DTC P1249: | ETCS Learn Deviation |
1. | Turn the ignition switch ON (II). |
2. | Do the DTC CLEAR in the CLEAR MENU with the HDS. |
3. | Do the ETCS TEST in the INSPECTION MENU with the HDS. |
4. | Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. Is DTC P1249 indicated? YES - Go to 5. NO - Intermittent failure, system is OK at this time.Check for poor connections or loose terminals at the throttle body and at the ECM.n |
5. | Check for the freeze data with the HDS. Is there battery voltage 10 V or less? YES - Check for the battery, then go to 12. NO - Go to 6. |
6. | Check for the freeze data with the HDS. Is there vehicle speed 0 km/h? YES - Go to 7. NO - Stop the vehicle, then go to 12. |
7. | Check for the freeze data with the HDS. Is there ENGINE SPD 250 rpm (min-1) or less? YES - Go to 8. NO - Stop the engine, then go to 12. |
8. | Check for the freeze data with the HDS. Is there ECT SENSOR 100.5°C (213°F) or less? YES - Go to 9. NO - Cool down the engine, then go to 12. |
9. | Check for the freeze data with the HDS. Is there ECT SENSOR 2.25°C (36°F) or higher? YES - Go to 10. NO - Warm up the engine, then go to 12. |
10. | Check for the freeze data with the HDS. Is there IAT SENSOR 2.25°C (36°F) or higher? YES - Go to 11. NO - Warm up the engine, then go to 12. |
11. | Check for the freeze data with the HDS. Is there APP SENSOR A/B 14.90 % or less? YES - Go to 16. NO - Release the accelerator pedal, then go to 12. |
12. | Turn the ignition switch ON (II). |
13. | Do the ECM RESET in the CLEAR MENU with the HDS. |
14. | Do the ETCS learn procedure. |
15. | Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. Is DTC P1249 indicated? YES - If DTC P1249 is indicated, go to 5, and recheck. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC troubleshooting. NO - Troubleshooting is complete.n |
16. | Substitute a known-good ECM. |
17. | Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. Are any Temporary DTCs or DTCs indicated? YES - If DTC P1249 is indicated, go to 5, and recheck. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC troubleshooting. |