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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    Terminals of ecu
    1. Inspect tvip ecu Inspect the ecu–b, dome and ecu–ig fuses. disconnect the tvip ecu connector, and the continuity and voltage of check each terminal of the disconnected connector. Standard: If the result is not as specified, the vehicle’s side may malfunction. Reco ...

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    To enter a menu, press and navigate menus by using : *: Bluetooth is a registered trademark of Bluetooth SIG, Inc. ■Bluetooth® audio/phone system functions Depending on the Bluetooth® device, certain functions may not be available. ...

    Circuit description
    The ignition switch provides circuit power and the ecm provides the circuit ground that illuminates the mil. Mil operation is checked visually: it should be illuminated when the ignition is first turned on. If the mil is off all of the time or on all of the time, use the procedure below to ...