FixVault

DTC P0103: Mass Or Volume Air Flow Circuit High Input: DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage range check
  • Open in ground harness.
  • Short to battery in signal harness.
  • Contact resistance in connections.
  • Faulty MAF sensor.
Enable Conditions
  • Battery voltage 10-16V
  • Engine speed > Approx. 540 rpm
Threshold Value
  • Measured MAF > 650 kg/h
Diagnostic Time
  • 10 revolutions.