DeVille d Elegance V8-4.6L VIN Y (1998)
Powertrain Control Module: Description and Operation
SMCC Cruise Control Engaged Input
DESCRIPTION
The stepper motor cruise control module sends the cruise status input to the PCM to indicate when cruise control is engaged.
OPERATION
The PCM monitors the cruise status signal while commanding cruise to be disengaged via the cruise inhibit circuit. Any of the following conditions may
cause the PCM to inhibit cruise control operation:
^
Engine not running long enough for cruise control operation.
^
Transaxle range inputs indicate park, neutral, low, or reverse gear selected.
^
Engine speed is too high or too low.
^
Vehicle speed is too high or too low.
^
Traction is active.
^
Vehicle acceleration or deceleration rate is too high.
