Nissan Altima 2007-2012 Service Manual: Microphone signal circuit (coupe)

Description

Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal circuits.

Diagnosis Procedure

1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE

1. Turn ignition switch OFF.

2. Disconnect Bluetooth control unit connector and microphone connector.

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

4. Check continuity between Bluetooth control unit harness connector B55 (A) and ground.

Are the continuity test results as specified? YES >> GO TO 2

NO >> Repair harness or connector.

2.CHECK MICROPHONE POWER SUPPLY

1. Connect Bluetooth control unit connector and microphone connector.

2. Turn ignition switch ON.

3. Check voltage between microphone harness connector R7 terminal 4 and ground.

Is voltage reading approx. 5 volts? YES >> GO TO 3

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

3.CHECK MICROPHONE SIGNAL

Check signal between Bluetooth control unit harness connector B55 terminals 7 and 8.

Are voltage readings as specified? YES >> Replace Bluetooth control unit. Refer to AV-235, "Removal and Installation - Coupe".

NO >> Replace microphone. Refer to AV-233, "Removal and Installation".

    Sound signal circuit (sedan)
    SATELLITE RADIO TUNER  Description Left and right channel audio signals are supplied from the satellite radio tuner to the audio unit through the sound signal circuits. Diagnosis Procedur ...

    Microphone signal circuit (sedan)
    Description Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal circuits. Diagnosis Procedure 1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UN ...

    Other materials:

    P0011 IVT control
    DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0011 is displayed with DTC P0075, first perform the trouble diagnosis for EC-362, "DTC Logic". DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF a ...

    Audio system (coupe)
    System Diagram System Description AUDIO SYSTEM The audio system consists of the following components • Audio unit • BOSE speaker amp. • Window antenna • Steering wheel audio control switches • Door speakers • Front tweeters • Center speaker • Rear tweeters • Rear sub ...

    Cleaning exterior
    In order to maintain the appearance of your vehicle, it is important to take proper care of it. To protect the paint surfaces, please wash your vehicle as soon as you can: ● after a rainfall to prevent possible damage from acid rain. ● after driving on coastal roads. ● whe ...