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Home › Infiniti › 2015 › Q40 AWD › Repair and Diagnosis › Body & Frame › Windows › Power Window Control System › DTC/Circuit Diagnosis › Power Window Serial Link › Rear LH › Diagnosis Procedure

Diagnosis Procedure

  1. CHECK POWER WINDOW SWITCH OUTPUT SIGNAL

    1. Turn ignition switch ON.
    2. Check signal between rear power window switch LH harness connector and ground.
    (+) (-) Signal
    (Reference value)
    Rear power window switch LH
    Connector Terminal
    D57 16 Ground
    GNSJPMIA0013GB-013Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES 

    Replace rear power window switch LH.

    NO 

    GO TO STEP 2  .

  2. CHECK POWER WINDOW SERIAL LINK CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect power window main switch connector and rear power window switch LH connector.
    3. Check continuity between power window main switch harness connector and rear power window switch LH harness connector.
      Power window main switch Rear power window switch LH Continuity
      Connector Terminal Connector Terminal
      D8 14 D57 16 Existed
    4. Check continuity between power window main switch harness connector and ground.
      Power window main switch Ground Continuity
      Connector Terminal
      D8 14 Not existed

    Is the inspection result normal?

    YES 

    Replace power window main switch.

    NO 

    Repair or replace harness.

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