Nissan Maxima Service and Repair Manual: Unlock sensor

Description

Detects door lock condition of driver door.

Component Function Check

1. CHECK FUNCTION

With CONSULT

Check unlock sensor UNLK SEN−DR in "Data Monitor" mode.

Nissan Maxima. CHECK FUNCTION

Diagnosis Procedure

1. CHECK UNLOCK SENSOR POWER SUPPLY

Nissan Maxima. CHECK UNLOCK SENSOR POWER SUPPLY

Check signal between BCM connector and ground with oscilloscope.

Nissan Maxima. CHECK UNLOCK SENSOR POWER SUPPLY

2. CHECK UNLOCK SENSOR CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect BCM and front door lock assembly LH connector.
  3. Check continuity between BCM connector and front door lock assembly LH connector.
  4. Check continuity between BCM connector and ground.

Nissan Maxima. CHECK UNLOCK SENSOR CIRCUIT

Nissan Maxima. CHECK UNLOCK SENSOR CIRCUIT

3. CHECK UNLOCK SENSOR GROUND CIRCUIT

Check continuity between front door lock assembly LH connector and grou

Nissan Maxima. CHECK UNLOCK SENSOR GROUND CIRCUIT

4. CHECK BCM OUTPUT SIGNAL

Nissan Maxima. CHECK BCM OUTPUT SIGNAL

  1. Connect BCM harness connector.
  2. Check signal between BCM connector and ground with oscilloscope.

Nissan Maxima. CHECK BCM OUTPUT SIGNAL

5. CHECK UNLOCK SENSOR

6. CHECK INTERMITTENT INCIDENT

Component Inspection

1. CHECK UNLOCK SENSOR

Check unlock sensor.

Nissan Maxima. CHECK UNLOCK SENSOR

    Key cylinder switch
    Description The main power window and door lock/unlock switch detects condition of the door key cylinder switch and transmits to BCM as the LOCK or UNLOCK signal. Component Function Check 1. C ...

    Trunk lid opener switch
    Description Transmits trunk lid open signal to BCM. Component Function Check 1. CHECK TRUNK LID OPENER CANCEL SWITCH Check trunk lid opener cancel switch position. 2. CHECK FUNCTION With CONSU ...

    Other materials:

    B2604 transmission range switch
    Description BCM confirms the shift position with the following 4 signals.  CVT selector lever  Transmission range switch  P position signal from IPDM E/R (CAN)  P position signal from TCM (CAN) DTC Logic DTC DETECTION LOGIC NOTE: I ...

    B2614 ACC relay circuit
    Description BCM controls the various electrical components and simultaneously supplies power according to the power supply position. BCM checks the power supply position internally. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE Tur ...

    Steering switch
    Description When one of the steering wheel audio control switches is pushed, the resistance in the steering wheel audio control switch circuit changes, depending on which button is pushed. Diagnosis Procedure 1.CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE Turn ignition switch ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0236