Fail-Safe System
The ECU contains a fail-safe function that is used in case of sensor or switch failure. The fail-safe function uses preprogrammed engine values to provide a limp-in mode so the vehicle may be driven. If malfunction is serious enough, ECU may shut down engine.
ECU LOCATIONS
| Model | Location |
|---|---|
| Camry, Celica, Corolla & Tercel | Bottom Center Of Dash, In Front Of Console |
| Cressida, Land Cruiser & Supra | Above Glove Box |
| MR2 | Left Rear Of Engine Compartment |
| Pickup & 4Runner | Behind Right Kick Panel |
| Previa | Under Driver's Seat |