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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Door Lock (DTC/Circuit Diagnosis) (Except Hybrid) >> DTC/Circuit Diagnosis >> Trunk Lid Opener Cancel Switch >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK TRUNK LID OPENER CANCEL INPUT SIGNAL 
    1. Turn Ignition Switch OFF.
    2. Disconnect Trunk Lid Opener Cancel Switch connector.
    3. Check signal between Trunk Lid Opener Cancel Switch harness connector and ground using oscilloscope.

      (+)

      (-)

      Signal

      (Reference value)

      Trunk Lid Opener Cancel Switch

      Connector

      Terminal

      M18

      1

      Ground

      G08434264Courtesy of NISSAN NORTH AMERICA, INC.

    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 Cancel Switch harness connector.

      BCM

      Trunk Lid Opener Cancel Switch

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      M121

      44

      M18

      1

      Existed

    3. Check continuity between BCM harness connector and ground.

      BCM

      Ground

      Continuity

      Connector

      Terminal

      M121

      44

      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 CANCEL SWITCH GROUND CIRCUIT 

    Check continuity between Trunk Lid Opener Cancel Switch harness connector and ground.

    Trunk Lid Opener Cancel Switch

    Ground

    Continuity

    Connector

    Terminal

    M18

    2

    Existed

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair or replace harness.

  4. CHECK TRUNK LID OPENER CANCEL SWITCH 

    Refer to Component Inspection .

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

    Replace Trunk Lid Opener Cancel Switch.

  5. CHECK INTERMITTENT INCIDENT 

    Refer to Intermittent Incident .

    INSPECTION END