Nissan Maxima Service and Repair Manual: Subwoofer

Nissan Maxima Service and Repair Manual / Driver information & multimedia / Audio, visual & navigation system / DTC/circuit diagnosis / Subwoofer

Description

The AV control unit sends audio signals to the subwoofer amp. The subwoofer amp. amplifies the audio signals before sending them to the subwoofers using the audio signal circuits.

Diagnosis Procedure

1.CONNECTOR CHECK

Check the AV control unit, subwoofer amp. and subwoofer connectors for the following:

  • Proper connection
  • Damage
  • Disconnected or loose terminals

2.HARNESS CHECK

Nissan Maxima. HARNESS CHECK

  1. Disconnect subwoofer amp. connector B21 and suspect subwoofer connector.
  2. Check continuity between subwoofer amp. harness connector B21 (A) and suspect subwoofer harness connector (B).
  3. Check continuity between subwoofer harness connector B21 (A) and ground.

Nissan Maxima. HARNESS CHECK

Nissan Maxima. HARNESS CHECK

3.REAR SUBWOOFER SIGNAL CHECK

Nissan Maxima. REAR SUBWOOFER SIGNAL CHECK

  1. Connect subwoofer amp. connector B21 and suspect subwoofer connector.
  2. Turn ignition switch to ACC.
  3. Push POWER switch.
  4. Check the signal between subwoofer amp. harness connector B21 terminals with CONSULT or oscilloscope.

Nissan Maxima. REAR SUBWOOFER SIGNAL CHECK

4.HARNESS CHECK

Nissan Maxima. HARNESS CHECK

  1. Disconnect AV control unit connector M115 and subwoofer speaker amp. connector B21.
  2. Check continuity between AV control unit harness connector M115 (A) and subwoofer amp. harness connector B21 (B).
  3. Check continuity between AV control unit harness connector M115 (A) terminal and ground

Nissan Maxima. HARNESS CHECK

Nissan Maxima. HARNESS CHECK

5.SUBWOOFER SIGNAL CHECK

Nissan Maxima. .SUBWOOFER SIGNAL CHECK

  1. Connect AV control unit connector M115 and subwoofer amp.

    connector B21.

  2. Turn ignition switch to ACC.
  3. Push "POWER" switch.
  4. Check the signal between AV control unit harness connector M115 terminals with CONSULT or oscilloscope.

Nissan Maxima. .SUBWOOFER SIGNAL CHECK

    Rear door speaker
    Description The AV control unit sends audio signals to the rear door speakers using the rear door speaker circuits. Diagnosis Procedure 1.CONNECTOR CHECK Check the AV control unit and speaker co ...

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

    Other materials:

    Front tweeter
    Removal and Installation REMOVAL Remove the front pillar finisher. Refer to INT-24, "Removal and Installation". Remove the front tweeter speaker grille. Refer to IP-10, "Exploded View". Remove the front tweeter speaker screws (A). Pull out front tweeter speak ...

    Break-in schedule
    CAUTION During the first 1,200 miles (2,000 km), follow these recommendations to obtain maximum engine performance and ensure the future reliability and economy of your new vehicle. Failure to follow these recommendations may result in shortened engine life and reduced engine performance. ...

    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 circuits. Diagnosis Procedure 1.CONNECTOR CHECK Check the audio unit, BOSE speaker amp. and speaker ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2023 Copyright www.nimainfo.com
    0.0051