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Home >> Hyundai >> 2011 >> Azera GLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) >> DTC P0198: Engine Oil Temperature Sensor High Input >> Inspection/Repair >> W/Harness Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

  1. IG "OFF" and disconnect OTS connector.
  2. IG "ON".
  3. Measure voltage between signal terminal of OTS harness connector and chassis ground.

    Specification:  Approx. 5V

    Fig 1: Measuring Voltage Between Signal Terminal Of OTS Harness Connector And Chassis Ground
    G07251513Courtesy of HYUNDAI MOTOR CO.
  4. Is the measured voltage within specification?

    YES 

    NO 

    • Go to "Check open in harness" as follow.
  1. IG "OFF" and disconnect OTS connector and ECM connector.
  2. Measure resistance between signal terminal of OTS harness connector and OTS signal terminal of ECM harness connector.

    Specification:  Below 1Ω

    Fig 2: Measuring Resistance Between Signal Terminal Of OTS Harness Connector And OTS Signal Terminal Of ECM Harness Connector
    G07251514Courtesy of HYUNDAI MOTOR CO.
  3. Is the measured resistance within specification?

    YES 

    NO 

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