Toyota Corolla (E120): Circuit description

This circuit sends a signal to the cruise control ecu assy that dtc output is required.

Wiring diagram

Inspection procedure

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    When driving uphill under cruise control, in order to reduce the number of shifting due to on–off overdrive operation and to provide smooth driving, when down shifting in the electronically controlled transmission occurs, a signal to prevent upshift until the end of the uphill slope is sent ...