data bus Archives - Tomorrows Technician
Fuel Pump Diagnostics: Using Scan Tools

With a scan tool, it’s possible to verify if the modules controlling the fuel pump are receiving the correct data like oil pressure, crank position and key ­position.

FRED Kicks the CAN: Chevy Malibu FKTC Tip Clip

In this case study with Dave Hobbs, we learn about the complexities and challenges of diagnostics of data bus systems. Dave talks about a Chevy Malibu he once worked on: it couldn’t start several modules. He talks about how, sometimes, bus issues can be things you would never suspect and how keeping up with learning about these systems and understanding their complexities is necessary if you want to work on cars with these problems.