Toyota Corolla (E120): Circuit description

If the ignition switch is turned to the on position, battery positive voltage is applied to the switches, such as terminal ig of the ecu.

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Changing the engine switch positions
    1 “LOCK” The steering wheel is locked and the key can be removed. (Vehicles with an automatic transmission or continuously variable transmission: The key can be removed only when the shift lever is in P.) 2 “ACC” Some electrical components such as the audio system can be used. 3 “ON ...

    Using a flat bed truck
    If you use chains or cables to tie down your vehicle, the angles shaded in black must be 45°. Do not overly tighten the tie downs or the vehicle may be damaged. ■Before emergency towing 1 Vehicles without a smart key system: Put the engine switch in the “ACC” (engine off) or “O ...

    Communication system
    Horn system Location Problem symptoms table Inspection 1. Inspect low pitched horn assy Connect the positive (+) lead from the battery to the terminal and the negative (–) lead to the horn body, and check that the horn blows. If the result is not as specified, replace the ...