIGNAL 

1.

Connect microphone connector.

2.

Check signal between TEL adapter unit harness connector terminals 7 and 8.

Is inspection result OK?

YES

>> Replace TEL adapter unit.

NO

>> Replace microphone.

7 - 1

: Continuity should exist.

8 - 2

: Continuity should exist.

29 - 4

: Continuity should exist.

7, 29 - Ground

: Continuity should not exist.

29 - 8

: Approx. 5 V

7 - 8

PKIB5037J

AV-178

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CONTROL SIGNAL CIRCUIT

CONTROL SIGNAL CIRCUIT

Description

INFOID:0000000000964685

TEL adapter unit identifies the vehicle model according to the control signal and performs the control.

Diagnosis Procedure

INFOID:0000000000964686

1.

CHECK CONTINUITY CONTROL SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect TEL adapter unit connector.

3.

Check continuity between TEL adapter unit harness connector terminals 23, 24 and ground.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK VOLTAGE TEL ADAPTER UNIT

1.

Connect TEL adapter unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between TEL adapter unit harness connector terminal 23, 24 and ground.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Replace TEL adapter unit.

23, 24  - Ground

: Continuity should exist.

23, 24  - Ground

: Approx. 5 V

AV

COMMUNICATION SIGNAL CIRCUIT (CONT-SAT)

AV-179

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COMMUNICATION SIGNAL CIRCUIT (CONT-SAT)

Description

INFOID:0000000000964687

Satellite radio tuner and AV control unit are connected with a serial communication. They transmit the opera-
tion signal from AV control unit to satellite radio tuner, and transmit the display signal from satellite radio tuner
to AV control unit. 

Diagnosis Procedure

INFOID:0000000000964688

1.

CHECK CONTINUITY COMMUNICATION SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect satellite radio tuner connector and AV control unit connector.

3.

Check continuity between satellite radio tuner harness connector terminals 9, 10 and AV control unit har-
ness connector terminals 29, 30.

4.

Check continuity between satellite radio tuner harness connector terminals 9, 10 and ground.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK COMMUNICATION SIGNAL

1.

Connect satellite radio tuner connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between satellite radio tuner harness connector terminal 9 and ground.

Is inspection result OK?

YES

>> GO TO 3.

NO

>> Replace satellite radio tuner.

3.

CHECK COMMUNICATION SIGNAL

Check signal between satellite radio tuner harness connector terminal 10 and ground.

Is inspection result OK?

YES

>> Replace satellite radio tuner.

NO

>> Replace AV control unit.

9 - 29

: Continuity should exist.

10 - 30

: Continuity should exist.

9, 10 - Ground

: Continuity should not exist.

9 - Ground

SKIA9300J

10 - Ground

SKIA9301J