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Home >> Hyundai >> 2008 >> Tucson GLS, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4GC - GSL 2.0) >> DTC Troubleshooting Procedures >> DTC P0198 Engine Oil Temp. Sensor High Input >> Signal Circuit Inspection

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. OΩ

      Fig 1: Measuring Resistance Between Terminals 2 Of OTS Harness Connector And 52 Of PCM Harness Connector
      G04810775Courtesy of HYUNDAI MOTOR CO.
    3. Is resistance within specification?

      YES  : --> Go to next step as below.

      NO  : --> Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

  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. OV

      Fig 2: Measuring Voltage Between Terminals 2 Of OTS Harness Connector And 52 Of PCM Harness Connector
      G04810776Courtesy of HYUNDAI MOTOR CO.
    4. Is voltage within specification?

      YES  : --> Go to "TERMINAL AND CONNECTOR INSPECTION " procedure.

      NO  : --> Repair short to battery in harness and go to "VERIFICATION OF VEHICLE REPAIR " procedure.