Toyota Corolla (E120): Terminals of ecm

*1: W/ cruise control

*1: W/ cruise control

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    Circuit description
    When the ignition switch is turned on, battery positive voltage is applied to the coilwhich closes the contacts of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm. This signal causes current to flow to the coil, closing the contacts of the efi relay and supplyin ...

    Malfunction in water temperature receiver gauge
    Wiring diagram Inspection procedure 1 Read value of hand–held tester Check output value of ecm.  Connect the hand–held tester to dlc3.  Turn the ignition switch to on and push the hand–held tester main switch on.  Select the data list mode on the hand–he ...

    Exhaust gas precautions
    Harmful substance to the human body is included in exhaust gases if inhaled. WARNING Exhaust gases include harmful carbon monoxide (CO), which is colorless and odorless. Observe the following precautions. Failure to do so may cause exhaust gases enter the vehicle and may lead to an accident caused ...