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Home >> Hyundai >> 2017 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0663: Intake Manifold Tuning Valve Control Circuit/Open (Bank 2) >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Signal low, high
  1. Poor connection
  2. Open or short in VIS1 circuit
  3. Faulty VIS2
  4. Faulty PCM
Enable Conditions
  • After 0.5 sec under conditions below
  • Engine running
  • Battery voltage between 11V and 16V
Threshold value
  • Open or short
Diagnosis Time
  • Continuous (More than 5 seconds failure for every 10 seconds test)
MIL On Condition
  • DTC only (NO MIL ON)
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