Cruise Control Module: Adjustments

ADJUSTMENTS







Regulator Adjustment

Regulator adjustments are pre-set by the manufacturer but, if all other components of the system appear to be functioning normally and the cruise command remains inoperative, perform the following adjustments to determine if the regulator is functional.

Remove the regulator attaching screws or tie straps and move the regulator downward for adjustment access.

CAUTION: The adjustment potentiometers are extremely delicate. Insert the screwdriver into the slots very carefully and do not push hard or turn hard against the wiper arm stops. The potentiometer wiper arms have a maximum turning angle of 270 degrees (three-quarter turn).

Turn the centering adjustment (1) to the 10 o'clock position.

Turn the low speed adjustment (2) to the 10 o'clock position.

Turn the sensitivity adjustment (3) full clockwise.

NOTE: The adjustments may not be precisely correct for the vehicle, but will be acceptable to determine if the regulator is functioning. The need for more precise adjustments can be determined by a road test.

If the adjustments have no effect on the Cruise Command operation, replace the regulator.

NOTE: The regulator is the only component of the system that cannot be isolated and tested separately. It must be tested while connected to the components of the system.

To adjust the regulator for engagement speed complaints, drive the vehicle on a level road surface and check operation.

If the actual engagement speed is 3.2 km/h (2 mph) or more above the selected engagement speed, stop the vehicle, turn the regulator centering screw approximately 1/16 of a turn counterclockwise and check the engagement speed again. Readjust the speed as needed.

If the actual engagement speed is 3.2 km/h (2 mph) or more below the selected engagement speed, stop the vehicle, turn the regulator centering screw 1/16 of a turn clockwise and check the engagement speed again.