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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 381 (Air Conditioning System Diagnosis) >> DTC B16A4-13: ECV Fault >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2023 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage monitoring
  • Poor circuit connection
  • Poor ECV connection
  • Open in circuit
  • Faulty ECV
  • Faulty A/C control module
Enable Condition
  • Ignition "ON"
Threshold Value
  • First: A/C control module is less than 500ms when ignition, stator terminal is higher than 100ms for more than fault
  • Second: The current of the ECV F/B is less than 100 mA for more than 4s when ignition "ON"
Fail Safe
  • The ECV is not operated