Symptom Description

Symptom Description

The low tire pressure warning lamp does not turn OFF after several seconds is passed after the engine starts.

Diagnosis Procedure

Diagnosis Procedure

1. CHECK TIRE PRESSURE

   1. 1. 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.

      3. Recheck the tire pressure for all wheels. Refer to Tire Air Pressure.

   Is the inspection result normal?

   YES >>

   GO TO 2.

   NO >>

   Inspect or repair the tires or wheels.

2. CHECK LOW TIRE PRESSURE WARNING LAMP OPERATION

   1. Check low tire pressure warning lamp display.

   Is the inspection result normal?

   YES>>

   Inspection End.

   NO>>

   GO TO 3.

3. PERFORM SELF DIAGNOSTIC RESULT

   1. CONSULT

      Select “Self Diagnostic Result” mode of “BCM(AIR PRESSURE MONITOR)”.

   Is DTC detected?

   YES >>

   Perform DTC diagnosis procedure. Refer to DTC Index.

   NO >>

   GO TO 4.

4. CHECK BCM POWER SUPPLY AND GROUND CIRCUIT

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

   Is the inspection result normal?

   YES >>

   Replace BCM. Refer to Removal and Installation.

   NO >>

   Repair or replace error-detected parts.