Nissan Maxima Service and Repair Manual: Microphone signal circuit

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

Nissan Maxima. 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 B126 (A) and microphone harness connector R7 (B)
  4. Check continuity between Bluetooth control unit harness connector B126 (A) and ground.

Nissan Maxima. CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE

Nissan Maxima. CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE

2.CHECK MICROPHONE POWER SUPPLY

Nissan Maxima. 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.

Nissan Maxima. CHECK MICROPHONE POWER SUPPLY

3.CHECK MICROPHONE SIGNAL

Nissan Maxima. CHECK MICROPHONE SIGNAL

Check signal between Bluetooth control unit harness connector B126 terminals 7 and 8.

Nissan Maxima. CHECK MICROPHONE SIGNAL 

    Steering switch
    Description When one of the steering wheel audio control switches is pushed, the resistance in steering switch circuit changes depending on which button is pushed. Diagnosis Procedure 1.CHECK S ...

    ECU diagnosis information
    ...

    Other materials:

    Precaution
    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk or severity of injury to the driver ...

    B2193 chain of ECM-IMMU
    Description BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK. ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if ignition switch is turned ON. DTC Logic DTC DETECTION LOGIC ...

    Starting the vehicle
    1. After starting the engine, fully depress the foot brake pedal before moving the shift lever out of the P (Park) position. 2. Keep the foot brake pedal depressed and move the shift lever into a driving gear. 3. Release the parking brake and the foot brake pedal, then gradually start the ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0111