Diagnosis Procedure 8

VEHICLE SECURITY (THEFT WARNING) SYSTEM


Diagnosis Procedure 8

TRUNK LAMP SWITCH CHECK (SEDAN)
1.CHECK TRUNK LAMP SWITCH AND TRUNK RELEASE SOLENOID INPUT SIGNAL
With CONSULT-III
Check ("TRNK OPN MNTR") 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 lamp switch and trunk release solenoid circuit is
OK.
NG - GO TO 2
2.CHECK TRUNK LAMP SWITCH AND TRUNK RELEASE SOLENOID
1. Turn ignition switch OFF.
2. Disconnect trunk lamp switch and trunk release solenoid connector.
3. Check continuity between trunk lamp switch and trunk release solenoid terminals 1 and 3.










OK or NG
OK - GO TO 3
NG - Replace trunk lamp switch and trunk release solenoid.
3.CHECK TRUNK LAMP SWITCH AND TRUNK RELEASE SOLENOID CIRCUIT
1. Disconnect BCM connector M19.





2. Check continuity between BCM harness connector M19 (A) terminal 42 and trunk room lamp switch harness connector B127
(B) terminal 3.

42 3 : 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 LAMP SWITCH AND TRUNK RELEASE SOLENOID GROUND CIRCUIT





Check continuity between trunk room lamp switch harness connector B127 terminal 1 and ground.

1 Ground : Continuity should exist.

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