Cargo Lamp Control Circuit

CARGO LAMP CONTROL CIRCUIT





Description
Controls the cargo lamp (ground side) to turn the cargo lamp ON and OFF.




Component Function Check

CAUTION:
Before performing the diagnosis, check that the following is normal.
- Battery saver output/power supply
- Cargo lamp bulb
1.CHECK CARGO LAMP OPERATION
CONSULT-III
1. Turn ignition switch ON.
2. Select "LUGGAGE LAMP TEST" of BCM (INT LAMP) active test item.
3. While operating the test item, check that cargo lamp turns ON/OFF.






Is the inspection result normal?
YES - Cargo lamp circuit is normal.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
Regarding Wiring Diagram information, Interior Room Lamp.
1.CHECK CARGO LAMP OUTPUT
CONSULT-III





1. Turn ignition switch ON.
2. Select "LUGGAGE LAMP TEST" of BCM (INT LAMP) active test item.
3. While operating the test item, check voltage between BCM connector M19 terminal 49 and ground.





Is the inspection result normal?
YES - Cargo lamp control circuit is operating normally.
Fixed ON-GO TO 3
Fixed OFF- GO TO 2
2.CHECK CARGO LAMP OPEN CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect BCM connector M19 and cargo lamp connector.
3. Check continuity between BCM connector M19 (A) terminal 49 and cargo lamp connector R11 (B) terminal 1.





Is the inspection result normal?
YES - Check cargo lamp for an open. If OK, replace BCM.
Service and Repair. If NG, replace cargo lamp. Service and Repair, "Removal and Installation".
NO - Repair harness or connectors.
3.CHECK CARGO LAMP SHORT CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect BCM connector M19 and cargo lamp connector.
3. Check continuity between BCM connector M19 terminal 49 and ground.





Is the inspection result normal?
YES - Check cargo lamp for a short circuit. If OK, replace
BCM. Service and Repair. If
NG, replace cargo lamp. Service and Repair, "Removal and
Installation".
NO - Repair harness or connectors.