Turn A/C and all lights OFF. Inspect and adjust at no load.

Warm the engine until idle is stabilized. Confirm that the idle speed is at the specified RPM.

Turn the ignition switch OFF.

Confirm there are no sharp bends in the cables.

Depress the accelerator pedal and check if the throttle lever moves smoothly from fully closed to fully open.

Check the inner cables for correct slack.

If there is too much slack or no slack, adjust the play by the following procedures :

If the cable is very loose, the loss of speed going uphill will be large.

If the cable is too tight, idle RPM will be high.

Assemble the cable to actuator and unit assembly.

Tighten nut "b" after pulling the cable tightly.

Back nut "b" off one turn.

Tighten nut "a".

Cable should have approximately 1mm of slack with the actuator and unit against the stop.