Toyota Corolla (E120): Circuit description

This signal is used to detect that the brakes have been applied. The stp signal voltage is the same as the one supplied to the stop lights.

The stp signal is used mainly to control the fuel cut–off engine speed (the fuel cut–off engine speed is reduced slightly when the vehicle is braking.).

Wiring diagram

Inspection procedure

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    Things you should know
    ■ If you notice any symptoms If you notice any of the following symptoms, refer to the likely cause and the solution, and re-check. If the symptom is not resolved by the solution, have the vehicle inspected by your Toyota dealer. CAUTION ■When using the rear view monitor system ...

    Opening the trunk from outside the vehicle
    ◆ Smart key system (if equipped) While carrying the electronic key, press the button on the trunk lid. When all the doors are unlocked with the power door lock system, the trunk can be opened without carrying the electronic key. ◆ Wireless remote control (if equipped) ► Veh ...

    Inspection procedure
    Hint Advanced timing over (valve timing is out of specified range) P0011 Retarded timing over (valve timing is out of specified range) P0012 If dtc p0011 or p0012 is displayed, check the vvt system circuit. Read freeze frame data using the hand–held tester o ...