October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
DTC Detection Logic
DTC DETECTION LOGIC CHART
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible cause |
| P0101 |
Mass air flow sensor circuit range/performance |
A) |
A high voltage from the sensor is sent to ECM under light load driving condition. |
- Harness or connectors (The sensor circuit is open or shorted.)
- Mass air flow sensor
- EVAP control system pressure sensor
|
| B) |
A low voltage from the sensor is sent to ECM under heavy load driving condition. |
- Harness or connectors (The sensor circuit is open or shorted.)
- Intake air leakage
- Mass air flow sensor
- EVAP control system pressure sensor
- Intake air temperature sensor
|