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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 125 (Engine Control System Diagnosis (1 Of 2) (HEV)) >> DTC P0118: Engine Coolant Temperature Circuit High Input >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage range check
  1. Short to battery in signal harness
  2. Open in signal or ground circuit
  3. Poor connection or damaged harness
  4. Faulty ECT sensor
Enable Conditions
  • 6V < Battery voltage
  • IAT >-30°C(-22°F) or IAT <-30°C(-22°F)
  • Time after start > 60sec.
Threshold Value
  • ECTS voltage > 4.94V
Diagnostic Time
  • 1 sec.
Mil On Condition
  • 2 Driving Cycles
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