Nissan Maxima Service and Repair Manual: Power supply and ground circuit

AUDIO UNIT

AUDIO UNIT : Diagnosis Procedure

1.CHECK FUSES

Nissan Maxima. .CHECK FUSES

2.POWER SUPPLY CIRCUIT CHECK

Nissan Maxima. .POWER SUPPLY CIRCUIT CHECK

  1. Disconnect audio unit connector M132.
  2. Check voltage between the audio unit connector M132 and ground.

Nissan Maxima. .POWER SUPPLY CIRCUIT CHECK

3.GROUND CIRCUIT CHECK

Inspect audio unit case ground.

DISPLAY UNIT

DISPLAY UNIT : Diagnosis Procedure

1.CHECK FUSES

Check that the following fuses are not blown.

Nissan Maxima. CHECK FUSES

2.POWER SUPPLY CIRCUIT CHECK

Nissan Maxima. .POWER SUPPLY CIRCUIT CHECK

  1. Turn ignition switch OFF.
  2. Disconnect display unit connector.
  3. Check voltage between the display unit and ground.

Nissan Maxima. .POWER SUPPLY CIRCUIT CHECK

3.GROUND CIRCUIT CHECK

Nissan Maxima. GROUND CIRCUIT CHECK

  1. Turn ignition switch OFF.
  2. Check continuity between display unit harness connector and ground.

Nissan Maxima. GROUND CIRCUIT CHECK

BOSE SPEAKER AMP

BOSE SPEAKER AMP : Diagnosis Procedure

1.CHECK FUSE

Check for blown fuses.

Nissan Maxima. CHECK FUSE

2.CHECK POWER SUPPLY CIRCUIT

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect BOSE speaker amp connector.
  3. Check voltage between BOSE speaker amp harness connector and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

3.CHECK GROUND CIRCUIT

Nissan Maxima. CHECK GROUND CIRCUIT

Check continuity between BOSE speaker amp harness connector and ground.

Nissan Maxima. CHECK GROUND CIRCUIT

BLUETOOTH CONTROL UNIT

BLUETOOTH CONTROL UNIT : Diagnosis Procedure

1.CHECK FUSE

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

Nissan Maxima. .CHECK FUSE

2.CHECK POWER SUPPLY CIRCUIT

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

Check voltage between Bluetooth control unit harness connector and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

3.CHECK GROUND CIRCUIT

Nissan Maxima. CHECK GROUND CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect Bluetooth control unit connector B131.
  3. Check continuity between Bluetooth control unit harness connector and groun

Nissan Maxima. CHECK GROUND CIRCUIT

MICROPHONE

MICROPHONE : Diagnosis Procedure

1.CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)

Check voltage between microphone harness connector and ground

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)

2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

Nissan Maxima. 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 B131 (B) terminal 29.
  4. Check continuity between microphone harness connector R7 (A) terminal 4 and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

3.CHECK GROUND CIRCUIT

Nissan Maxima. CHECK GROUND CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect Bluetooth control unit and microphone connectors.
  3. Check continuity between Bluetooth control unit harness connector B131 (A) terminal 8 and microphone harness connector R7 (B) terminal 2.

Nissan Maxima. CHECK GROUND CIRCUIT

    DTC/circuit diagnosis
    ...

    Front door speaker
    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 front door speakers using the audio signal cir ...

    Other materials:

    Glass lid
    Removal and Installation REMOVAL CAUTION: Always work with a helper. Handle glass lid with care to prevent damage. NOTE: For easier and more accurate installation, always mark each point before removal. Open sunshade. Tilt glass lid up, then slide rearward to expose all the g ...

    B2557 vehicle speed
    Description BCM receives the 2 vehicle speed signals via CAN communication. One signal is transmitted by the "combination meter". Another signal is transmitted by "ABS actuator and electric unit (control unit)". BCM compares both signals to detect the vehicle speed. DTC Logic DTC DETECTIO ...

    Manual operation
    Fan speed control Press the fan speed control buttons to manually control the fan speed. Press the AUTO button to return to automatic control of the fan speed. Air recirculation Press the  air recirculation button to recirculate interior air inside the vehicle. The indicator l ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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