An ECU test bench, like the one shown in Figure 7-1, consists of an ECU, a power supply, an optional power switch, and an OBD-II connector. You can also add an IC or other CAN-related systems for testing, but just building a basic ECU test bench is a great way to learn the CAN bus and how to create custom tools. In this chapter, we’ll walk step by step through the process of building a test bench for development and testing.

The Basic ECU Test Bench

The most basic test bench is the device that you want to target and a power supply. When you give an ECU the proper amount of power, you can start performing tests ...

Get The Car Hacker's Handbook now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.