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Home >> Hyundai >> 2016 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0118: Engine Coolant Temperature Circuit High Input >> W/Harness Inspection >> Ground Circuit Inspection

Ground Circuit Inspection

■ Check open in harness 

  1. IG "OFF" and disconnect ECTS connector and then IG "ON".
  2. Measure voltage between signal terminal of ECTS harness connector and chassis ground. (Measurement "A")
  3. Measure voltage between signal and ground terminals of ECTS harness connector. (Measurement "B")

    Specification:  Voltage difference between measurement "A" and "B" is below 200mV.

    Fig 1: Measuring Voltage Between Signal Terminal Of ECTS Harness Connector And Chassis Ground (Measurement A)
    G10372911Courtesy of HYUNDAI MOTOR AMERICA
    Fig 2: Measuring Voltage Between Signal And Ground Terminals Of ECTS Harness Connector (Measurement B)
    G10372912Courtesy of HYUNDAI MOTOR AMERICA
  4. Is the measured voltage within specification?

    YES 

    NO