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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System Diagnosis - 2.0L (Except HEV) (1 Of 6)) >> DTC P0078-00: Exhaust Valve Control Solenoid Circuit (Bank 1) >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical check
  1. Poor connector connection
  2. Open circuit in power circuit
  3. Open circuit in control circuit
  4. Faulty exhaust VFS
  5. Faulty PCM
Enable Condition
  • Time after engine start is more than 3.5s
  • Coolant temperature is more than -5°C
  • Reference position adaption is completed
  • No related CMP sensor error
  • No related CKP sensor error
Threshold Value
  • Open in VFS circuit is detected
Diagnostic Time
  • Continuous
MIL ON Condition
  • 2 driving cycles
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