The picture below is a real example of a Ford EEC V engine control module being tested. It is a typical tester screen developed for use with the Plant Link S.L. Test Programming Language.

In the first line the supply current of the module under test is measured and analysed. The result (in mA) is shown in the value column. The remaining lines show how different voltage outputs of the module (Injector 1, Coil Driver 1 and Injector 2) are measured and analysed. In all cases the values read are compared to lower and higher limits and the results (Pass or Fail) are shown in the last column.