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Home >> Infiniti >> 2013 >> M56 Base >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Door & Lock >> DTC/Circuit Diagnosis >> Trunk Lid Opener Switch >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK TRUNK LID OPENER INPUT SIGNAL 
    1. Turn ignition switch OFF.
    2. Disconnect trunk lid opener switch connector.
    3. Check signal between trunk lid opener switch harness connector and ground using oscilloscope.
      (+) (-) Signal (Reference value)
      Trunk lid opener switch
      Connector Terminal
      M187 1 Ground
      G08893220

      Is the inspection result normal? 

      YES: GO TO  3.

      NO: GO TO 2.

  2. CHECK TRUNK LID OPENER SWITCH CIRCUIT 
    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector and trunk lid opener switch harness connector.
      BCM Trunk lid opener switch Continuity
      Connector Terminal Connector Terminal
      M120 30 M187 1 Existed
    3. Check continuity between BCM harness connector and ground.
      BCM Ground Continuity
      Connector Terminal
      M120 30 Not existed

      Is the inspection result normal? 

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

      NO: Repair or replace harness.

  3. CHECK TRUNK LID OPENER SWITCH GROUND CIRCUIT 

    Check continuity between trunk lid opener switch harness connector and ground.

    Trunk lid opener switch Ground Continuity
    Connector Terminal
    M187 2 Existed

    Is the inspection result normal? 

    YES: GO TO 4.

    NO: Repair or replace harness.

  4. CHECK TRUNK LID OPENER SWITCH 

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 5.

    NO: Replace trunk lid opener switch.

  5. CHECK INTERMITTENT INCIDENT 

    Refer to "INTERMITTENT INCIDENT ".

    : INSPECTION END

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