Toyota Corolla (E120): Circuit description

While driving uphill with cruise control activated, in order to minimize gear shifting and provide smooth cruising overdrive may be prohibited temporarily under some conditions.

The cruise control ecu sends o/d cut signals to the ecm as necessary and the ecm cancels overdrive shifting until these signals are discontinued.

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    When stopping the engine with the shift lever in a position other than P (vehicles with a continuously variable transmission)
    If the engine is stopped with the shift lever in a position other than P, the engine switch will not be turned off but instead be turned to ACCESSORY mode. Perform the following procedure to turn the switch off: 1 Check that the parking brake is set. 2 Shift the shift lever to P. ► Vehi ...

    Manual air conditioning system
    Air conditioning controls The display and button positions will differ depending on the type of the system. Fan speed control switch Temperature control switch "MAX A/C" switch "A/C" switch Outside air mode switch Recirculated air mode switch Airflow mode control switch Rear window defogge ...

    Key confinement prevention function does not work properly (unlock warning switch circuit)
    Circuit description The unlock warning switch turns on when the key is inserted in the ignition key cylinder and the door courtesy switch turns on when the driver’s door is opened, and the integration relay monitors both switches conditions. According to these switches conditions, the int ...