Control Module HVAC: Adjustments

Check Engine Speed Detecting Circuit

1) Run the engine and operate the air conditioner.
2) Check that the magnetic clutch disengages at the specified engine revolution.

Cut-off rpm: 450 - 550 rpm

3) If the cut-out rpm is too high, turn the rpm knob clockwise to adjust.
4) If the cut-out rpm is too low, turn the rpm knob counterclockwise to adjust.