Stop Lamp Switch Check

INTELLIGENT KEY SYSTEM


Stop Lamp Switch Check

1. CHECK STOP LAMP SWITCH INPUT SIGNAL
With CONSULT-III
Check stop lamp switch ("STOP LAMP SW") in "DATA MONITOR" mode with CONSULT-III.





Without CONSULT-III
1. Turn ignition switch OFF.
2. Disconnect BCM.





3. Check voltage between BCM connector M18 terminal 9 and ground.





OK or NG
OK >> Stop lamp switch circuit is OK.
NG >> GO TO 2.
2. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT





Check voltage between stop lamp switch harness connector E60 terminal 1 and ground.

1 - Ground : Battery voltage

OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness between stop lamp switch power supply circuit and fuse.
3. CHECK STOP LAMP SWITCH OPERATION





Check continuity between stop lamp switch terminals 1 and 2.





OK or NG
OK >> GO TO 4.
NG >> Replace stop lamp switch.
4. CHECK STOP LAMP SWITCH CIRCUIT





1. Check continuity between BCM connector M18 (A) terminal 9 and stop lamp switch connector E60 (B) terminal 2.

9 - 2 : Continuity should exist.

2. Check continuity between BCM connector M18 (A) terminal 9 and ground.

9 - Ground : Continuity should not exist.

OK or NG
OK >> Check condition of harness and connector.
NG >> Repair or replace harness.