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:

    Intake valve timing control
    System Diagram System Description INPUT/OUTPUT SIGNAL CHART *: This signal is sent to the ECM via the CAN communication line SYSTEM DESCRIPTION This mechanism hydraulically controls cam phases continuously with the fixed operating angle of the intake valve. The ECM receives s ...

    Passenger compartment
    WARNING Never use a fuse of a higher or lower amperage rating than specified on the fuse box cover. This could damage the electrical system or electronic control units or cause a fire. If any electrical equipment does not operate, check for an open fuse. 1. Be sure the ignition switch ...

    B2562 Low voltage
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. DTC CONFIRMATION Erase DTC. Turn ignition switch OFF. Perform the "SELF-DIAG RESULTS" of BCM with CONSULT, after the ignition switch has been turned ON for 1.5 seconds or more. Diagnosis Procedure 1. CHECK ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2022 Copyright www.nimainfo.com
    0.0065