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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    Replacing light bulbs
    ■ Headlight high beams 1 Turn the bulb base counterclockwise. 2 Pull the bulb out while pressing the lock release of the connector. 3 Replace the light bulb, and install the bulb base. Align the 3 tabs on the light bulb with the mounting and insert. 4 Turn and secure the bulb base. ...

    On–vehicle inspection
    1. Inspect air–fuel ratio compensation system Hint: you can also check the system by choosing ”data monitor”, then ”o2 sensor output voltage” on the monitor of the hand–held tester. Connect the hand–held tester to the terminal 23 (ox1a) @ 7 (e1) and 21 (ox1b) @ 7 (e1) of ...

    Precaution
    Caution: the corolla is equipped with srs, which comprises a driver airbag, front passenger airbag and side airbag. Failure to carry out service operations in the correct sequence could cause the srs to unexpectedly deploy during servicing, possibly leading to a serious accident. Fu ...