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Home >> Nissan-Datsun >> 2014 >> Juke SL, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0100 To P0128 >> DTC P0102, P0103: MAF Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC No. Trouble diagnosis name
(Trouble diagnosis content)
DTC detecting condition Possible cause
P0102 MAF SEN/CIRCUIT-B1
(Mass air flow sensor 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
P0103 MAF SEN/CIRCUIT-B1
(Mass air flow sensor 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