Diagnosis Procedure

BACK DOOR AUTO CLOSURE FUNCTION DOES NOT OPERATE

OPEN/CLOSURE FUNCTION : Diagnosis Procedure


1. CHECK DTC WITH BCM

Check that DTC is not detected with BCM.
Is the inspection result normal?
YES- GO TO 2.
NO- Testing and Inspection.

2. CHECK POWER SUPPLY AND GROUND CIRCUIT

Check back door control unit power supply and ground circuit.
Back Door Control Unit.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace the malfunctioning parts.

3. CHECK BACK DOOR CLOSURE MOTOR

Check back door closure motor.
Without Automatic Back Door.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace the malfunctioning parts.

4. REPLACE BACK DOOR CONTROL UNIT

1.Replace back door control unit.
2.Confirm the operation after replacement.
Is the result normal?
YES- INSPECTION END
NO- Check intermittent incident. Intermittent Incident.