Diagnosis Procedure

1. Turn the ignition switch ON.
   CAUTION: Never start the engine.
2. Check the tire pressure for all wheels and adjust to the specified value. Refer to Tire Air Pressure .

Is the inspection result normal?

YES

GO TO 2.

NO

Inspect or repair the tires or wheels.

Check low tire pressure warning lamp display.

Does not low tire pressure warning lamp turn OFF?

YES

GO TO 3.

NO

INSPECTION END

With CONSULT

Perform self-diagnosis for "AIR PRESSURE MONITOR".

Is any DTC detected?

YES

Perform the diagnosis applicable to the displayed DTC. Refer to DTC Index .

NO

GO TO 4.

Perform the trouble diagnosis for power supply and ground circuit. Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

Replace Low Tire Pressure Warning Control Unit. Refer to Removal and Installation .

NO

Repair or replace error-detected parts.