A study of the various inputs, outputs, and models of operation common to most computer controlled systems. General diagnosis will be emphasized using multimeters, lab scopes, and scan tools. Students will be introduced to OBD II systems. This course will also assist technicians preparing for the State of California Smog License and the ASE L1 exams. This course requires the student to be able to use hand tools that require a twisting motion, lifting objects that weigh a minimum of 35 pounds, and vision capabilities to read mechanical precision measurement tools (similar to reading 8 or 9 pt font from 6-12 inches away).