Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics

Perform the following procedure to confirm speed control system is operating correctly.
1. Test drive vehicle at 25 mph or more, ensure speed controls operate with switch in On position.
2. Depress set/coast switch for a minimum of 1 second to engage speed controls.
3. Release accelerator pedal, ensure car maintains speed.
4. Depress brake or clutch to disengage system, ensure vehicle decelerates.
5. Depress resume/accelerate switch for at least 1 second; vehicle should resume original speed.
6. Depress resume/accelerate switch for 1.5-4.5 seconds; vehicle speed should increase by one mph. Repeat this step once.
7. Turn speed control on/off switch to Off position, vehicle should decelerate.