On Board Diagnosis Logic
If the EGR temperature sensor detects EGR flow under the condition that does not call for EGR, a high-flow malfunction is diagnosed.
DTC DETECTING CONDITION AND POSSIBLE CAUSE
| DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause |
|---|---|---|---|
| P1402 1402 |
EGR function (Open) | EGR flow is detected under the condition that does not call for EGR. |
|