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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 >> Power Circuit Inspection

Power Circuit Inspection

WARNING: This page is about a different variant/trim than selected.

■ Check voltage 

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

    Specification:  Approx. B+

  4. Is the measured voltage within specification?

    YES 

    NO 

    • Check "Fuse" between PCB block (fuel pump relay) and battery is not installed or blown off.
    • Check the Main relay that is not installed or blown off.
    • Repair or replace power circuits to relay as necessary. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.