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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    Circuit description
    Refer to dtc p0120 Dtc no. Dtc detection condition Trouble area P0121 The following condition is met 4 times. After the vehicle speed has exceeded 19 mph (30 km/h) once, the throttle position sensor output value is out of normal range when the throttle ...

    Circuit description
    The srs warning light is located on the combination meter. When the srs is normal, the srs warning light lights up for approx. 6 Seconds after the ignition switch is turned from the lock position to on position, and then turns off automatically. If there is a malfunction in the srs, the srs ...

    Heater & air conditioner
    Preparation Sst Recomended tools Equipment Lubricant ...