Diagnosis Procedure (With LED rear combination lamps)
- CHECK STOP LAMP SWITCH INPUT SIGNAL 1
- Turn ignition switch OFF.
- Disconnect BCM connector.
- Check voltage between BCM harness connector and ground.
(+)
(-)
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M18
25
Ground
Battery voltage
Is the inspection normal?
YES
GO TO 2 .
NO
Check 10 A fuse [No. 10, located in the fuse block (J/B)].
NO
Check harness for open or short between BCM and fuse.
- CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
- Disconnect stop lamp switch connector.
- Check voltage between stop lamp switch harness connector and ground.
(+)
(-)
Voltage (V)
(Approx.)
Stop lamp switch
Connector
Terminal
E38
1
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 3 .
NO
Check harness for open or short between stop lamp switch and fuse.
- CHECK STOP LAMP SWITCH INPUT SIGNAL 2
- Connect stop lamp switch connector.
- Check voltage between BCM harness connector and ground.
(+)
(-)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M18
27
Ground
Brake pedal
Depressed
Battery voltage
Not depressed
0
Is the inspecting result normal?
YES
GO TO 4 .
NO
GO TO 5 .
- REPLACE BCM
- Replace BCM. Refer to Removal and Installation .
- Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
Inspection End.
- CHECK STOP LAMP SWITCH CIRCUIT
- Disconnect stop lamp switch connector.
- Check continuity between stop lamp switch harness connector and BCM harness connector.
Stop lamp switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
E38
2
M18
27
Yes
- Check continuity between stop lamp switch harness connector and ground.
Stop lamp switch
Ground
Continuity
Connector
Terminal
E38
2
No
Is the inspection result normal?
YES
GO TO 6 .
NO
Repair or replace harness.
- CHECK STOP LAMP SWITCH
Refer to Component Inspection (Stop Lamp Switch) .
Is the inspection result normal?
YES
GO TO 7 .
NO
Replace stop lamp switch. Refer to Exploded View .
- CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .
Inspection End.