For 1990-2009 cars only
- Perform the Diagnostic System Check - Vehicle , before using the Symptom Tables in order to verify that all of the following are true:
- Review the system operation in order to familiarize yourself with the system functions. Refer to Tire Pressure Monitor Description and Operation.
| • | There are no DTCs set. |
| • | The control modules can communicate via the serial data link. |
Visual/Physical Inspection
| • | Inspect for aftermarket devices which could affect the operation of the Tire Pressure Monitoring (TPM) System. Refer to Checking Aftermarket Accessories. |
| • | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom. |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections.
Symptom List
Refer to Low Tire Pressure Indicator Malfunction in order to diagnose the symptom.
