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Home >> Nissan-Datsun >> 2017 >> Maxima SV >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 4) >> DTC/Circuit Diagnosis >> DTC P0102, P0103: MAF Sensor >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0102 MAF SEN/CIRCUIT-B1
(Mass or volume air flow "A" circuit low input)
Diagnosis condition Start engine and let it idle
Signal (terminal) Voltage signal transmitted from mass air flow sensor to ECM
Threshold An excessively low voltage from the sensor is sent to ECM
Diagnosis delay time -
P0103 MAF SEN/CIRCUIT-B1
(Mass or volume air flow "A" circuit high input)
Diagnosis condition
  • Ignition switch ON
  • Start engine and let it idle
Signal (terminal) Voltage signal transmitted from mass air flow sensor to ECM
Threshold An excessively high voltage from the sensor is sent to ECM
Diagnosis delay time -