Problem Symptoms Table
WARNING: This page is about a different car, the 2008 Toyota RAV4. 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 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
| Symptom | Suspected Area | See |
|---|---|---|
| Tire pressure warning system does not operate | 1. ECU power source circuit | ECU POWER SOURCE CIRCUIT |
| 2. TC and CG terminal circuit | TC AND CG TERMINAL CIRCUIT | |
| 3. Tire pressure warning valve and transmitter | TIRE PRESSURE WARNING VALVE AND TRANSMITTER | |
| 4. Combination meter | REMOVAL | |
| 5. Tire pressure warning antenna and receiver | TIRE PRESSURE WARNING VALVE AND TRANSMITTER | |
| 6. Tire pressure warning ECU | TIRE PRESSURE WARNING ECU | |
| DTC check cannot be completed | 1. ECU Power source circuit | ECU POWER SOURCE CIRCUIT |
| 2. TC and CG terminal circuit | TC AND CG TERMINAL CIRCUIT | |
| 3. Tire pressure warning ECU | TIRE PRESSURE WARNING ECU | |
| Tire pressure warning light malfunctions (Does not turn on) | 1. ECU Power source circuit | ECU POWER SOURCE CIRCUIT |
| 2. Tire pressure warning light circuit | TIRE PRESSURE WARNING LIGHT CIRCUIT | |
| 3. Combination meter | REMOVAL | |
| 4. Tire pressure warning ECU | TIRE PRESSURE WARNING ECU | |
| Tire pressure warning light malfunctions (Remains on) | 1. Tire pressure check | TIRE PRESSURE WARNING SYSTEM |
| 2. Tire pressure warning ECU connector poorly connected | - | |
| 3. Tire pressure warning light circuit | ECU POWER SOURCE CIRCUIT | |
| 4. Combination meter | REMOVAL | |
| 5. Tire pressure warning ECU | TIRE PRESSURE WARNING ECU | |
| Tire pressure warning light malfunctions (Blinking) | 1. Check DTC | DTC CHECK/CLEAR |
| 2. TC and CG terminal circuit | TC AND CG TERMINAL CIRCUIT | |
| 3. Test mode (SIGNAL CHECK) | TEST MODE PROCEDURE | |
| 4. Tire pressure warning ECU | TIRE PRESSURE WARNING ECU |