Without Intelligent Key System

BACK DOOR OPENER SWITCH

Component Function Check


1. CHECK FUNCTION

1.Select "TRUNK" of "BCM" using CONSULT.
2.Select "TRNK OPNR SW" in "DATA MONITOR" mode.
3.Check that the function operates normally according to the following conditions.





Is the inspection result normal?
YES- Back door opener switch is OK.
NO- .


Diagnosis Procedure


1. CHECK BACK DOOR OPEN INPUT SIGNAL

1.Turn ignition switch OFF.
2.Disconnect back door opener switch connector.
3.Check signal between back door opener switch harness connector and ground using oscilloscope.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK BACK DOOR OPENER SWITCH CIRCUIT

1.Disconnect BCM connector.
2.Check continuity between BCM harness connector and back door opener switch harness connector.





3.Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Service and Repair.
NO- Repair or replace harness.

3. CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT

Check continuity between back door opener switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness.

4. CHECK BACK DOOR OPENER SWITCH

.
Is the inspection result normal?
YES- GO TO 5.
NO- Replace back door opener switch.

5. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
- INSPECTION END


Component Inspection


1. CHECK BACK DOOR OPENER SWITCH

1.Turn ignition switch OFF.
2.Disconnect back door opener switch connector.
3.Check continuity between back door opener switch terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace back door opener switch.