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Home >> Nissan-Datsun >> 2013 >> Sentra S, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes & Symptom Tests) >> DTC/Circuit Diagnosis >> DTC P0101, P0102, P0103: MAF Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause
P0101 MAF SEN/CIRCUIT-B1 (Mass or volume air flow "A" circuit range/performance) An excessively high voltage from the mass air flow sensor is sent to ECM.
  • Harness or connectors (Mass air flow sensor circuit is open or shorted.)
  • Mass air flow sensor
  • Sensor power supply 2 circuit
P0102 MAF SEN/CIRCUIT-B1 (Mass or volume air flow "A" circuit low input) An excessively low voltage from the mass air flow sensor is sent to ECM.
  • Harness or connectors (Mass air flow sensor circuit is open or shorted.)
  • Intake air leaks
  • Mass air flow sensor
  • Sensor power supply 2 circuit
P0103 MAF SEN/CIRCUIT-B1 (Mass or volume air flow "A" circuit high input) An excessively high voltage from the mass air flow sensor is sent to ECM.
  • Harness or connectors (Mass air flow sensor circuit is open or shorted.)
  • Mass air flow sensor
  • Sensor power supply 2 circuit
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