Title: Interface with the vehicle’s on-board computer.
Course: Diesel Equipment Technology III (20107-III) > Section: Diesel Engines: Servicing the Electronic Fuel Management System

Interfacing should include

- connecting the diagnostic software to the engine ECM for complete diagnostic evaluation
- using PC-based software and scan tools
- following manufacturer guidelines and troubleshooting processes
- determining any needed action.

ASE 3: I. Diesel Engines: J. Drivability and Electronic Engine Controls (P-1)

Process/Skill Questions:

- What are the common system checks that all software systems analyze, even though each manufacturer has a separate set of software for their engine?
- What is the effect when the results are not provided with the claim, because software test results are required for equipment under warranty?
- Why do manufacturers create software specifically for their vehicles?