2005 Kia Sedona cruise control

  • 6 POSTS
  • 2005 KIA SEDONA

Electrical problem
2005 Kia Sedona 6 cyl Front Wheel Drive Automatic 75000 miles

My cruise control is acting up. Sometimes it works fine, other times it will not set, resume, or anything. Sometimes it will turn off by itself for no apparent reason. Can anyone help?

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Thursday, April 2nd, 2009 AT 3:58 PM

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Cruise control system is engaged by "CRUISE" main switch located on center instrument panel, right of steering wheel. System has the capability to cruise, coast, resume speed, and accelerate, and raise "tap-up" or lower "tap-down" set speed. It also has a safety interrupt, engaged upon depressing brake or shifting select lever.
Stepper Motor Cruise Control (SMCC x.5) is a speed control system that maintains a required vehicle speed at normal driving conditions.
The main components of SMCC system are mode control switches, transaxle range switch, brake switch, vehicle speed sensor, cruise control module and control cable that connect throttle body.
SMCC system uses a cruise control module to gain the required vehicle cruise operation. Two important components of the module are an electronic controller and a electric stepper motor.
The controller monitors vehicle speed and operates the electric stepper motor. The motor moves a ribbon and throttle linkage, in response to controller, to maintain the desired cruise speed. The cruise control module contains a low speed limit which will prevent system engagement below a minimum speed of 40Km/h (25mph). The operation of the controller is controlled by mode control switches located on steering wheel.
Transaxle range switch and brake switch are provided to disengage the cruise control system. The switches are on brake pedal bracket and transaxle. When the brake pedal depressed or select lever shifted, the cruise control system is electrically disengaged and the throttle is returned to the idle position.

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Friday, April 10th, 2009 AT 7:09 PM

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