DTC Detection Logic
NOTE:
- If DTC P1423 or P1424 is displayed with other DTC, first perform the trouble diagnosis for other DTC.
| DTC No. | Trouble diagnosis name (Trouble diagnosis content) |
DTC detecting condition | Possible cause |
|---|---|---|---|
| P1423 | COLD START CONTROL (Cold start emission reduction strategy monitoring) |
ECM does not control fuel injection timing properly when engine is started with the engine cold. | ECM |
| P1424 | COLD START CONTROL (Cold start emission reduction strategy monitoring) |
ECM does not control fuel injection quantity properly when engine is started with the engine cold. |