Test Description

This test detects the close of the Set-Coast switch in the turn signal lever at terminal D3 of the PCM. The Cruise Switch must be ON to perform this test. Switch Test EI82 should be performed before this test to ensure power to the SET/COAST switch.

NOTE: For diagnostic chart, see Fig 1 . For circuit identification, see Figure .

LO indicate the Set/Coast switch is open. HI indicates that the switch is closed.

Fig 1: PCM Input EI83: Cruise Control Set/Coast Switch Flow Chart

Courtesy of GENERAL MOTORS CORP.