Toyota Corolla (E120): Circuit description

This is the power source of the ecu, hence the actuators.

Wiring diagram

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Parking the vehicle
    ► Automatic transmission or continuously variable transmission􀁘 Automatic transmission or continuously variable transmission 1 With the shift lever in D, depress the brake pedal. 2 Shift the shift lever to P. 3 Set the parking brake. 4 Vehicles without a smart key system: Turn ...

    Inspection procedure
    Hint: hand–held tester only: narrowing down the trouble area is possible by performing ”a/f control” active test (heated oxygen sensor or other trouble areas can be distinguished). Perform active test using hand–held tester (a/f control). Hint: ”a/f control” is the active te ...

    Battery
    Check the battery as follows. ■ Battery exterior Make sure that the battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps. Terminals Hold-down clamp ■Before recharging When recharging, the battery produces hydrogen gas which is flammable and exp ...