Diagnosis Procedure

BACK DOOR LOCK ACTUATOR RELAY


Description

Controls back door lock actuator lock/unlock operation.





BACK DOOR LOCK ACTUATOR RELAY


Diagnosis Procedure

1.CHECK FUSE
1. Turn ignition switch OFF.
2. Check 10 A fuse, [No. 14, located in fuse block (J/B)].
Is the inspection result normal?
YES - GO TO 2.
NO - Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.CHECK BACK DOOR LOCK ACTUATOR RELAY POWER CIRCUIT
1. Remove back door lock actuator relay.
2. Check voltage between back door lock actuator relay harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace harness.
3.CHECK BACK DOOR LOCK ACTUATOR RELAY CIRCUIT 1
1. Install the back door lock relay.
2. Check voltage between BCM harness connector and ground.





Is the inspection result normal?
YES - GO TO 6.
NO-1 (when voltage is fived at 12V)-Replace BCM. Removal And Installation.
NO-2 (when voltage is fived at 0V)-GO TO 4.
4.CHECK BACK DOOR LOCK ACTUATOR RELAY CIRCUIT 1
1. Disconnect BCM connector.
2. Check voltage between BCM harness connector and ground.





Is the inspection result normal?
YES - Replace BCM. Removal And Installation.
NO - GO TO 5.
5.CHECK BACK DOOR LOCK ACTUATOR RELAY CIRCUIT 2
1. Remove back door lock actuator relay.
2. Check continuity between BCM harness connector and back door lock actuator relay harness connector.





3. Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES - Replace back door lock actuator relay.
NO - Repair or replace harness.
6.CHECK BACK DOOR LOCK ACTUATOR RELAY GROUND CIRCUIT
Check continuity between back door lock actuator relay harness connector and ground.





Is the inspection result normal?
YES - GO TO 7.
NO - Repair or replace harness.
7.CHECK BACK DOOR LOCK ACTUATOR RELAY
Check back door lock actuator relay. Component Inspection
Is the inspection result normal?
YES - GO TO 8.
NO - Replace back door lock actuator relay.
8.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Intermittent Incident
- INSPECTION END