Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSHYUNDAI2005SANTA FE GLS, 2.7 D, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS (2.7L) (2 OF 2)DTC TROUBLESHOOTING PROCEDURESDTC P0462: FUEL LEVEL SENSOR "A" CIRCUIT LOW INPUTSIGNAL CIRCUIT INSPECTION

2005 Hyundai Santa Fe GLS, 2.7 D, AWD

Signal Circuit Inspection

2005 Hyundai Santa Fe GLS, 2.7 D, AWDSECTION Signal Circuit Inspection

Check for open in signal circuit.
1. Ignition "OFF".
2. Disconnect FLS and ECM connector.
3. Measure resistance between terminals 2 of the FLS harness connector and 5 of the ECM harness connector.
  Specification: Approx. 0Ω
  
  Fig 1: Measuring Resistance Between Terminals 2 Of The FLS Harness Connector And 5 Of The ECM Harness Connector
  Courtesy of HYUNDAI MOTOR CO.
4. Is resistance within the specification?
  YES
  - Go to FUEL LEVEL SENSOR (FLS) INSPECTION .
  NO
  - Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check for short to ground in signal circuit
1. Measure resistance between terminal 2 of the FLS harness connector and chassis ground
  Specification infinite
  
  Fig 2: Measuring Resistance Between Terminal 2 Of The FLS Harness Connector And Chassis Ground
  Courtesy of HYUNDAI MOTOR CO.
2. Is resistance within the specification?
  YES
  - Go to FUEL LEVEL SENSOR (FLS) INSPECTION .
  NO
  - Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.