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.
Tire Pressure Warning System
PROBLEM SYMPTOMS REFERENCE - TIRE PRESSURE WARNING SYSTEM
| Symptom | Suspected Area | See Reference |
|---|---|---|
| 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 | |
| Initialization | INITIALIZATION | |
| 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 PRESSURE WARNING SYSTEM | |
| ID code check (Registration) | REGISTRATION | |
| Initialization | INITIALIZATION | |
| Initialization cannot be done | Tire Pressure Warning Reset Switch Circuit | TIRE PRESSURE WARNING RESET SWITCH CIRCUIT |
| DTC check cannot be done | TC and CG Terminal Circuit | TC AND CG TERMINAL CIRCUIT |
| ECU Power Source Circuit | ECU POWER SOURCE CIRCUIT |