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Home >> Hyundai >> 2004 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Trouble Shooting Procedures >> DTC P0197: Engine Oil Temperature Sensor Circuit Low Input >> Inspection Procedures >> 3. Check Power To OTS
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3. Check Power To OTS

  1. Turn ignition switch to ON position.
  2. Measure voltage between terminal 2 of the OTS harness connector and chassis ground.
    Fig 1: Checking OTS Power Supply
    G00749255Courtesy of HYUNDAI MOTOR CO.
    • Specification : approximately 5V 

Is voltage within specification? 

Yes: Go to next step.

No: Repair open or short to chassis ground in harness.