Symptom Related Diagnostic Procedures

INTERIOR ROOM LAMP


Interior Room Lamp Control Does Not Operate

1.SELF-DIAGNOSIS
CONSULT-III SELF-DIAGNOSIS
Select "SELF-DIAG RESULTS" of BCM on CONSULT-III.
CHECK CIRCUIT BETWEEN EACH SWITCH AND BCM
GO TO 2.
Self-diagnostic result
NO DTC GO TO 2.
CAN communication Check CAN communication system of BCM. Refer to Scan Tool Testing and Procedures.
CHECK CIRCUIT BETWEEN EACH SWITCH AND BCM
CONSULT-III DATA MONITOR
1. Select "SELECT DIAG MODE" of BCM (INT LAMP) data monitor item.
2. With operating the switch, check the monitor status.
CHECK THE EACH SWITCH
Check each switch. Refer to Check Door Switch.
OK or NG
OK - GO TO 3.
NG - Inspect malfunctioning switch system. Refer to Check Door Switch.
3.CHECK CIRCUIT BETWEEN BCM AND LAMP (1)
CONSULT-III ACTIVE TEST
1. Set map lamp switch and rear personal lamp switches to DOOR.
2. Select "INT LAMP" of BCM (INT LAMP) active test item.
3. With operating the test item, check the map lamps, personal lamps LH and RH operation.

Map lamps, personal lamps LH and RH operate normally.

CHECK THE CIRCUIT
GO TO 4.
OK or NG
OK - Replace BCM. Refer to Service and Repair.
NG - GO TO 4.
4.CHECK CIRCUIT BETWEEN BCM AND MAP LAMP (2)
1. Turn ignition switch OFF.
2. Disconnect BCM connector and map lamp connector.





3. Check continuity between BCM harness connector (A) and map lamp harness connector (B).





OK or NG
OK - Replace BCM. Refer to Service and Repair. (Reconnect BCM connector and check the operation of map lamp. If it is faulty, replace BCM.)
NG - Repair harness or connector between BCM and map lamp.