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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 136 (Air Conditioning System Diagnosis) >> DTC B1285-77: Direction Control Motor (Auto Defog) >> DTC Information And Inspection >> DTC Setting Condition

DTC Setting Condition

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Troubleshooting Condition Possible Cause
Main action
  • Monitor the voltage
  1. Poor contact of wire harness
  2. Open or short in motor power circuit
  3. Faulty auto defog actuator
  4. Faulty A/C Control Module
Prerequisite Condition
  • Turn the ignition switch ON
Threshold value
  • The actuator fails to switch to a desired position for 10 sec
Fail safe
  • Maintain the current position
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