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Home >> Lexus >> 2006 >> GS 430 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (3UZ-FE) >> SFI System >> DTC P0101 Mass Air Flow Circuit Range / Performance Problem >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

Case 1: Mass air flow meter rationality (high voltage) 

MAF METER VOLTAGE

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

Case 2: Mass air flow meter rationality (low voltage) 

MAF METER VOLTAGE

MAF air flow meter voltage Less than 2 V (varies with throttle position)