Rowing gears with a manual transmission is lots of fun, especially in a lightweight car with way too much horsepower. But when the gears start crunching and the clutch pedal sinks to the floor and you’re stuck at the line or a stoplight, a stick shift suddenly isn’t so much fun anymore. What’s more, fewer
In this case study–an excerpt from the MACS Quick Hits training video–Paul DeGuiseppi talks about a 2004 Chrysler Pacifica with a blend mode issue diagnosed to be a problem with the control head. The vehicle ended up being a comeback with the customer complaining about the same issue. Paul goes on to talk about how important the ability to diagnose electrical and electronic issues has become in HVAC repair and service.
Data-bussing and multiplexing can be complex and aggravating, but F.R.E.D. (Frustrating, Ridiculous, Electronic, Devices) can help solve the mystery behind it. Take our five question quick quiz to put your understanding of how the electronic modules communicate with each other to the test. Conquering this tough issue will help you save you valuable diagnostic time.