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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    Seat belts
    Make sure that all occupants are wearing their seat belts before driving the vehicle. WARNING Observe the following precautions to reduce the risk of injury in the event of sudden braking, sudden swerving or an accident. Failure to do so may cause death or serious injury. ■Wearing a seat belt E ...

    USB charging port (if equipped)
    The USB charging port are used to supply 3.0 A of electricity at 5 V to external devices. The USB charging port are for charging only. They are not designed for data transfer or other purposes. Depending on the external device, it may not charge properly. Refer to the manual included with the dev ...

    On–vehicle inspection
    1. Connect hand–held tester:  connect the hand–held tester to the dlc3.  start the engine and run it at idle.  select the active test mode on the hand–held tester. Hint: please refer to the hand–held tester operator’s manual for further details. 2. Inspect actua ...