Nissan Maxima Service and Repair Manual: Combination switch input circuit

Diagnosis Procedure

1. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN

Nissan Maxima. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN

  1. Turn the ignition switch OFF.
  2. Disconnect the BCM and combination switch.
  3. Check continuity between BCM harness connector and combination switch harness connector.

Nissan Maxima. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN

2. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT

Nissan Maxima. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT

Check for continuity between BCM harness connector and ground.

Nissan Maxima. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT

3. CHECK BCM OUTPUT SIGNAL

Nissan Maxima. CHECK BCM OUTPUT SIGNAL

  1. Connect the BCM and the combination switch connector.
  2. Turn ON any switch in the system that is malfunctioning.
  3. Check voltage between BCM harness connector and ground

Nissan Maxima. CHECK BCM OUTPUT SIGNAL

Special Repair Requirement

1. REQUIRED WORK WHEN REPLACING BCM

    Power supply and ground circuit
    Diagnosis Procedure 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuses or fusible link are blown 2. CHECK POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect BCM. Che ...

    Combination switch output circuit
    Diagnosis Procedure 1. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN Turn the ignition switch OFF. Disconnect the BCM and combination switch. Check continuity between BCM harness connector and c ...

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