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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    Safety information for Safety Connect
    Important! Read this information before using Safety Connect. ■ Exposure to radio frequency signals The Safety Connect system installed in your vehicle is a low-power radio transmitter and receiver. It receives and also sends out radio frequency (RF) signals. In August 1996, the Federal Communica ...

    Inspection procedure
    1 Input signal check See input signal check on page 05–745. check indicator light operation when driving with vehicle speed above 40 km/h (25 mph), and with vehicle speed below 40 km/h (25 mph). Ok: vehicle speed above 40 km/h (25 mph): indicator light blinks vehicle speed be ...

    Inspection procedure
    1 Check voltage at ig2 of airbag sensor assy center Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connector of the airbag sensor assy center.  connect the negative (–) terminal cable to the battery, and wa ...