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HOMESERVICE MANUALSHYUNDAI2011SANTA FE GLS, 3.5 G, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS (3 OF 3) - G3.5 DOHCDTC U1112: LIN COMMUNICATION ERRORINSPECTION/REPAIRW/HARNESS INSPECTIONSIGNAL CIRCUIT INSPECTION
2011 Hyundai Santa Fe GLS, 3.5 G, AWD

Signal Circuit Inspection

2011 Hyundai Santa Fe GLS, 3.5 G, AWDSECTION Signal Circuit Inspection
  • Check open in harness 
    1. IG "OFF" and disconnect battery sensor and ECM connector.
    2. Check resistance between LIN terminal of battery sensor harness Connector and ECM harness connector.

      Specification :  Below 1.0Ω

      Fig 1: Checking Resistance Between LIN Terminal Of Battery Sensor Connector And ECM Connector
      G06843203Courtesy of HYUNDAI MOTOR CO.
    3. Is the measured resistance within specification?

      YES 

      • Go to  2.

      NO 

  • Check short to battery in harness 
    1. IG "OFF" and disconnect battery sensor and ECM connector.
    2. IG "ON"
    3. Measure the voltage between LIN terminal of battery sensor harness connector and chassis ground.

      Specification :  Approx. 0V

      Fig 2: Measuring Voltage Between LIN Terminal Of Battery Sensor Connector And Chassis Ground
      G06843204Courtesy of HYUNDAI MOTOR CO.
    4. Is the measured voltage within specification?

      YES 

      • Go to  3.

      NO 

  • Check short to ground in harness 
    1. IG "OFF" and disconnect battery sensor and ECM connector.
    2. Check resistance between LIN terminal of battery sensor harness Connector and chassis ground.

      Specification :  Infinity

      Fig 3: Checking Resistance Between LIN Terminal Of Battery Sensor Connector And Chassis Ground
      G06843205Courtesy of HYUNDAI MOTOR CO.
    3. Is the measured resistance within 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.