Fifth Avenue V6-231 3.8L VIN L FI (1992)
Cruise Control Vacuum Vent Solenoid: Description and Operation
Purpose
Maintain set speed.
Vent vacuum to disable system, if there is a brake application or the switch is turned off.
Operation
Control Module maintains set speed by actuating the vent and vacuum solenoids through the circuit ground.
- When the PCM supplies a ground to the vacuum and vent solenoids, the speed control system opens the throttle plate.
- When the PCM removes the ground from the vacuum and vent solenoids, the throttle blade closes.
