LEMON Manuals
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Cruise Control Systems
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Cruise Control Systems
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Description & Operation
Description
Operation
Engagement Switch
"Set/Coast" Switch
"SET" Position
"COAST" Position
"Tap-Down" Position
Electronic Control Module (ECM)
Servo Unit
Notes
Steady Cruise State
Vehicle Losing Speed
Vehicle Gaining Speed
Speed Sensors (Either May Be Used)
Speedometer Mounted with VSS Buffer
Transmission Mounted with VVS Buffer
Electrical & Vacuum Release Switches
Adjustments
Switch & Valve Adjustment
Cable & Servo Adjustment
2.5L, 2.8L & 3.8L (Ciera & Ninety Eight)
Chevrolet 2.8L, 4.3L, 5.0L & 5.7L (Except Corvette, Camaro & Monte Carlo)
2.0L Firenza
5.0L Buick & Oldsmobile
3.8L Cutlass
2.8L Camaro & 3.8L Century
3.8L Regal Turbo
5.0L Monte Carlo
5.7L Corvette
Trouble Shooting
Cruise System Surges
Cruise Set Speed High Or Low
Excessive Cruise Loss On Hills
"Tap-Up" Or "Tap-Down" Does Not Operate
Testing
Cruise Control Diagnosis
Servo Test
"Set/Coast" Switch Test
Engagement Switch Test
Cruise Release Switch Test
Speed Sender Test (Speedometer Type)
Speed Sender Test (Pm Generator Type)
Wiring Diagrams