Test J: Step 5
5) Check Voltage to POWER-to-PUMP Circuit With KOEO, breakout box installed and ECA connected, set DVOM on 20-volt scale. Measure voltage between chassis ground and POWER-to-PUMP circuit at fuel pump relay while cranking engine. If reading is less than 8 volts, go to step 6). If reading is 8 volts or more, check the following: open in POWER-to-PUMP circuit, open in fuel pump and open fuel pump ground circuit.