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 B126 (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 - Sedan".

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 ...

    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:

    NISSAN vehicle immobilizer system
    The NISSAN Vehicle Immobilizer System will not allow the engine to start without the use of a registered key. Never leave these keys in the vehicle. FCC Notice: For USA: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This devic ...

    Fuel level sensor signal circuit
    Description The fuel level sensor unit and fuel pump detects the approximate fuel level in the fuel tank and transmits the fuel level signal to the combination meter. Component Function Check 1.COMBINATION METER INPUT SIGNAL 1. Select “METER/M&A” on CONSULT-III. 2. Using “FUEL M ...

    B210C starter control relay
    Description Starter control relay, integrated in IPDM E/R, permits the starter relay operation when in N or P position and the steering is locked or unlocked. It is installed in parallel with the starter relay. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B210C is displayed with DTC U10 ...