Problem Symptoms Table
WARNING: This page is about a different car, the 2011 Toyota Avalon. 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 descending 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:
| Symptom | Suspected Area | See |
|---|---|---|
| Tire pressure warning light does not illuminate, despite tire pressure decreasing | 1. Check Data List (Tire inflation pressure) | Refer to DATA LIST / ACTIVE TEST |
| 2. ID code check (Registration) | Refer to REGISTRATION | |
| Tire pressure warning light illuminated (Goes off during initial check) | 1. ECU power source circuit | Refer to ECU Power Source Circuit |
| 2. Tire pressure warning light circuit | Refer to Tire Pressure Warning Light Circuit | |
| Tire pressure warning light illuminated (Comes on during initial check) | 1. Check Data List (Tire inflation pressure) | Refer to DATA LIST / ACTIVE TEST |
| 2. Tire pressure warning light circuit | Refer to Tire Pressure Warning Light Circuit | |
| 3. ID code check (Registration) | Refer to REGISTRATION | |
| Initialization cannot be done | Tire pressure reset switch circuit | Refer to Tire Pressure Warning Reset Switch Circuit |
| DTC check cannot be done | 1. ECU power source circuit | Refer to ECU Power Source Circuit |
| 2. TC and CG terminal circuit | Refer to TC and CG Terminal Circuit |