DTC Detection Logic
NOTE:
If DTC P050A, P050B or P050E is displayed with other DTC, first perform the trouble diagnosis for other DTC.
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
|---|---|---|---|
| P050A | COLD START CONTROL (Cold start idle air control system performance) |
ECM does not control engine idle speed properly when engine is started with pre-warming up condition. |
|
| P050B | COLD START CONTROL (Cold start ignition timing performance) |
ECM does not control ignition timing properly when engine is started with pre-warming up condition. | |
| P050E | COLD START CONTROL (Cold start engine exhaust temperature too low) |
The temperature of the catalyst inlet does not rise to the proper temperature when the engine is started with pre-warming up condition. |