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Home >> Nissan-Datsun >> 2014 >> Versa SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes & Symptom Tests) >> DTC/Circuit Diagnosis >> DTC P0101: MAF Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P0101 is displayed with other DTC, first perform the trouble diagnosis for other DTC.
DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P0101 MAF SEN/CIRCUIT-B1
[Mass air flow (MAF) sensor circuit range/performance]
  • A high voltage from the sensor is sent to ECM under light load driving condition.
  • A low voltage from the sensor is sent to ECM under heavy load driving condition.
  • Harness or connectors (MAF sensor circuit is open or shorted.)
  • Intake air leaks
  • MAF sensor
  • EVAP control system pressure sensor
  • Intake air temperature sensor
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