Toyota Corolla (E120): Mil circuit

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Symptom confirmation and diagnostic trouble code
Hint: the diagnostic system in corolla has various functions. The first function is the diagnostic trouble code (dtc) check, in which a malfunction in the signal circuits to the ecu is stored in code form in the ecu memory. Another function is the input signal check, which checks if ...

Circuit description
Monitor description The ecm commands gearshift by turning the shift solenoid valves ”on/off”. When there is an open or short circuit in any shift solenoid valve circuit, the ecm detects the problem and the mil comes on. Illuminating the mil, the ecm performs the fail–safe and turns ...

If the engine will not start
If the engine will not start even though correct starting procedures are being followed, consider each of the following points: The engine will not start even though the starter motor operates normally. One of the following may be the cause of the problem: There may not be sufficient fuel in the ...