Inspection and Verification
- Verify the customer concern.
- Verify the speedometer operates correctly without speed control by test driving the vehicle. If the speedometer does not operate correctly, refer to INSTRUMENT CLUSTER
.
- Verify the stoplamps operate correctly with the ignition switch in the OFF position. If the stoplamps do not operate correctly, refer to EXTERIOR LIGHTING
.
- Visually inspect for obvious signs of mechanical or electrical damage.
Courtesy of FORD MOTOR CO.
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
- If the cause of the fault is not visually evident, proceed to diagnoses of the speed control system by:
- Connecting the diagnostic tool or
- Entering the speed control self-test.