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Home >> Infiniti >> 2013 >> M56 Base >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Door & Lock >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Trunk Closure Control Unit >> TRUNK CLOSURE CONTROL UNIT: Diagnosis Procedure

TRUNK CLOSURE CONTROL UNIT: Diagnosis Procedure

  1. CHECK FUSES 
    1. Turn ignition switch OFF.
    2. Check that the following fuses are not fusing.
      Signal name Fuse No.
      Battery power supply 1 (15 A)
      6 (10 A)

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Replace the blown fuse after repairing the affected circuit.

  2. CHECK POWER SUPPLY CIRCUIT 
    1. Disconnect trunk closure assembly connector.
    2. Check voltage between trunk closure assembly harness connector and ground.
      (+) (-) Voltage (Approx.)
      Trunk closure assembly
      Connector Terminal
      T14 4 Ground Battery voltage
      6

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Repair harness or connector.

  3. CHECK GROUND CIRCUIT 

    Check continuity between trunk closure assembly harness connector and ground.

    Trunk closure assembly Ground Continuity
    Connector Terminal
    T14 2 Existed
    3

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Repair harness or connector.

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