Diagnosis Procedure (Without LED rear combination lamps)
- CHECK POWER SOURCE (STOP LAMP SWITCH)
- Turn ignition switch OFF.
- Disconnect stop lamp switch connector.
- Check voltage between stop lamp switch and ground.
Stop lamp switch
Ground
Voltage
(Approx.)
Connector
Terminal
E38
1
Battery voltage
Is the inspection result normal?
YES
GO TO 2 .
NO
Check the following:
- Harness for short or open between fuse block (J/B) and stop lamp switch
- 10A fuse (No. 10, located in fuse block [J/B])
- CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to Component Inspection (Stop Lamp Switch) .
Is the inspection result normal?
YES
GO TO 3 .
NO
Replace stop lamp switch. Refer to Exploded View .
- CHECK GROUND CIRCUIT (STOP LAMP RELAY)
- Remove the stop lamp relay.
- Check continuity between stop lamp relay connector and ground.
Stop lamp relay
Ground
Continuity
Connector
Terminal
E12
1
Yes
Is the inspection result normal?
YES
GO TO 4 .
NO
Repair or replace damaged parts.
- CHECK STOP LAMP Relay
Check stop lamp relay. Refer to Component Inspection (Stop Lamp Relay) .
Is the inspection result normal?
YES
GO TO 5 .
NO
Replace stop lamp relay.
- CHECK HARNESS BETWEEN STOP LAMP RELAY AND BCM
Check continuity between stop lamp relay and BCM.
BCM
Stop lamp relay
Continuity
Connector
Terminal
Connector
Terminal
M18
27
E12
3
Yes
Check continuity between stop lamp relay connector and ground.
Stop lamp relay
Ground
Continuity
Connector
Terminal
E12
3
No
Is the inspection result normal?
YES
GO TO 6 .
NO
Repair or replace damaged parts.
- CHECK HARNESS BETWEEN STOP LAMP SWITCH AND STOP LAMP RELAY
Check continuity between stop lamp relay and stop lamp switch.
Stop lamp switch
Stop lamp relay
Continuity
Connector
Terminal
Connector
Terminal
E38
2
E12
2
Yes
Check continuity between stop lamp relay connector and ground.
Stop lamp relay
Ground
Continuity
Connector
Terminal
E12
2
No
Is the inspection result normal?
YES
GO TO 7 .
NO
Repair or replace damaged parts.
- CHECK POWER SOURCE (STOP LAMP RELAY)
Check voltage between stop lamp relay and ground.
Stop lamp relay
Ground
Voltage
(Approx.)
Connector
Terminal (+)
E12
5
Battery voltage
Is the inspection result normal?
YES
GO TO 8 .
NO
Repair or replace damaged parts.
- CONNECTOR INSPECTION
Check BCM connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES
GO TO 9 .
NO
Repair or replace as necessary.
- REPLACE BCM
- Replace BCM. Refer to Removal and Installation .
- Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CONSULT Immobilizer mode and follow the on-screen instructions.
Inspection End.