Problem Symptoms Table
WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
- Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of 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
TIRE PRESSURE WARNING SYSTEM PROBLEM SYMPTOMS CHART
| Symptom | Suspected Area | See |
|---|---|---|
| Tire pressure warning light does not illuminate despite tire pressure decreasing. | Check Data List (Tire inflation pressure) | DATA LIST / ACTIVE TEST |
| ID code check (Registration) | REGISTRATION | |
| Tire pressure warning light remains illuminated (Goes off during initial check). | Tire pressure warning light circuit | TIRE PRESSURE WARNING LIGHT CIRCUIT |
| ECU power source circuit | ECU POWER SOURCE CIRCUIT | |
| Tire pressure warning light remains illuminated (Comes on during initial check). | Check Data List (Tire inflation pressure) | DATA LIST / ACTIVE TEST |
| Tire pressure adjustment | TIRE AND WHEEL SYSTEM | |
| ID code check (Registration) | REGISTRATION | |
| DTC check cannot be done. | TC and CG terminal circuit | TC AND CG TERMINAL CIRCUIT |
| ECU power source circuit | ECU POWER SOURCE CIRCUIT |