Stop Lamp Switch Check

INTELLIGENT KEY SYSTEM

Stop Lamp Switch Check


1. CHECK STOP LAMP SWITCH INPUT SIGNAL

With CONSULT
Check stop lamp switch ("STOP LAMP SW") in "DATA MONITOR" mode with CONSULT.





Without CONSULT
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.