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DTC P0101 Mass Air Flow Circuit Range / Performance Problem: Description

Refer to DTC P0100 .

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
P0101
  • High voltage:

    Conditions (a), (b) and (c) continue for more than 10 seconds (2 trip detection logic):

    1. Engine speed less than 2,000 rpm
    2. Engine coolant temperature 70°C (158°F) or higher
    3. Output voltage of Mass Air Flow (MAF) meter more than specified value example 2.2 V at throttle position equal to 0 (varies with throttle position sensor voltage)
  • Low voltage:

    Conditions (a) and (b) continue for more than 6 seconds (2 trip detection logic):

    1. Engine speed more than 300 rpm
    2. Output voltage of MAF meter less than specified value example 0.7 V at throttle position equal to 0 (varies with throttle position sensor voltage)
MAF meter