DTC P0101: Mass Air Flow Circuit Range / Performance Problem: Description
Refer to DTC P0100 (see
DTC P0100 MASS AIR FLOW CIRCUIT MALFUNCTION; DTC P0102 MASS AIR FLOW CIRCUIT LOW; DTC P0103 MASS AIR FLOW CIRCUIT HIGH ).
DTC DETECTION CONDITION CHART
| DTC No. |
DTC Detection Condition |
Trouble Area |
| P0101 |
Conditions (a), (b), (c), (d) and (e) are met (2 trip detection logic):
- Engine running
- Engine coolant temperature 70°C (158°F) or higher
- Throttle Position (TP) sensor voltage 0.24 V or more
- Average engine load value ratio less than 0.85, or more than 1.73 (varies with estimated engine load) Average engine load value ratio = Average engine load based on MAF meter output / Average engine load estimated from driving conditions
- Average air-fuel ratio less than -20%, or more than 20%
|
MAF meter |