On Board Diagnosis Logic
WARNING: This page is about a different variant/trim than selected.
DTC DETECTING CONDITION AND POSSIBLE CAUSES CHART
| DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause |
|---|---|---|---|
| P1421 1421 | Cold start emission reduction strategy monitoring | ECM does not control ignition timing and engine idle speed properly when engine is started with pre-warming up condition. |
|