Toyota Corolla (E120): Circuit description

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

Wiring diagram

Wiring diagram

Inspection procedure

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    Replacement
    Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Remove instrument panel sub–assy lower Remove the screw from the glove compartment door stopper sub–assy.  pull the instrument panel sub–assy lower to remove it. 4. Separate passenger airbag co ...

    If you think something is wrong
    If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Toyota dealer as soon as possible. Visible symptoms ● Fluid leaks under the vehicle. (Water dripping from the air conditioning after use is normal.) ● Flat-looking tires or u ...

    Starting off on a steep uphill
    ► Automatic transmission or continuously variable transmission 1 Make sure that the parking brake is set and shift the shift lever to D. 2 Gently depress the accelerator pedal. 3 Release the parking brake. ► Manual transmission 1 With the parking brake firmly set and the clutch pe ...