Cruise Control Servo
WARNING: This page is about a different car, the 2003 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
Vacuum operated cruise control system is electronically controlled by PCM. Controls are located on steering wheel and consist of 2 separate switch pods. The switches use multiplexed circuits to provide input to the PCM for OFF/ON, SET/DECEL, RESUME/ACCEL and CANCEL modes PCM controls vacuum and vent solenoids, located inside cruise control servo, when operating cruise control system. System will operate at 35-85 MPH. When brake pedal is depressed enough to activate brake switch, PCM will release vacuum and disengage cruise control.