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Home >> Toyota >> 2005 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (SFI) (1ZZ-FE (Fwd)) - Diagnostics >> SFI System (1ZZ-FE (Ff)) >> DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance Problem >> Typical Enabling Conditions
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Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS REFERENCE (DTC P0101)

Monitor runs whenever following DTCs not present See LIST OF DISABLE A MONITOR 

Mass Air Flow Meter Rationality (High Voltage): 

TYPICAL ENABLING CONDITIONS MAF METER RATIONALITY - HIGH VOLTAGE (DTC P0101)

Engine speed Less than 2,000 RPM
Engine coolant temperature 70°C (158°F) or more
Mass air flow meter voltage 4.9V or less

Mass Air Flow Meter Rationality (Low Voltage): 

TYPICAL ENABLING CONDITIONS MAF METER RATIONALITY - LOW VOLTAGE (DTC P0101)

Engine speed More than 300 RPM
Mass air flow meter voltage 0.2V or more
Fuel cut OFF