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:

    Inspection procedure
    1 Check side squib(rh) circuit(airbag sensor assy center – front seat airbag assy rh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the front seat airbag assy ...

    Front differential oil seal (atm)
    Replacement 1. Remove front wheels 2. Remove engine under cover rh 3. Remove engine under cover lh 4. Drain automatic transaxle fluid  remove the drain plug, gasket and drain atf.  install a new gasket and drain plug. Torque: 17.5 Nvm (178 Kgf·cm, 13 ft·lbf) 5. Remove fron ...

    Inspection procedure
    Hint: read freeze frame data using the hand–held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, th ...