Low Tire Pressure Warning Lamp Blinks

Low Tire Pressure Warning Lamp Blinks

Regarding Wiring Diagram information, refer to [Tire Pressure Monitoring System: Wiring Diagram] [1][2]Electrical Diagrams.

NOTE:

If low tire pressure warning lamp flashes as shown, the system is normal.

Flash Mode A

- This mode shows transmitter status is OFF-mode.





Carry out transmitter wake up operation. Refer to [Transmitter Wake Up Operation] Service and Repair.

DIAGNOSTIC PROCEDURE

1. CHECK BCM CONNECTORS

1 Turn ignition switch OFF.
2 Disconnect BCM harness connectors.
3 Check terminals for damage or loose connections.

Is the inspection result normal?
YES
GO TO 2
NO
Repair or replace damaged parts.

2. CHECK TIRE PRESSURE WARNING CHECK CONNECTOR CIRCUIT

Check continuity between BCM harness connector M18 terminal 15 and ground.










Is the inspection result normal?
YES
Replace BCM. Refer to [BCM: Removal and Installation] Removal and Replacement.
NO
Repair circuit for short to ground.