Nissan Maxima Service and Repair Manual: AV branch line circuit

Diagnosis Procedure

1.CHECK CONNECTOR

  1. Turn the ignition switch OFF.
  2. Disconnect the battery cable from the negative terminal.
  3. Check the terminals and connectors of the AV control unit for damage, bend and loose connection (unit side and connector side).

2.CHECK HARNESS FOR OPEN CIRCUIT

  1. Disconnect the connector of AV control unit.
  2. Check the resistance between the AV control unit harness connector terminals.
    • Models with BOSE audio system - without navigation system

3.CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the AV control unit. Refer to the following.

  • Models without BOSE audio with color display: AV-231, "AV CONTROL UNIT : Diagnosis Procedure"
  • Models with BOSE audio with color display: AV-388, "AV CONTROL UNIT : Diagnosis Procedure"
  • Models with BOSE audio with color display with navigation system: AV-571, "AV CONTROL UNIT : Diagnosis Procedure"
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