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 audio 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 audio 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 audio unit connector M133 and subwoofer speaker amp. connector B21.
  2. Check continuity between audio unit harness connector M133 (A) and subwoofer amp. harness connector B21 (B).
  3. Check continuity between audio unit harness connector M133 (A) terminal and ground.

Nissan Maxima. HARNESS CHECK

Nissan Maxima. HARNESS CHECK

5.SUBWOOFER SIGNAL CHECK

Nissan Maxima. SUBWOOFER SIGNAL CHECK

  1. Connect audio unit connector M133 and subwoofer amp. connector B21.
  2. Turn ignition switch to ACC.
  3. Push "POWER" switch.
  4. Check the signal between audio unit harness connector M133 terminals with CONSULT or oscilloscope.

Nissan Maxima. SUBWOOFER SIGNAL CHECK

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

    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 ...

    Other materials:

    Power window and door lock/unlock switch RH
    Removal and Installation REMOVAL Remove the front door grip cover. Refer to INT-18, "Removal and Installation". Remove the clip (A) from the door grip using suitable tool. Release the metal clip and lift the power window and door lock/ unlock switch (2) and switc ...

    Power supply and ground circuit
    POWER SUPPLY AND GROUND CIRCUIT AUDIO UNIT AUDIO UNIT : Diagnosis Procedure 1.CHECK FUSES Check that the following fuses are not blown. 2.POWER SUPPLY CIRCUIT CHECK Disconnect audio unit connector M133. Check voltage between the audio unit connector M133 and ground. 3.GROUND C ...

    Diagnosis and repair workflow
    Work Flow OVERALL SEQUENCE DETAILED FLOW 1. GET INFORMATION FOR SYMPTOM Get the detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred). 2. CHECK DTC Check DTC. Perform the following procedure if DTC is ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0093