Low Tire Pressure Warning Lamp Blinks

LOW TIRE PRESSURE WARNING LAMP BLINKS


Description

- The low tire pressure warning lamp blinks when the ignition switch is turned ON.
- Blinking mode





When the low tire pressure warning lamp blinks as shown in the figure, the transmitter is not waked up. Perform the transmitter wake-up operation. Transmitter Wake-Up Procedure.




LOW TIRE PRESSURE WARNING LAMP BLINKS


Diagnosis Procedure

1.CHECK POWER OF TIRE PRESSURE WARNING CHECK SWITCH CONNECTOR
1. Turn the ignition switch ON.
2. Check the voltage between the tire pressure warning check switch and the ground.





Is the output voltage normal?
YES - Repair or replace the low tire pressure warning control unit. Or, replace the low tire pressure warning control unit.
NO - GO TO 2.
2.CHECK TIRE PRESSURE WARNING CHECK SWITCH CONNECTOR CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect the low tire pressure warning control unit harness connector.
3. Check the continuity between the terminals of the low tire pressure warning control unit harness connector and the tire pressure warning check switch the connector.





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





Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace error-detected parts.
3.CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT
Check the input/output signals of the low tire pressure warning control unit. Testing and Inspection.
Is the inspection result normal?
YES - Replace the low tire pressure warning control unit.
NO - GO TO 4.
4.CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT HARNESS CONNECTOR
Check for looseness or damage at the harness connector pins of the low tire pressure warning control unit.
Is the inspection result normal?
YES - INSPECTION END
NO - Repair or replace error-detected parts.