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Home >> Nissan-Datsun >> 2017 >> Maxima SL >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 4) >> DTC/Circuit Diagnosis >> DTC P0101: MAF Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

  1. A high voltage from the sensor is sent to ECM under light load driving condition.
  2. A low voltage from the sensor is sent to ECM under heavy load driving condition.
DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0101 MAF SEN/CIRCUIT-B1
(Mass or volume air flow "A" circuit range/performance)
1 Diagnosis condition -
Signal (terminal) Voltage signal transmitted from MAF sensor to ECM
Threshold A high voltage from the sensor is sent to ECM under light load driving condition
Diagnosis delay time -
2 Diagnosis condition -
Signal (terminal) Voltage signal transmitted from MAF sensor to ECM
Threshold A low voltage from the sensor is sent to ECM under heavy load driving condition
Diagnosis delay time -