Verification Test VER-4A - Speed Control Verification Test
TEST VER-4A SPEED CONTROL VERIFICATIONInspect the vehicle to ensure that all engine components are connected. Reassemble and reconnect components as necessary.
If the powertrain control module has been changed, and the vehicle is equipped with a factory theft alarm, start the vehicle at least 20 times so that the alarm system may be activated when desired.
Connect the DRB to the PCM data link connector and erase the codes.
Ensure no other speed control problems remain by doing the following:
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. 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.
If the vehicle successfully passed all of the previous tests, the speed control system is now functioning as designed. The repair is now complete.
NOTE: Check for Technical Service Bulletins that pertain to these speed control problems and then, if necessary, return to DTC TEST.
DTC Test - CODE TO TC TEST CHART (Checking for Trouble Codes)