Engine Control System
TROUBLE CODE DESCRIPTIONS1. Including "normal", the ECU is programmed with the following 13 (Federal and Canada) or 14 (California) diagnostic codes.
2. When 2 or more codes are indicated, the lowest number (code) will appear first.
3. All detected diagnostic codes, except 51, will be retained in memory by the ECU from the time of detection until cancelled out.
4. Once the malfunction is cleared, the "CHECK ENGINE" warning light on the instrument panel will go out but the diagnostic code(s) remain stored in ECU memory (except for code 51).
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NOTE: Toyota does not provide trouble code driven diagnostic procedures for this vehicle, for information regarding diagnostic procedures Troubleshooting With Volt/Ohmmeter