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Home >> Nissan-Datsun >> 2021 >> Sentra S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 4) >> DTC/Circuit Diagnosis >> DTC P0103: MAF Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

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

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