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Home >> Infiniti >> 2011 >> FX35 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Door & Lock (Without Automatic Back Door) -- FX35/FX50 >> DTC/Circuit Diagnosis >> Fuel Lid Lock Actuator >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FUEL LID LOCK ACTUATOR INPUT SIGNAL
    1. Turn ignition switch OFF.
    2. Disconnect fuel lid lock actuator connector.
    3. Check voltage between fuel lid lock actuator harness connector and ground.
      VOLTAGE REFERENCE CHART

      (+) (-) Condition of door lock and unlock switch Voltage (V) (Approx.)
      Fuel lid lock actuator
      Connector Terminal
      B242 1 Ground Unlock 0 → Battery voltage → 0
      2 Lock 0 → Battery voltage → 0

      Is the inspection result normal? 

      YES: Replace fuel lid lock actuator. Refer to "REMOVAL AND INSTALLATION ".

      NO: GO TO 2.

  2. CHECK FUEL LID LOCK ACTUATOR CIRCUIT
    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector and fuel lid lock actuator harness connector.
      CONTINUITY REFERENCE CHART

      BCM Fuel lid lock actuator Continuity
      Connector Terminal Connector Terminal
      M119 8 B242 2 Existed
      9 1
    3. Check continuity between BCM harness connector and ground.
      CONTINUITY REFERENCE CHART

      BCM Ground Continuity
      Connector Terminal
      M119 8 Not existed
      9

      Is the inspection result normal? 

      YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

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