Diagnostic Test

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 STEP 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 STEP 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 STEP 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.