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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    Steering column
    Service data Torque specification Power steering Service data Torque specification : For use without sst ...

    Inspection procedure
    1 Check airbag sensor assy center connector Disconnect negative (–) terminal cable from the battery, and wait at least for 90 seconds.  check the connection of the airbag sensor assy center connectors. 2 Check air bag sensor assy center Sst 09843–18040 Connect the n ...

    Heater control & accessory assy
    Replacement 1. Remove console panel upper 2. Remove instrument cluster finish panel 3. Remove heater control & accessory assy Release the 2 fitting claws and pull out the heater control & accessory assy. Using a screwdriver, open the claw of the cable clamp and dis ...