Problem Symptoms Table
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Tire Pressure Warning System
PROBLEM SYMPTOMS CHART
| Symptom | Suspected Area | See page |
|---|---|---|
| Tire pressure warning light does not illuminate, despite tire pressure decreasing | Initialization | INITIALIZATION |
| Check Data List (ID Tire Inflation Pressure) | DIAGNOSTIC TROUBLE CODE CHART | |
| ID code check (Registration) | REGISTRATION | |
| Tire pressure warning light remains illuminated (Goes off during initial check) | ECU power source circuit | ECU POWER SOURCE CIRCUIT |
| Tire pressure warning light circuit | TIRE PRESSURE WARNING LIGHT CIRCUIT | |
| Tire pressure warning light remains illuminated (Comes on during initial check) | Check Data List (ID Tire inflation pressure) | DATA LIST / ACTIVE TEST |
| Tire pressure warning light circuit | TIRE PRESSURE WARNING LIGHT CIRCUIT | |
| ID code check (Registration) | REGISTRATION | |
| Initialization | INITIALIZATION | |
| Initialization cannot be done | Tire pressure warning reset switch | TIRE PRESSURE WARNING RESET SWITCH CIRCUIT |
| DTC check cannot be done | ECU power source circuit | ECU POWER SOURCE CIRCUIT |
| TC and CG terminal circuit | TC AND CG TERMINAL CIRCUIT |