Leganza CDX L4-2.2L DOHC D-TEC MFI (1999)
Cruise Control Actuator: Description and Operation
The cruise control actuator is a single component system.
The electronic controls are combined in one housing with the mechanical components. The actuator is mounted in the passenger compartment.
The mechanical components of the cruise control actuator are listed below:
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Permanent field DC motor.
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Single stage belt transfer gearing.
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Spindle drive.
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Electromagnetic clutch.
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Clutch plate with cable attachment.
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End switches.
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Plastic housing with noise reduction cover.
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Damping unit for clutch plate slap.
The mechanical parts are not serviceable. The entire actuator must be replaced if it is mechanically defective.
The electronics of the cruise control system include the following items:
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A microprocessor which controls speed regulation and monitors input signals.
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A clutch activation circuit which energizes the clutch magnet to couple the DC motor to the control cable.
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A driver circuit which activates the DC motor in a clockwise or counterclockwise direction.
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A control unit for lamp activation.
The electronic parts are not serviceable. The entire actuator must be replaced if there is an electronic defect in one of the systems.