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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0153 >> DTC P006A, P0101, P010B: MAF Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P006A, P0101 or P010B is displayed with other DTC, first perform the trouble diagnosis for other DTC.
DTC DETECTING CONDITION AND POSSIBLE CAUSES

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P006A Manifold absolute pressure - mass air flow correlation A difference exceeding the specified value develops between a value transmitted from the manifold absolute pressure (MAP) sensor to ECM and an estimated intake pressure of intake manifold calculated by ECM, based on a mass sir flow sensor signal.
  • Harness or connectors (The sensor circuit is open or shorted.)
  • Mass air flow sensor
  • Manifold absolute pressure (MAP) sensor
  • EVAP control system pressure sensor
  • Intake air leaks
  • Intake air temperature sensor
P0101 Mass air flow sensor (bank 1) circuit range/performance A difference exceeding the specified value develops between a signal transmitted from the mass air flow sensor (bank 1) to ECM and a signal transmitted from the mass air flow sensor (bank 2) to ECM. Mass air flow sensor (bank 1)
P010B Mass air flow sensor (bank 2) circuit range/performance Mass air flow sensor (bank 2)