DTC Detection Logic
NOTE:
If DTC P0101 is displayed with other DTC, first perform the trouble diagnosis for other DTC.
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) |
DTC detecting condition |
Possible cause |
| P0101 |
MAF SEN/CIRCUIT-B1
[Mass air flow (MAF) sensor circuit range/performance] |
- A high voltage from the sensor is sent to ECM under light load driving condition.
- A low voltage from the sensor is sent to ECM under heavy load driving condition.
|
- Harness or connectors (MAF sensor circuit is open or shorted.)
- Intake air leaks (e.g. poor connection)
- MAF sensor
- EVAP control system pressure sensor
- Intake air temperature sensor
|