Cruise Control Systems: Testing: Notes
NOTE:
Test vehicles with computerized engine controls for stored computer codes. Repair codes and related problems prior to cruise control diagnosis. For additional information, see appropriate article:
- TESTS W/CODES - 4.9L
- TESTS W/CODES - 5.0L
- TESTS W/CODES - 5.8L
- TESTS W/CODES - 7.5L
- TESTS W/CODES - EEC-IV (DIESEL)
NOTE:
When diagnosing any speed control system malfunction, perform the following tests in the order they are presented. Some of the tests depend on proper results from previous tests.