Diagnosis Procedure

LOW TIRE PRESSURE WARNING LAMP


Description

Uses CAN communication from the BCM to illuminate the low tire pressure warning lamp on the combination meter.









LOW TIRE PRESSURE WARNING LAMP


Diagnosis Procedure

1.POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit. Refer to Power Supply and Ground Circuit.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace damaged parts.
2.PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform BCM (AIR PRESSURE MONITOR) self-diagnosis.
Is any DTC detected?
YES - Check the DTC. Refer to Testing and Inspection.
NO - GO TO 3.
3.CHECK LOW TIRE PRESSURE WARNING LAMP SIGNAL
With CONSULT-III
1. Turn the ignition switch ON.

CAUTION:
Never start the engine.
2. On "DATA MONITOR", select "WARNING LAMP".
3. Check that the low tire pressure warning lamp is turned OFF after illuminating for approximately 1 second, when the ignition switch is turned ON.
Is the inspection result normal?
YES - Check the combination meter. Refer to System Description.
NO - Replace the BCM. Refer to Exploded View.