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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 42 (Engine Control System Diagnosis - 2.0L (2 Of 3) (Except HEV)) >> DTC P0230: Fuel Pump Primary Circuit >> Wiring Inspection >> Control Circuit Inspection

Control Circuit Inspection

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■ Check voltage 

  1. IG "OFF". Remove PCB block (fuel pump relay).
  2. IG "ON".
  3. Measure voltage between fuel pump relay control terminal of PCB block (fuel pump relay) harness and chassis ground.

    Specification:  Approx. 4.5 V

  4. Is the measured voltage within specification?

    YES 

    NO