LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 6) >> Engine (ECM) >> DTC P0101: MAF Sensor >> DTC Description >> VR30DDTT engine >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P0101

MAF SEN/CIRCUIT-B1

(Mass or volume air flow "A" circuit range/performance)

  • A low frequency from the sensor is sent to ECM under light load driving condition.
  • A high frequency from the sensor is sent to ECM under heavy load driving condition.