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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    Engine immobilizer system
    The vehicle's keys have built-in transponder chips that prevent the engine from starting if a key has not been previously registered in the vehicle's on-board computer. Never leave the keys inside the vehicle when you leave the vehicle. This system is designed to help prevent vehicle theft but doe ...

    Cruise control
    The vehicle can be driven at a set speed even if the accelerator pedal is not depressed. Use the cruise control only on highways and expressways. WARNING ■For safe use Driving safely is solely the responsibility of the driver. Therefore, do not overly rely on this system. The driver is solel ...

    Meter display
    ■ Locations of gauges and meters The units of measure may differ depending on the intended destination of the vehicle. Tachometer Displays the engine speed in revolutions per minute Outside temperature Displays the outside temperature within the range of -40ºF (-40ºC) to 140ºF (60ºC) ...