Toyota Corolla (E120): Wiring

Power source

Location

Communication system

    Share this page:

    Other materials:

    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 ...

    Evap monitor (vacuum pressure monitor) (continued)
    Preconditions The monitor will not run unless: mil is off. Fuel level is approximately 1/2 to 3/4. Altitude is 7800 feet (2400 m) or less.* Engine coolant temperature (ect) is between 40°f and 95°f (4.4 °C and 35 °C). Intake air temperature (iat) is between 40°f and 95 ...

    Meter display
    ■ Locations of gauges and meters Engine coolant temperature gauge Displays the engine coolant temperature Outside temperature Displays the outside temperature within the range of -40ºF (-40ºC) to 140ºF (60ºC) Analog speedometer/Tachometer This setting can be changed on the setting scr ...