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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Door Lock (Except Hybrid) >> Symptom Diagnosis >> Rear Door Auto Closure System Does Not Operate >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK POWER SUPPLY AND GROUND CIRCUIT 

    Check rear door closure control unit power supply and ground circuit.

    Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace the malfunctioning parts.

  2. CHECK REAR DOOR CLOSURE MOTOR 

    Check rear door closure motor.

    Refer to Diagnosis Procedure (LH) or Diagnosis Procedure (RH).

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace the malfunctioning parts.

  3. CHECK NEUTRAL SWITCH 

    Check neutral switch.

    Refer to Diagnosis Procedure (LH) or Diagnosis Procedure (RH).

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair or replace the malfunctioning parts.

  4. CHECK HANDLE SWITCH 

    Check handle switch.

    Refer to Diagnosis Procedure (LH) or Diagnosis Procedure (RH).

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

    Repair or replace the malfunctioning parts.

  5. CHECK OPERATION SWITCH 

    Check operation switch.

    Refer to Diagnosis Procedure (LH) or Diagnosis Procedure (RH).

    Is the inspection result normal?

    YES

    GO TO 6.

    NO

    Repair or replace the malfunctioning parts.

  6. CHECK REVERSE SWITCH 

    Check reverse switch.

    Refer to Diagnosis Procedure (LH) or Diagnosis Procedure (RH).

    Is the inspection result normal?

    YES

    GO TO 7.

    NO

    Repair or replace the malfunctioning parts.

  7. REPLACE REAR DOOR CLOSURE CONTROL UNIT 
    1. Replace rear door closure control unit.
    2. Confirm the operation after replacement.

    Is the result normal?

    YES

    INSPECTION END

    NO

    Check intermittent incident. Refer to Intermittent Incident .