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Home >> Hyundai >> 2005 >> Elantra GT, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Troubleshooting Procedures >> DTC P0198: Engine Oil Temp. Sensor High Input >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. Check for open in signal circuit.
    1. Ignition "OFF"
    2. Measure resistance between terminals 2 of the OTS harness connector and 52 of the PCM harness connector.

      Specification : Approx. 0Ω

      Fig 1: Measuring Resistance Between Terminals 2 Of OTS Harness Connector And 52 Of PCM Harness Connector
      G03842772Courtesy of HYUNDAI MOTOR CO.
    3. Is resistance within specification?

      YES 

      • Go to next step as below.

      NO 

  2. Check for short to battery in signal circuit.
    1. Disconnected PCM connector.
    2. Ignition "ON" & Engine "OFF".
    3. Measure voltage between terminals 2 of the OTS harness connector and 52 of the PCM harness connector.

      Specification : Approx. 0V

      Fig 2: Measuring Voltage Between Terminals 2 Of OTS Harness Connector And 52 Of PCM Harness Connector
      G03842773Courtesy of HYUNDAI MOTOR CO.
    4. Is voltage within specification?

      YES 

      NO 

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