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Home >> Hyundai >> 2015 >> Equus Ultimate >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2294: Fuel Pressure Regulator 2 Control Circuit >> Wiring Inspection >> Control Circuit Inspection

Control Circuit Inspection

  1. IG "OFF" & Disconnect FPR connector.
  2. IG "ON" & ENG "OFF".
  3. Measure the voltage between FPR open, FPR close terminal of FPR (B2) harness connector and chassis ground.

    Specification: 

    FPR open Terminal: Approx. 0~0.6V

    FPR close Terminal: Approx. 0.6V

  4. Is the measured voltage within specification?

    YES 

    NO