DTC P0101 Mass or Volume Air Flow Circuit Range/Performance Problem: Description
Refer to DTC P0100 (See
DTC P0100 MASS OR VOLUME AIR FLOW CIRCUIT; DTC P0102 MASS OR VOLUME AIR FLOW CIRCUIT LOW INPUT; DTC P0103 MASS OR VOLUME AIR FLOW CIRCUIT HIGH INPUT ).
DTC DETECTION CONDITION CHART
| DTC No. |
DTC Detection Condition |
Trouble Area |
| P0101 |
Conditions (a), (b), (c) (d) and (e) continue for more than 10 seconds
(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 1.23% (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
- Air induction system
- PCV hose connections
|