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 microphone and AV control unit harness connectors.

3. Check continuity between microphone harness connector R7 (A) terminal 4 and AV control unit harness connector M46 (B) terminal 46.

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

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

NO >> Repair harness or connector.

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

1. Connect AV control unit harness connector.

2. Turn ignition switch to ACC.

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

Is voltage approximately 5 volts? YES >> Inspection End.

NO >> Replace AV control unit. Refer to AV-437, "Removal and Installation".

4.CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect microphone harness connector R7 and AV control unit harness connector M46.

3. Check continuity between microphone harness connector R7 (A) terminal 2 and AV control unit harness connector M46 (B) terminal 47.

Does continuity exist? YES >> Inspection End.

NO >> Repair harness or connector.

    CD changer
    Diagnosis Procedure 1.CHECK FUSE Check that the following fuses of the CD changer are not blown. Are the fuses OK? YES >> GO TO 2 NO >> Be sure to eliminate cause of malfunction bef ...

    Door speaker (coupe)
    Description The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the door speakers using the audio signal circuit ...

    Other materials:

    Telescopic operation
    Pull the lock lever down 1 and adjust the steering wheel forward or backward 3 to the desired position. Push the lock lever up 1 firmly to lock the steering wheel in place. WARNING Do not adjust the steering wheel any closer to you than is necessary for proper steering operation and comfor ...

    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 ...

    On-vehicle repair
    WHEEL HUB Removal and Installation 1. Knuckle 2. Baffle plate 3. Wheel hub assembly 4. Brake rotor 5. Wheel nut 6. Anchor block 7. ABS sensor 8. Parking brake cable A. Refer to PB-6, "PEDAL TYPE : Exploded View" (Pedal type), PB-7, "LEVER TYPE : Exploded View" (Leve ...