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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    Precaution
    1. Work precautions (A) vehicle protection (1) when welding, cover glass, seats, carpets, etc. With heat resistant fireploof covers to protect them. (B) safety (1) never stand in the path of the chain when using a puller on the body or frame, and be sure to attach a safety cable. ...

    Replacement
    Hint: installation is in the reverse order of the removal. But the installation is indicated only when it has a point. 1. Remove luggage compartment door cover 2. Remove rear spoiler  remove the 2 screws.  disconnect the wire harness connector.  put protective tape. &nb ...

    Pre–check
    1. Selecting compass display mode  the compass switch allows you to select the display or non–display mode of the compass. 2. Setting zone  deviation between the ”magnetic north” and ”actual north” differs depending on the location. Therefore, adjustment of the ...