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 CHART
| 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. |
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