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Home >> Cadillac >> 1994 >> DeVille Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Cruise Control System) >> Description & Operation >> Servo >> Notes
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Description & Operation: Servo: Notes

WARNING: This page is about a different car, the 1995 Cadillac Seville, 1995 Cadillac Eldorado, and 1995 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

Servo consists of a vacuum-operated diaphragm, a normally open vent solenoid valve to vent the diaphragm chamber to atmosphere and a normally closed vacuum solenoid valve to connect diaphragm chamber to vacuum source. Servo operates throttle in response to signals from PCM as follows:

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