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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 120 (Air Conditioning System Diagnosis (HEV)) >> DTC B1205: Air Mix Potentiometer Short (High) - Passenger >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage check
  1. Short to battery in signal (Feedback) circuit
  2. Faulty passenger air mix actuator
  3. Faulty A/C control unit
Enable Conditions
  • Ignition ON
Threshold Value
  • Passenger Air mix actuator (Temperature actuator) sensor signal is at or over 4.9V for 0.3 seconds
Fail-Safe
  • setting temperature: 16°C (62.6°F) - 24°C (76.1°F) fix at max. cooling position
  • setting temperature: 25°C (77°F) - 31°C (89.6°F) fix at max. heating position
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