LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2006 >> RX 400h 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
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Malfunction Thresholds

Mass Air Flow Meter Rationality (High Voltage): 

TYPICAL MALFUNCTION THRESHOLDS CHART

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

Mass Air Flow Meter Rationality (Low Voltage): 

TYPICAL MALFUNCTION THRESHOLDS CHART

Mass air flow meter voltage Less than 0.7 V (varies with throttle position sensor voltage)