| DTC P2101: | Throttle Actuator System Malfunction |
| 1. | Record the following freeze data.
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| 2. | Do the DTC CLEAR in the CLEAR MENU with the Honda PGM Tester or the HDS. |
| 3. | Do the TAC TEST in the INSPECTION MENU with the Honda PGM Tester or the HDS. |
| 4. | Check for Temporary DTCs or DTCs in the DTCs MENU with the Honda PGM Tester or the HDS. Is DTC P2101 indicated? YES - Go to 7. NO - Go to 5. |
| 5. | Test-drive the vehicle for several minutes in the range of the recorded freeze data. |
| 6. | Check for Temporary DTCs or DTCs in the DTCs MENU with the Honda PGM Tester or the HDS. Is DTC P2101 indicated? YES - Go to 7. NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the throttle body and at the throttle actuator control module, then do the throttle body cleaning.n |
| 7. | Turn the ignition switch OFF. |
| 8. | Disconnect the intake air duct from the throttle body. |
| 9. | Turn the ignition switch ON (II). |
| 10. | Do the DTC CLEAR in the CLEAR MENU with the Honda PGM Tester or the HDS. |
| 11. | Do the TAC TEST in the INSPECTION MENU with the Honda PGM Tester or the HDS. |
| 12. | Visually check the throttle valve operation. NOTE: Be careful not to pinch a finger during check. Does a throttle valve operate smoothly? YES - Go to 13. NO - Do the throttle body cleaning, then go to 20 and recheck. If DTC P2101 is indicated, then go to 18. |
| 13. | Turn the ignition switch OFF. |
| 14. | Disconnect the throttle body 6P connector. |
| 15. | Disconnect the throttle actuator control module 16P connector. |
| 16. | Connect the throttle body 6P connector terminals No. 5 and No. 6 with a jumper wire. |
| 17. | Check for continuity between throttle actuator control module 16P connector terminals No. 1 and No. 8. Is there continuity? YES - Substitute a known-good throttle actuator control module, then go to 20 and recheck. If DTC P2101 is not indicated, replace the original throttle actuator control module, then go to 20. If DTC P2101 is indicated, then go to 18. NO - Repair open in the wires between the throttle body and the throttle actuator control module (motor drive lines), then go to 20. |
| 18. | Turn the ignition switch OFF. |
| 19. | Replace the throttle body. |
| 20. | Turn the ignition switch ON (II). |
| 21. | Do the ECM/PCM RESET in the CLEAR MENU with the Honda PGM Tester or the HDS. |
| 22. | Do the ECM/PCM idle learn procedure. |
| 23. | Start the engine. Hold the engine speed at 3,000 rpm (min-1) with no load (in Park or neutral) until the radiator fan comes on, then let it idle. |
| 24. | Test-drive the vehicle for several minutes in the range of the recorded freeze data. |
| 25. | Check for Temporary DTCs or DTCs in the DTCs MENU with the Honda PGM Tester or the HDS. Are any Temporary DTCs or DTCs indicated? YES - If DTC P2101 is indicated, check for poor connections or loose terminals at the throttle body and the throttle actuator control module, then do the throttle body cleaning, then go to 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC troubleshooting. NO - Troubleshooting is complete.n |