Turn Signal Lamp Does Not Operate

TURN SIGNAL AND HAZARD WARNING LAMPS


Turn Signal Lamp Does Not Operate

1.CHECK BULB
Check bulb standard of each turn signal lamp is correct.
OK or NG
OK - GO TO 2.
NG - Replace turn signal lamp bulb.
2.CHECK COMBINATION SWITCH INPUT SIGNAL
CONSULT-III DATA MONITOR
1. Select "TURN SIGNAL R" and "TURN SIGNAL L" of BCM (FLASHER) data monitor item.
2. With operating the lighting switch, check the monitor status.

When lighting switch is TURN RH position : TURN SIGNAL R On
When lighting switch is TURN LH position : TURN SIGNAL L On

CHECK THE COMBINATION SWITCH
Combination Switch Inspection.
OK or NG
OK - GO TO 3.
NG - Check combination switch (lighting switch). Combination Switch Inspection.
3.ACTIVE TEST
CONSULT-III ACTIVE TEST
1. Select "FLASHER" of BCM (FLASHER) active test item.
2. With operating the test item, check the turn signal lamps operation.

Turn signal lamp should operate.

CHECK TURN SIGNAL LAMP CIRCUIT
GO TO 4.
OK or NG
OK - Replace BCM. Service and Repair.
NG - GO TO 4.
4.CHECK TURN SIGNAL LAMP CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector, front combination lamp RH and LH connector, side turn signal lamp RH and
LH connector, rear combination lamp RH and LH connector.





3. Check continuity between BCM harness connector (A) and front combination lamp (RH and LH) harness connector (B).





4. Check continuity between BCM harness connector (A) and side turn signal lamp (RH and LH) harness connector (B).










5. Check continuity between BCM harness connector (A) and rear combination lamp (RH and LH) harness connector (B).





OK or NG
OK - GO TO 5.
NG - Repair harness or connector.
5.CHECK SIGNAL LAMP CIRCUIT (SHORT CIRCUIT)





Check continuity between BCM harness connector and ground.





OK or NG
OK - Replace BCM. Replace BCM if turn signal lamp does not work after setting the connector again. Service and Repair.
NG - Repair harness or connector.