Visual Check & Equipment Hookup: Notes

Download the full database via torrent (~1.1 TB)

Complete all steps in BASIC TESTING - 3.0L article before proceeding to self-diagnostic tests. Ensure vacuum hoses and wiring harnesses are properly connected. Apply parking brake, and place shift lever in Park (A/T) or Neutral (M/T). Block drive wheels. Turn off all electrical loads. Connect appropriate test equipment to vehicle as follows:

NOTE: To retrieve codes using the MIL, see MALFUNCTION INDICATOR LIGHT (MIL) .