Test FD: Step 6
6) Check BOO Circuit For Short to Power Turn key off. With breakout box installed and ECA disconnected, set DVOM on 20-volt scale. Disconnect BOO circuit harness connector. Measure voltage between test pin No. 2 and an engine block ground. If voltage is greater than 1.0 volt, repair short circuit, Remove breakout box, reconnect all components and repeat KOER Self-Test. If not, go to next step.