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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 P0330: KNOCK SENSOR 2 CIRCUITSIGNAL 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
  1. Check for open in signal harness.
    1. Ignition "OFF".
    2. Measure resistance between terminals 2 of the sensor harness connector and 31 of the ECM harness connector.

      Specification: Approx. 0Ω

      Fig 1: Measuring Resistance Between Terminals 2 Of The Sensor Harness Connector And 31 Of The ECM Harness Connector
      G03846332Courtesy of HYUNDAI MOTOR CO.
    3. Is resistance within the specification?

      YES 

      • Go to next step.

      NO 

  2. Check for short to ground in signal harness.
    1. Ignition "OFF".
    2. Measure resistance between terminal 2 of the sensor harness connector and chassis ground.

      Specification: Infinite

      Fig 2: Measuring Resistance Between Terminal 2 Of The Sensor Harness Connector And Chassis Ground
      G03846333Courtesy of HYUNDAI MOTOR CO.
    3. Is resistance within the specification?

      YES 

      • Go to next step.

      NO 

  3. Check for short to power in signal harness.
    1. Ignition "OFF".
    2. Disconnect ECM connector.
    3. Ignition "ON" & Engine "OFF".
    4. Measure voltage between terminal 2 of the sensor harness connector and chassis ground.

      Specification: Approx. 0V

      Fig 3: Measuring Voltage Between Terminal 2 Of The Sensor Harness Connector And Chassis Ground
      G03846334Courtesy of HYUNDAI MOTOR CO.
    5. Is voltage within the specification?

      YES 

      NO 

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.