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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 >> Component Inspection

Component Inspection

WARNING: This page is about a different variant/trim than selected.
  1. With Ignition OFF, remove the fuel pump relay.
  2. Measure resistance between terminals 85 and 86 of the fuel pump relay (Component side).

    Specification:  Approx. 70~120Ω at 20°C(68°F)

    Fig 1: Scantool Display - Current Data
    G10606525Courtesy of HYUNDAI MOTOR AMERICA
  3. Apply 12V and a ground to 85 and 86 terminals of the fuel pump relay (Components side).
  4. Check if the main relay works well when it is energized. (If the fuel pump relay works normally, a clicking sound can be heard.)
  5. Does the fuel pump relay operate normally?

    YES 

    • Go to next step as below.

    NO 

    • Check fuel pump relay for contamination, deterioration, or damage. Substitute with a known-good fuel pump relay and check for proper operation. If the problem is corrected, replace fuel pump relay and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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