Toyota Corolla (E120): Wiring

Power source

Location

Communication system

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    Circuit description
    A thermistor is built in the engine coolant temperature sensor and changes the resistance value according to the engine coolant temperature. The structure of the sensor and connection to the ecm is the same as those of the intake air temperature sensor. Hint: if the ecm detects the dtc ...

    Inspection procedure
    1 Check side squib(rh) circuit(airbag sensor assy center – front seat airbag assy rh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the front seat airbag assy ...

    Checking the engine coolant
    The coolant level is satisfactory if it is between the "MAX" and "MIN" lines on the reservoir when the engine is cold. Reservoir "MAX" line "MIN" line If the level is on or below the "MIN" line, add coolant up to the "MAX" line. ■Coolant selection Only use "Toyota Super Long Life Coolant" or ...