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Home >> Lexus >> 2006 >> RX 330 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System (3MZ-FE) >> SFI System >> DTC P0101 Mass Air Flow Circuit Range / Performance Problem >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

Mass Air Flow Meter Rationality (High Voltage): 

MASS AIR FLOW METER RATIONALITY (HIGH VOLTAGE)

Mass air flow meter voltage More than 2.2 V (varies with throttle position sensor voltage)

Mass Air Flow Meter Rationality (Low Voltage): 

MASS AIR FLOW METER RATIONALITY (LOW VOLTAGE)

Mass air flow meter voltage Less than 0.54 V (varies with throttle position sensor voltage)