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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 B1283: Direction Potentiometer Open (Low) - AUTO Defog >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage check
  1. Poor Contact in harness
  2. Open or short in signal (Feedback Signal) circuit
  3. Open or short in power circuit
  4. Faulty Auto defogger actuator
  5. Faulty Air Conditioner Control Module
Enable Conditions
  • IG KEY ON
Threshold Value
  • Feedback signal has been detected open or below 0.1V for 0.3 seconds
Fail-Safe
  • If selected Mode was VENT, it is moved and fixed at Close position
  • If the others mode, it is moved and fixed at Open position
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