LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2005 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System (SFI) (1ZZ-FE(4WD)) - Diagnostics) >> SFI System (1ZZ-FE (4WD)) >> DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance Problem >> Typical Malfunction Thresholds
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.

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 0.62 V (varies with throttle position sensor voltage)