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:

    Customer problem analysis
    Hint: in troubleshooting, the problem symptoms must be confirmed accurately, meaning that all preconceptions must be set aside in order to make an accurate judgement. To ascertain what the problem symptoms are, it is extremely important to ask the customer about the problem and cond ...

    Adjustment
    1. Remove rear wheel 2. Adjust rear drum brake shoe clearance 3. Install rear wheel torque: 103 nvm (1,050 Kgf·cm, 76 ft·lbf) 4. Inspect parking brake lever travel  pull the parking brake lever to the fully applied position, and count the number of clicks. Parking brake lever tr ...

    Seat heaters
    Press the switch. 1 High temperature 2 Low temperature The indicator light comes on when the switch is on. ■The seat heaters can be used when ► Vehicles without a smart key system The engine switch is in the “ON” position. ►Vehicles with a smart key system The engine ...