Toyota Corolla (E120): Circuit description

The cruise control ecu assy power source supplies power to the actuator and sensors, etc., When terminal gnd and the case of the cruise control ecu assy are grounded.

Wiring diagram

Inspection procedure

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    Overhaul
    Hint: installation is in the reverse order of the removal. But the installation is indicated only when it has a point. In the rh side, work in the same procedure as in the lh side. 1. Remove front armrest assy lh Using a screwdriver, remove the front armrest. Hint: tape the ...

    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
    Hint: start the inspection from step 1 in case of using the hand–held tester and start from step 2 in case of not using hand–held tester. 1 Inspect brake actuator assy Select the datalist mode on the hand–held tester.  check the operation sound of the abs pump motor when operat ...