2011 Polaris Ranger RZR ATV Service Manual, Page 132Get this manual
ELECTRONIC FUEL INJECTION Fuel Pump Test
If fuel delivery problem is suspected, make certain the fuel pump filters are not plugged, that the pump is being activated through the ECU, all electrical connections are properly secured, the fuses are good, and minimum of 7.0 volts is being suppliedIf during starting the battery voltage drops below 7.0 volts, the ECU will fail to operate the system
Normal Fuel Pressure: 45 +- psiNOTE: If the fuel pressure is out of specification, replace the fuel pump assembly6If the pump did not activate (Step 5), disconnect the harness connector from the fuel pumpConnect DC voltmeter across terminals "3" and "4" in the plug on the vehicle fuel pump harnessTurn on the key switch and observe voltage to ensure minimum of volts is present