Toyota
Dodge Durango
 Service Manual
Speed Control System » Description and operation
Speed control solenoid circuits

OPERATION

When all of the speed control parameters are met, and the SET button is pressed, the PCM actuates the vent solenoid and "duty-cycles" the vacuum solenoid to open the throttle and bring the vehicle up to target speed. When the vehicle is at target speed, it will actuate the vent solenoid with the vacuum solenoid de-activated to maintain the vehicle at target speed.

When the vehicle is above target speed, the PCM will "duty-cycle" the vent solenoid with the vacuum solenoid still de-activated to close the throttle to return to target speed.

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    Dodge Durango Service Manual / Speed Control System / Description and operation / Speed control solenoid circuits

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