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

LOW TIRE PRESSURE WARNING LAMP DOES NOT TURN ON

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

NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
- Activate and display TPMS transmitter IDs
- Display tire pressure reported by the TPMS transmitter
- Read TPMS DTCs
- Register TPMS transmitter IDs

1. SELF-DIAGNOSTIC RESULT CHECK

Using CONSULT, 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. CAN System Specification Chart.
NO- GO TO 2

2. CHECK COMBINATION METER

Check combination meter operation. CONSULT Function (Meter/M&A).
Is the inspection result normal?
YES- GO TO 3
NO- Replace combination meter. Removal And Installation.

3. CHECK LOW TIRE PRESSURE WARNING LAMP

Disconnect BCM harness connector.
Does the low tire pressure warning lamp activate?
YES- Replace BCM. Service and Repair.
NO- Check combination meter operation.