Diagnostic Strategies

This system shares diagnostic procedures with the Computers and Control Systems. Refer to Computers and Control Systems / Testing and Inspection / Procedures / Trouble Code Diagnostic Charts when testing this system.




When trying to verify a speed control system electronic malfunction, connect a DRB scan tool, if available, to the data link connector. The connector is located at left side of the steering column, and at lower edge of the panel.

A speed control malfunction may occur without a diagnostic code being indicated.