Nubira SX Hatchback Cruise Control System Operation
Cruise Control: Description and Operation
Cruise Control Actuator
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 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 in order 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 parts of the cruise control actuator are not serviceable. The entire actuator must be replaced if there is an electronic or mechanical defect in one of
the systems.
