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

    Share this page:

    Other materials:

    Warning light and warning buzzer list
    *1: Parking brake engaged warning buzzer: *2: Open door warning buzzer: *3: Vehicles with a drive monitor display *4: Vehicles with a multi-information display *5: Driver’s seat belt buzzer: Vehicles without a smart key system: The driver’s seat belt buzzer sounds to alert the d ...

    Anti-glare function
    ► Manual anti-glare inside rear view mirror Reflected light from the headlights of vehicles behind can be reduced by operating the lever. 1 Normal position 2 Anti-glare position ► Auto anti-glare inside rear view mirror Responding to the level of brightness of the headlights of ...

    Inspection procedure
    1 Inspect skid control ecu connector(+bs terminal voltage) Disconnect the skid control ecu connector.  measure the voltage between terminals +bs (2) and gnd (1, 23) of skid control ecu harness side connector. Voltage: 10 – 14 v 2 Reconfirm dtc Check the dtc . Ok : ...