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Home >> Infiniti >> 2003 >> I35 >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Remote Keyless Entry System >> Remote Keyless Entry System >> Trouble Diagnoses >> Door Lock/Unlock Switch LH Check
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Door Lock/Unlock Switch LH Check

  1. CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL 

    With CONSULT-II 

    Check door lock/unlock switch ("LOCK SW DR/AS"/" UNLK SW DR/AS") in "DATA MONITOR" mode with CONSULT-II.

    Fig 1: Checking Door Lock/Unlock Switch Input Signal With CONSULT-II
    G02092550Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    1. Remove key from ignition switch.
    2. Check the signal between smart entrance control unit harness connector M144 terminal 33 (L) and ground with oscilloscope when door lock/unlock switch is turned "LOCK" or "UNLOCK".
    3. Make sure signals which are shown in the figure below can be detected during 10 sec. just after door lock/unlock switch is turned "LOCK" or "UNLOCK".
      Fig 2: Checking Door Lock/Unlock Switch Input Signal Without CONSULT-II
      G02092551Courtesy of NISSAN MOTOR CO., U.S.A.

    Refer to WIRING DIAGRAM - KEYLESS -  .

    1. OK or NG 

    OK Door lock/unlock switch is OK.

    NG Check the following. 

    • Ground circuit for each front power window switch.
    • Harness for open or short between each front power window switch and smart entrance control unit connector

      If above systems are normal, replace the front power window switch.