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Home >> Kia >> 2009 >> Sedona Base >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 2) >> P0197: Engine Oil Temp. Sensor Low Input >> Component Inspection
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Component Inspection

  1. Check resistance of OTS
    1. IG "ON" & ENG "OFF"
    2. Monitor Oil Temperature parameter on the scan tool
    3. IG "OFF" & ENG "OFF"
    4. Disconnect OTS connector.
    5. Measure resistance between terminal 1 and 2 of OTS connector (Component Side)

      SPECIFICATION : 

      RESISTANCE SPECIFICATION

      Temperature (°C/°F) Resistance (kΩ)
      -20°C/ -4°F 16.52kΩ
      20°C/ 68°F 2.45kΩ
      80°C/ 176°F 0.29kΩ
      Fig 1: Measuring Resistance Between Terminal 1 And 2 Of OTS Connector (Component Side)
      G04883397Courtesy of KIA MOTORS AMERICA, INC.
    6. Is the measured resistance within specification?

      YES 

      • Go to step  2.

      NO 

      • Substitute with a known-good OTS and check for proper operation. If the problem is corrected, replace OTS and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  2. Check PCM
    1. Ignition "OFF" and Connect scan tool
    2. Ignition "ON" & Engine "OFF"
    3. Select simulation function on scan tool.
    4. Simulate voltage at terminal "1" of OTS signal harness connector.
      Fig 2: Scan Tool Display - Simulation Scan Function
      G04883398Courtesy of KIA MOTORS AMERICA, INC.
    5. Does the OTS signal value changes according to simulation voltage?

      YES 

      • Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace if necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure

      NO 

      • Substitute with a known-good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
    NOTE: There is a memory reset function on scan tool that can erase optional parts automatically detected and memorized by PCM. After testing PCM on the vehicle, use this function to reuse the PCM on the others