Trunk Room Lamp Switch Check

INTELLIGENT KEY SYSTEM


Trunk Room Lamp Switch Check

1.CHECK TRUNK ROOM LAMP SWITCH INPUT SIGNAL
With CONSULT-III
Check ("TRUNK SW") in "DATA MONITOR" mode with CONSULT-III.





Without CONSULT-III
1. Turn ignition switch OFF.
2. Check voltage between BCM harness connector M19 terminal 42 and ground.










OK or NG
OK - Trunk room lamp switch circuit is OK.
NG - GO TO 2.
2.CHECK TRUNK ROOM LAMP SWITCH
1. Turn ignition switch OFF.
2. Disconnect trunk room lamp switch connector.
3. Check continuity between trunk room lamp switch terminals 1 and 2.










OK or NG
OK - GO TO 3.
NG - Replace trunk room lamp switch.
3.CHECK TRUNK ROOM LAMP SWITCH CIRCUIT
1. Disconnect BCM connector M19.





2. Check continuity between BCM harness connector M19 (A) terminal 42 and trunk room lamp switch harness connector B57 (B) terminal 1.

42 1 : Continuity should exist.

3. Check continuity between BCM harness connector M19 (A) terminal 42 and ground.

42 Ground : Continuity should not exist.

OK or NG
OK - GO TO 4.
NG - Repair or replace harness between BCM and trunk room lamp switch.
4.CHECK TRUNK ROOM LAMP SWITCH GROUND CIRCUIT





Check continuity between trunk room lamp switch harness connector B57 terminal 2 and ground.

2 Ground : Continuity should exist.

OK or NG
OK - Check connection of harness and connector.
NG - Repair or replace trunk room lamp switch ground circuit.