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

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    Inspection procedure
    1 Check airbag sensor assy center connector Disconnect negative (–) terminal cable from the battery, and wait at least for 90 seconds.  check the connection of the airbag sensor assy center connectors. 2 Check air bag sensor assy center Sst 09843–18040 Connect the n ...

    Hood
    Adjustment Hint: since the centering bolt is used as a hood hinge and hood lock set bolt, the hood and hood lock can not be adjusted with it on. Substitute a bolt with washer for the centering bolt. 1. Inspect hood sub–assy Check that the clearance is within the standard value. ...

    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 ...