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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 125 (Engine Control System Diagnosis (1 Of 2) (HEV)) >> DTC P0230: Fuel Pump Primary Circuit >> W/Harness Inspection >> Control Circuit Inspection

Control Circuit Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Measure voltage between control terminal of Fuel Pump Relay harness connector and chassis ground.

    Specification:  4~5V

    Fig 1: Measuring Voltage Between Control Terminal Of Fuel Pump Relay Harness Connector And Chassis Ground
    G10606527Courtesy of HYUNDAI MOTOR AMERICA
  2. Is voltage within the specification?

    YES 

    • Go to next step as below.

    NO