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Home >> Infiniti >> 2016 >> QX70 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 146 (Door & Lock (DTC/Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> Trunk Lid Opener Actuator >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK TRUNK LID OPENER INPUT SIGNAL

    1. Turn ignition switch OFF.
    2. Disconnect trunk lid lock assembly connector.
    3. Check voltage between trunk lid lock assembly harness connector and ground.
    (+) (-) Condition Voltage
    Trunk lid lock assembly
    Connector Terminal
    T53 3 Ground Trunk lid opener switch is pressed 9 - 16 V

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 2  .

  2. CHECK TRUNK LID OPENER ACTUATOR CIRCUIT

    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector and trunk lid lock assembly harness connector.
      BCM Trunk lid lock assembly Continuity
      Connector Terminal Connector Terminal
      M15 91 T53 3 Existed
    3. Check continuity between BCM harness connector and ground.
      BCM Ground Continuity
      Connector Terminal
      M15 91 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 ACTUATOR GROUND CIRCUIT

    Check continuity between trunk lid lock assembly harness connector and ground.

    Trunk lid lock assembly Ground Continuity
    Connector Terminal
    T53 2 Existed

    Is the inspection normal?

    YES 

    Replace trunk lid lock assembly.

    NO 

    Repair or replace harness.

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