Nissan Maxima Service and Repair Manual: 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 for the following:

• Proper connection
• Damage
• Disconnected or loose terminals

2.HARNESS CHECK

1. Disconnect audio unit connector M133 (A) and suspect speaker connector.
2. Check continuity between audio unit harness connector M133 (A) and suspect speaker harness connector (B).
3. Check continuity between audio unit harness connector M133 (A) and ground.

3.REAR DOOR SPEAKER SIGNAL CHECK

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