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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    Changing the passkey
    1 Select “Passkey” using . 2 Input a 4 to 8-digit passkey using . Input the number 1 digit at a time. 3 When the entire number to be registered as a passkey has been input, press again. If the passkey to be registered has 8 digits, pressing again is not necessary. ...

    If the vehicle is submerged or water on the road is rising
    This vehicle is not designed to be able to drive on roads that are deeply flooded with water. Do not drive on roads where the roads may be submerged or the water may be rising. It is dangerous to remain in the vehicle, if it is anticipated that the vehicle will be flooded or set adrift. Remain calm ...

    Inspection procedure
    Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malf ...