Toyota Corolla (E120): Circuit description

Hint:

Hint

: there is a case that hand–held tester cannot be used when ecu is abnormal.

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Adjustment
    1. Headlight aim only  place the vehicle in the following conditions. The area around the headlight is not deformed. The vehicle is parked on a level surface. Tire inflation pressure is in the specified value . A driver is in the driver’s seat and the vehicle is in a state rea ...

    Definition of terms
    Term Definition Monitor description Description of what the ecm monitors and how it detects malfunction (monitoring purpose and its details). Related dtcs Diagnostic code Typical enabling condition Preconditions that allow the ecm to detect m ...

    Fuel information
    You must only use unleaded gasoline in your vehicle. Select octane rating 87 (Research Octane Number 91) or higher. Use of unleaded gasoline with an octane rating lower than 87 may result in engine knocking. Persistent knocking can lead to engine damage. At minimum, the gasoline you use should ...