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:

    Clip list
    Descriptions for Clips Replace any clips which are damaged during removal or installation ...

    Brake warning lamp
    Description NOTE: 1: Brake warning lamp will turn on in case of parking brake operation (when switch is ON) or of brake fluid level switch operation (when brake fluid is insufficient).  2: After starting engine, brake warning lamp is turned off. Component Function Check 1.B ...

    Push-button ignition switch positions
    LOCK (Normal parking position) The ignition switch can only be locked in this position. The ignition switch will be unlocked when it is pushed to the ACC position while carrying the Intelligent Key. The ignition switch will lock when any door is opened or closed with the ignition switched ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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