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Home › Infiniti › 2001 › QX4 RWD › Repair and Diagnosis › Body & Frame › Door Locks › Multi-Remote Control System - Late - Previous › Multi-Remote Control System › Trouble Diagnoses › Door Lock/Unlock Switch LH Check

Door Lock/Unlock Switch LH Check

  1. CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL 
    1. Disconnect smart entrance control unit connector.
    2. Check continuity between control unit terminal 23 or 35 and ground.
    DOOR LOCK/UNLOCK SWITCH CONTINUITY SPECIFICATIONS

    Terminals Door lock/unlock switch (LH or RH) condition Continuity
    23 - ground Lock Yes
    N and Unlock No
    35 - ground Unlock Yes
    N and Lock No
    Fig 1: Checking Door Lock/Unlock Switch Input Signal
    G03145687

    Refer to wiring diagram in Wiring Diagram - MULTI-  .

    OK or NG 

    1. OK Door lock/unlock switch is OK.
    2. NG GO TO 2.
  2. CHECK DOOR LOCK/UNLOCK SWITCH 
    1. Disconnect door lock/unlock switch connector.
    2. Check continuity between each door lock/unlock switch terminals.

    Power window main switch (Door lock/unlock switch LH)

    Fig 2: Checking Door Lock/Unlock Switch
    G03145688
    DOOR LOCK/UNLOCK SWITCH CONTINUITY SPECIFICATIONS

    Condition Continuity Between Terminals
    Lock 5 & 6
    N No continuity
    Unlock 5 & 19

    OK or NG 

    1. OK Check the following. 

      Ground circuit for door lock/unlock switch

      Harness for open or short between door lock/unlock switch and smart entrance control unit connector

    2. NG Replace door lock/unlock switch.
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