Description
The low tire pressure warning lamp does not turn ON when the ignition switch is placed ON.
NOTE:
The low tire pressure warning lamp turn ON for approximately 1 second and then turns OFF when the ignition switch is placed ON. This is to check that no abnormal condition is present in the tire pressure monitoring system.
The combination meter may be malfunctioning or the tire pressure monitoring system may be malfunctioning if the low tire pressure warning lamp does not turn ON when the ignition switch is placed ON.
Diagnosis Procedure
CHECK TIRE PRESSURE
-
Ignition switch ON.
CAUTION:
Never start the engine.
-
Check the tire pressure for all wheels and adjust to the specified value. Refer to TIRE AIR PRESSURE : Service Data.
-
Recheck the tire pressure for all wheels. Refer to TIRE AIR PRESSURE : Service Data.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Inspect or repair the tires or wheels.
CHECK LOW TIRE PRESSURE WARNING LAMP OPERATION
Check low tire pressure warning lamp display.
Is the inspection result normal?
YES>>INSPECTION END
NO >>GO TO 3.
PERFORM SELF-DIAGNOSIS
With CONSULT
Perform self-diagnosis for "AIR PRESSURE MONITOR” of “BCM”.
Is DTC detected?
YES>>Perform DTC diagnosis procedure. Refer to DTC Index.
NO>>GO TO 4.
CHECK BCM POWER SUPPLY AND GROUND CIRCUIT
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.
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