Warning Lamp Blinks When Ignition Switch Is Turned On

TROUBLE DIAGNOSIS FOR SYMPTOMS


Warning Lamp Blinks When Ignition Switch Is Turned ON


NOTE:
If warning lamp blinks below, the system is normal.
Blink Mode A





- This mode shows transmitter status is in OFF-mode.
Perform transmitter wake up operation. Refer to Transmitter Wake Up Operation.
1.CHECK CONNECTOR
1. Disconnect low tire pressure warning control unit harness connector M19.
2. Check terminals for damage or loose connections.
OK or NG
OK - GO TO 2.
NG - Repair or replace damaged parts.
2.CHECK TIRE PRESSURE WARNING CHECK SWITCH CIRCUIT





Check continuity between low tire pressure warning control unit harness connector M19 and ground.





OK or NG
OK - Replace low tire pressure warning control unit. Refer to Service and Repair.
NG - Repair or replace harness connector.