Nissan Altima 2007-2012 Service Manual: Microphone

Diagnosis Procedure

1.CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)

Check voltage between microphone harness connector and ground.

Is proper voltage present? YES >> GO TO 4

NO >> GO TO 2

2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

1. Turn ignition switch OFF.

2. Disconnect Bluetooth control unit and microphone connectors.

3. Check continuity between microphone harness connector R7 (A) terminal 4 and Bluetooth control unit harness connector B55 (B) terminal 29.

4. Check continuity between microphone harness connector R7 (A) terminal 4 and ground.

Are continuity results as specified? YES >> GO TO 3

NO >> Repair harness or connector.

3.CHECK POWER SUPPLY CIRCUIT (BLUETOOTH CONTROL UNIT SIDE)

1. Connect Bluetooth control unit connector.

2. Turn ignition switch ON.

3. Check voltage between Bluetooth control unit harness connector and ground.

Is proper voltage present? YES >> Inspection End.

NO >> Replace Bluetooth control unit. Refer to AV-235, "Removal and Installation - Coupe".

4.CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect Bluetooth control unit and microphone connectors.

3. Check continuity between microphone harness connector R7 terminal 2 and Bluetooth control unit harness connector B126 terminal 8.

Is continuity present? YES >> Inspection End.

NO >> Repair harness or connector.

    Bluetooth control unit
    Diagnosis Procedure 1.CHECK FUSE Check that the following fuses of the Bluetooth control unit are not blown. Are the fuses OK? YES >> GO TO 2 NO >> Be sure to eliminate cause of mal ...

    Other materials:

    Anti-pinch system does not operate normally (driver side)
    Diagnosis Procedure 1. PERFORM INITIALIZATION PROCEDURE Perform initialization procedure. Refer to PWC-21, "POWER WINDOW MAIN SWITCH : Special Repair Requirement". Is the inspection result normal? YES >> GO TO 2 NO >> Repair or replace the malfunctioning parts. 2. C ...

    On-vehicle maintenance
    ENGINE COOLANT System Inspection • Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure fluid escaping from the radiator. • Wrap a thick cloth around the cap. Slowly push down and turn it a quarter turn to allow built-up pressure to escap ...

    Does not operate by key cylinder switch
    Diagnosis Procedure 1. PERFORM INITIALIZATION PROCEDURE Perform initialization procedure. Refer to PWC-190, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement". Is the inspection result normal? YES >> GO TO 2 NO >> Repair or replace the ma ...