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Home >> Hyundai >> 2005 >> Elantra GLS, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Troubleshooting Procedures >> DTC P0230: Fuel Pump Primary Circuit >> Power Supply Circuit Inspection

Power Supply Circuit Inspection

  1. Remove the fuel pump relay.
  2. Ignition "ON" & Engine "OFF".
  3. Measure the voltage between terminal 5 of the fuel pump relay harness connector and chassis ground.
  4. Measure the voltage between terminal 1 of the fuel pump relay harness connector and chassis ground.

    Specification : Approx. B+

    Fig 1: Measuring Voltage Between Terminal 1 Of Fuel Pump Relay Harness Connector And Chassis Ground
    G03842778Courtesy of HYUNDAI MOTOR CO.
  5. Is voltage within the specification?

    YES 

    NO 

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