LEMON Manuals: Even more car manuals for everyone
Home >> Scion >> 2005 >> xB Automatic >> Repair and Diagnosis >> Engine Performance >> SFI System >> DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance Problem >> Typical Enabling Conditions

Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS

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

MAF Meter Rationality (High Voltage): 

MAF METER RATIONALITY (HIGH VOLTAGE)

Engine speed Less than 900 rpm
Engine coolant temperature 70°C (158°F) or more
Mass air flow meter voltage 4.9 V or less

MAF Meter Rationality (Low Voltage): 

MAF METER RATIONALITY (LOW VOLTAGE)

Engine speed More than 0 rpm
Mass air flow meter voltage 0.1V
Fuel cut OFF