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Home >> Hyundai >> 2008 >> Azera GLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC Troubleshooting Procedures >> DTC P0230 Fuel Pump Primary Circuit >> Component Inspection

Component Inspection

  1. Check fuel pump relay
    1. IG "OFF"
    2. Disconnect Fuel Pump Relay
    3. Measure resistance between terminal 1 and 2 of Fuel Pump Relay
    4. Measure resistance between terminal 3 and 5 of Fuel Pump Relay

      SPECIFICATION: 

      RESISTANCE SPECIFICATION

      Terminal Continuity
      1~2 NO
      3~5 YES (Approx. 70Ω - 120Ω)
      Fig 1: Measuring Resistance Between Fuel Pump Relay Terminals 3/1 And 5/2
      G04879819Courtesy of HYUNDAI MOTOR CO.
    5. Is the measured resistance within specification?

      YES 

      • Substitute with a known - good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
      NOTE: There is a memory reset function on scantool that can erase optional parts automatically detected and memorized by PCM. After testing PCM on the vehicle, use this function to reuse the PCM on the others

      NO 

      • Substitute with a known - good Fuel Pump Relay and check for proper operation. If the problem is corrected, replace Fuel Pump Relay and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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