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

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    USB Port/AUX Port
    Connect an iPod, USB memory device or portable audio player to the USB/AUX port as indicated below. Select “iPod”, “USB” or “AUX” on the audio source selection screen and the device can be operated via multimedia system. Connecting using the USB/AUX port ■ iPod Open the cove ...

    Taking out the spare tire
    1 Remove the luggage floor cover. 2 Remove the tool tray. 3 Loosen the center fastener that secures the spare tire. CAUTION ■When storing the spare tire Be careful not to catch fingers or other body parts between the spare tire and the body of the vehicle. ...

    Inspection procedure
    Hint: hand–held tester only: narrowing down the trouble area is possible by performing ”a/f control” active test (heated oxygen sensor or other trouble areas can be distinguished). Perform active test using hand–held tester (a/f control). Hint: ”a/f control” is the active te ...