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:

    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 ...

    Selecting wheel set (vehicles with a tire pressure warning system)
    Your vehicle is equipped with a tire pressure warning system with a function to register two sets of ID codes. This allows for registration of a second wheel set, for example a winter set. The wheel set can be changed only if a second wheel set has been registered to the system. If a second wheel s ...

    Types of child restraints
    Child restraint systems are classified into the following 3 types according to the age and size of the child: ► Rear facing - Infant seat/convertible seat ► Forward facing - Convertible seat ► Booster seat ■Selecting an appropriate child restraint system ●U ...