Nissan Maxima Service and Repair Manual: 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:

    Warning signals
    To help prevent the vehicle from moving unexpectedly by erroneous operation of the Intelligent Key or to help prevent the vehicle from being stolen, a chime or buzzer sounds from inside and outside the vehicle and a warning is displayed in the instrument panel. When a chime or beep sounds or ...

    Heater & cooling unit assembly
    Exploded View Wiring harness Mode door motor Upper floor connecting duct (LH) Air mix door motor (driver side) Heater core pipes cover Heater core In-cabin microfilter Filter cover Blower motor Intake door motor Blower unit Upper floor connecting duct (RH) Air mi ...

    Basic inspection
    INSPECTION AND ADJUSTMENT Operational Check DESCRIPTION The purpose of the operational check is to check that the individual system operates normally. Conditions: Engine running at normal operating temperature INSPECTION PROCEDURE 1.CHECK MEMORY FUNCTION Start the engine. Operate the t ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.008