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

TROUBLE DIAGNOSIS FOR SYMPTOMS

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 in self-diagnostic results.
Is "CAN COMM CIRCUIT" displayed in the self-diagnosis display items?
YES- Malfunction in CAN communication system. GO TO Trouble Diagnosis Flow Chart.
NO- GO TO 2.

2. CHECK COMBINATION METER

Check combination meter operation. Self-Diagnosis Mode Of Combination Meter.
Inspection results OK?
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. Self-Diagnosis Mode Of Combination Meter.