Hazard Warning Lamp Does Not Operate But Turn Signal Lamp Operates

TURN SIGNAL AND HAZARD WARNING LAMPS


Hazard Warning Lamp Does Not Operate But Turn Signal Lamp Operates

1.CHECK CIRCUIT BETWEEN HAZARD SWITCH AND BCM
CONSULT-III DATA MONITOR
1. Select "HAZARD SW" of BCM (FLASHER) data monitor item.
2. With operating the multifunction switch (hazard switch), check the monitor status.

When hazard switch is ON position: HAZARD SW ON

CHECK CIRCUIT BETWEEN HAZARD SWITCH AND BCM





Check voltage between BCM harness connector and ground.





OK or NG
OK - Replace BCM. Service and Repair, "Removal and Installa-
tion of BCM".
NG - GO TO 2.
2.CHECK HAZARD SWITCH BCM CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and multifunction switch connector.





3. Check continuity between BCM harness connector (A) and multifunction switch harness connector (B).





OK or NG
OK - GO TO 3.
NG - Repair harness or connector.
3.CHECK HAZARD SWITCH GROUND CIRCUIT





Check continuity between multifunction switch harness connector and ground.





OK or NG
OK - GO TO 4.
NG - Repair harness or connector.
4.CHECK HAZARD SWITCH





Check continuity multifunction switch (hazard switch).





OK or NG
OK - Replace BCM. Replace BCM if turn signal lamp does not work after setting the connector again. Refer to
Service and Repair.
NG - Replace multifunction switch. With Mobile Entertainment System.