Visual Check & Equipment Hookup: Notes
WARNING: This page is about a different car, the 1994 Mazda B4000. However, it is still accessible from the selected car via links, so may be relevant.
Complete all steps in BASIC TESTING article in the ENGINE PERFORMANCE section before proceeding to self-diagnostic tests. Ensure vacuum hoses and EEC-IV 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: