7BUILDING AND USING ECU TEST BENCHES

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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 ...

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