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:

    B2555 stop lamp
    Description BCM detects the stop lamp status and confirms the stop lamp switch ON/OFF status. BCM confirms the engine start condition according to the stop lamp switch ON/OFF status. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION PROCEDURE   ...

    Power window serial link
    POWER WINDOW MAIN SWITCH POWER WINDOW MAIN SWITCH : Description Main power window and door lock/unlock switch, power window and door lock/unlock switch RH and BCM communicate via the power window serial link. The keyless power window down signal is transmitted from BCM to main power ...

    Insufficient cooling
    Component Function Check Symptom Insufficient cooling No cool air comes out. (Airflow volume is normal.) INSPECTION FLOW 1. CONFIRM SYMPTOM BY PERFORMING OPERATION CHECK - TEMPERATURE DECREASE Press the AUTO switch. Turn temperature control switch (driver side) counterclockwise u ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0076