Low Tire Pressure Warning Lamp Does Not Turn Off

LOW TIRE PRESSURE WARNING LAMP DOES NOT TURN OFF

Description

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


Diagnosis Procedure


1. CHECK TIRE PRESSURE

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. [1][2]Specifications.
Is the inspection result normal?
YES- GO TO 2.
NO- Inspect or repair the tires or wheels.

2. CHECK LOW TIRE PRESSURE WARNING LAMP

Check low tire pressure warning lamp display.
Does not low tire pressure warning lamp turn OFF?
YES- GO TO 3.
NO- INSPECTION END

3. CHECK DTC WITH LOW TIRE PRESSURE WARNING CONTROL UNIT

With CONSULT
Perform self-diagnosis for "AIR PRESSURE MONITOR".
Is any DTC detected?
YES- Perform the diagnosis applicable to the displayed DTC. Testing and Inspection.
NO- GO TO 4.

4. CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT

Perform the trouble diagnosis for power supply and ground circuit. Power Supply And Ground Circuit.
Is the inspection result normal?
YES- Replace low tire pressure warning control unit. Removal And Installation.
NO- Repair or replace error-detected parts.