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 ...

    Other materials:

    Unfastening the seat belts
    To unfasten the seat belt, press the button on the buckle 1 . The seat belt automatically retracts. Checking seat belt operation Seat belt retractors are designed to lock seat belt movement by two separate methods: When the seat belt is pulled quickly from the retractor When the vehi ...

    P1722 vehicle speed
    Description The vehicle speed signal is transmitted from ABS actuator and electric unit (control unit) to TCM via CAN communication line. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE CAUTION: Always drive vehicle at a safe speed. NOTE: Immediately after performing any "DT ...

    Headlamp (LO) circuit
    Description The IPDM E/R (intelligent power distribution module engine room) controls the headlamp low relay based on inputs from the BCM over the CAN communication lines. When the headlamp low relay is energized, power flows through fuses 51 and 52, located in the IPDM E/R. Power then flows ...

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