Low Tire Pressure Warning Lamp Does Not Turn On

Low Tire Pressure Warning Lamp Does Not Come On When Ignition Switch Is Turned On

DIAGNOSTIC PROCEDURE

1. SELF-DIAGNOSTIC RESULT CHECK
Using CONSULT-III check display contents of BCM in SELF-DIAGNOSIS.
Is "CAN COMM CIRCUIT" displayed in the self-diagnosis display items?
YES >> Malfunction in CAN communication system.
NO >> GO TO 2

2. CHECK COMBINATION METER
Check combination meter operation. Refer to MWI-27, "CONSULT-III Function (METER/M&A)". CONSULT-III Function (METER/M&A)
Inspection results OK?
YES >> GO TO 3.
NO >> Replace combination meter.

3. CHECK LOW TIRE PRESSURE WARNING LAMP
Disconnect BCM harness connector.
Does the low tire pressure warning lamp activate?
YES >> Replace BCM.
NO >> Check combination meter operation.