Nissan Maxima Service and Repair Manual: DLC 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 data link connector for damage, bend and loose connection (connector side and harness side).

2.CHECK HARNESS FOR OPEN CIRCUIT

Check the resistance between the data link connector terminals.

    BCM branch line circuit

    M&A branch line circuit