Nissan Altima 2007-2012 Service Manual: AV control unit

Diagnosis Procedure

1.CHECK FUSE

Check that the following fuses of the AV control unit are not blown.

Are the fuses 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 AV control unit harness connector and ground.

Are the voltage tests as specified? YES >> GO TO 3

NO >> Check harness between AV control unit and fuse.

3.CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect AV control unit connectors.

3. Check continuity between AV control unit harness connector M47 terminal 19 and ground.

Does continuity exist? YES >> Inspection End.

NO >> Repair harness or connector.

    Rear view camera control unit
    Diagnosis Procedure 1.CHECK FUSE Check that the following fuses of the rear view camera control unit are not blown. Are the fuses OK? YES >> GO TO 2 NO >> Be sure to eliminate ca ...

    Other materials:

    Lan system circuit
    Description SYMPTOM: Mode door motor, intake door motor and/or air mix door motor does not operate normally. Diagnosis Procedure DIAGNOSIS PROCEDURE FOR LAN CIRCUIT 1.CHECK POWER SUPPLY FOR DOOR MOTORS 1. Press ignition switch ON. 2. Check voltage between front air control connector M37 ...

    Tweeter (sedan)
    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 tweeters using the audio signal circuits. Diagnosis Procedure 1.HARNESS CHECK 1. Disconnect BOSE speaker amp. connector B122 and suspect tweet ...

    Park/neutral position (PNP) switch
    Exploded View 1. Washer 2. Manual lever 3. PNP switch 4. CVT assembly Removal and Installation Refer to the figure for removal and installation. NOTE: • Align PNP switch position when installing. • After installation of PNP switch, check the continuity of PNP switch. • Afte ...