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Home >> Lexus >> 2004 >> ES 330 >> Repair and Diagnosis >> External Pages >> Different car >> Section 302 (Engine Control System (SFI) - Diagnostics) >> DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance Problem >> Typical Enabling Conditions
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Typical Enabling Conditions

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.

All: 

TYPICAL ENABLING CONDITIONS SPECIFICATION TABLE (All)

The monitor will run whenever this DTC is not present See LIST OF DISABLE A MONITOR 

MAF Meter Rationality (High Voltage): 

MAF METER RATIONALITY SPECIFICATION (HIGH VOLTAGE)

Engine RPM Less than 2,000 RPM
ECT 70°C (158°F) or more

MAF Meter Rationality (Low Voltage): 

MAF METER RATIONALITY SPECIFICATION (LOW VOLTAGE)

Engine RPM More than 300 RPM
Fuel cut OFF