Diagnosis Procedure
- CHECK HAZARD WARNING LAMP OPERATION
Check hazard warning lamp operation with hazard switch.
Is the operation normal?
YES
GO TO 2.
NO
Perform trouble diagnosis for the hazard warning lamp. Refer to Diagnosis Procedure .
- CHECK HAZARD REQUEST SIGNAL CIRCUIT
- Turn the ignition switch OFF.
- Disconnect the Low Tire Pressure Warning Control Unit connector, hazard warning lamp switch connector, and BCM connector.
- Check the continuity between the Low Tire Pressure Warning Control Unit connector and the ground.
Low Tire Pressure Warning Control Unit
--
Continuity
Connector
Terminal
M43
30
Ground
Not existed
Is the inspection result normal?
YES
Repair or replace the malfunctioning harness or connector.
NO
Replace the Low Tire Pressure Warning Control Unit. Refer to Removal and Installation .