Toyota Corolla (E120): Monitor description

While the engine is being cranked, the battery positive voltage is applied to terminal sta of the ecm.

If the ecm detects the starter control signal (sta) while the vehicle is driving, it will conclude that there is a fault in the starter control circuit. The ecm will turn on the mil and a dtc is set.

Monitor strategy

Monitor strategy

Typical enabling conditions

Typical enabling conditions

Typical malfunction thresholds

Typical malfunction thresholds

Wiring diagram

Wiring diagram

Inspection procedure

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    Circuit description
    The purpose of this circuit is to prevent the engine from stalling while driving in lock–up condition, when brakes are suddenly applied. When the brake pedal is depressed, this switch sends a signals to the ecm. Then the ecm cancels the operation of the lock–up clutch while braking is i ...

    Canceling and resuming the constant speed control
    1 Pulling the lever toward you cancels the constant speed control. The speed setting is also canceled when the brakes are applied or the clutch pedal (manual transmission) is depressed. 2 Pushing the lever up resumes the constant speed control. Resuming is available when the vehicle speed is mo ...

    Starting & charging
    Preparation Sst Recomended tools Equipment ...