Verification Test VER-4A - Speed Control Verification Test

NOTE: Before proceeding, visually ensure all engine components are connected. Assemble and connect components as necessary.


IF THE POWERTRAIN CONTROL MODULE HAS BEEN CHANGED, DO THE FOLLOWING:

1. If the vehicle is equipped with a vehicle theft security system, start the vehicle at least 20 times so that the alarm system may be activated when desired.


2. Connect a scan tool to the data link connector and erase the codes.

OTHERWISE VERIFY PROPER SPEED CONTROL SYSTEM OPERATION:

1. Road test the vehicle at a speed above 35 mph.


2. Turn the speed control ON/OFF switch to the ON position.


3. Depress and release the SET switch. If the speed control did not engage, the repair is not complete.*

4. - For stalk mounted switch equipped vehicles, quickly depress and release the SET switch.

- If the vehicle speed did not increase by 2 mph, the repair is not complete.*
- For steering wheel mounted switch equipped vehicles, quickly depress and release the RESUME/ACCEL switch.

- If the vehicle speed did not increase by 2 mph, the repair is not complete.*

5. Using caution, depress and release the brake pedal.

- If the speed control did not disengage, the repair is not complete.*

6. Bring the vehicle speed back up to 35 mph.


7. Depress the RESUME/ACCEL switch.

- If the speed control did not resume the previously set speed, the repair is not complete.*

8. Hold down the SET switch.

- If the vehicle did not decelerate, the repair is not complete.*

9. Ensure the vehicle speed is greater than 35 mph and release the SET switch.

- If the vehicle did not adjust and set a new vehicle speed, the repair is not complete.*

10. Turn on the ON/OFF switch to the OFF position.

- If the speed control did not disengage, the repair is not complete.*

NOTE: If the vehicle successfully passed ALL of the previous tests, the speed control system is now functioning as designed. The repair is now complete.


* Check for Technical Service Bulletins that pertain to this speed control problem and then, if necessary, return to TEST TC-1A. TC-1A CODE TO TC TEST CHART (Checking For Trouble Codes)