Many seasoned locksmiths got one of these, because it was the only machine for a long time to perform passive anti-theft systems (PATS) functions. It used the same PCMIA cards (software memory cards) as the Tech2. The giant capital-T-shaped tool is unmistakable. This tool started as an OBD-I tool and advanced to OBD-II. If the vehicle has CAN, communication will take place on pins 6 and 14.įord’s first original-equipment tool was the New Generation Star (NGS). The only common network across all vehicles is pins 6 and 14, referred to as the Control Area Network or CAN. Pin 4 is always a ground to the chassis, and pin 5 is a signal ground. This is direct from the battery, with only a fuse protecting the circuit. These are known as the SAE standards, for SAE International. Depending on the year and other factors, they might not have all the applicable networks.Īlthough each vehicle manufacturer has the right to make the OBD port as it sees fit, some requirements are standard.
(See the accompanying diagram.) Not all Fords have all 16 slots filled. The changes were subtle at first but have evolved in complexity and sophistication, so much that, in my opinion, Ford’s networks now surpass those of other domestic and Asian manufacturers and come just short of the those designed by European automakers.īefore jumping into tools and protocols, by which vehicle modules communicate either with other modules or with scan tools, I want to discuss the onboard diagnostics (OBD) port, now known as OBD-II, and what some of the 16 slots control. The changes in programming with regard to Chrysler vehicles are well-known.
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