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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 P0102-00: Mass or Volume Air Flow Circuit Low Input >> 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
  • Sensor signal voltage monitoring
  1. Poor connector connection
  2. Open or short in power circuit
  3. Short to ground in signal circuit
  4. Faulty MAFS
Enable Condition
  • Engine running time more than 0.8 seconds
  • Battery voltage is between 11V and 16V
Threshold Value
  • When the sensor signal does not repeat
  • MAF frequency signal voltage is more than 3.27V
Diagnostic Time
  • 2 seconds
MIL ON Condition
  • 2 driving cycles
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