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Home >> Infiniti >> 2016 >> QX50 AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnostic Trouble Codes (DTCS) (P0011-P0445) >> DTC/Circuit Diagnosis >> DTC P0102, P0103, P010C, P010D: Mass Air Flow Sensor Circuit Low/High Input >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0102 Mass air flow sensor (bank 1) circuit low input An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors

    (The sensor circuit is open or shorted.)

  • Intake air leaks
  • Mass air flow sensor
P0103 Mass air flow sensor (bank 1) circuit high input An excessively high voltage from the sensor is sent to ECM.
  • Harness or connectors

    (The sensor circuit is open or shorted.)

  • Mass air flow sensor
P010C Mass air flow sensor (bank 2) circuit low input An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors

    (The sensor circuit is open or shorted.)

  • Intake air leaks
  • Mass air flow sensor
P010D Mass air flow sensor (bank 2) circuit high input An excessively high voltage from the sensor is sent to ECM.
  • Harness or connectors

    (The sensor circuit is open or shorted.)

  • Mass air flow sensor
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