Nissan Maxima Service and Repair Manual: Front door speaker

Description

The AV control unit sends audio signals to the front door speakers using the front door speaker circuits.

Diagnosis Procedure

1.CONNECTOR CHECK

Check the AV control unit and speaker connectors for the following:

  • Proper connection
  • Damage
  • Disconnected or loose terminals

2.HARNESS CHECK

Nissan Maxima. HARNESS CHECK

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

Nissan Maxima. HARNESS CHECK

Nissan Maxima. HARNESS CHECK

3.FRONT DOOR SPEAKER SIGNAL CHECK

Nissan Maxima. FRONT DOOR SPEAKER SIGNAL CHECK

  1. Connect AV control unit connector and front speaker connector.
  2. Turn ignition switch to ACC.
  3. Push POWER switch.
  4. Check the signal between AV control unit harness connector terminals with CONSULT or oscilloscope.

Nissan Maxima. FRONT DOOR SPEAKER SIGNAL CHECK

    Vertical synchronizing (VP) signal circuit

    Tweeter