P2101

DTC P2101: Throttle Actuator System Malfunction

1. Record this freeze data:
- Engine speed
- Vehicle speed
- Accelerator position

2. Clear the DTC with the HDS.
3. Do the ETCS TEST in the INSPECTION MENU with the HDS.
4. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P2101 indicated?

YES - Go to step 7.

NO - Go to step 5.

5. Test-drive the vehicle for several minutes in the range of the recorded freeze data.
6. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P2101 indicated?

YES - Go to step 7.

NO - Intermittent failure, System is OK at this time. Check for poor connections or loose-terminals at the throttle body and at the PCM, then clean the throttle body.

7. Turn the ignition switch OFF.
8. Disconnect the intake air duct from the throttle body.
9. Turn the ignition switch ON (II).
10. Clear the DTC with the HDS.
11. Do the ETCS TEST in the INSPECTION MENU with the HDS.
12. Visually check the throttle valve operation.

NOTE: Be careful not to pinch your fingers during the check.

Does the throttle valve operate smoothly?

YES - Clean the throttle body, then go to step 21 and recheck. If DTC P2101 is indicated, go to step 19.

NO - Go to step 13.

13. Turn the ignition switch OFF.
14. Disconnect the throttle body 6P connector.
15. Jump the SCS line with the HDS.
16. Disconnect PCM connector C (44P).




17. Connect throttle body 6P connector terminals No.5 and No.6 with a jumper wire.




18. Check for continuity between PCM connector terminals C2 and C3.

Is there continuity?

YES - Go to step 26.

NO - Repair open in the wires between the throttle body and the PCM (C2, C3), then go to step 20.

19. Turn the ignition switch OFF.
20. Replace the throttle body.
21. Turn the ignition switch ON (II).
22. Reset the PCM with the HDS.
23. Do the PCM idle learn procedure.
24. Test-drive the vehicle for several minutes in the range of the recorded freeze data.
25. Check for Temporary DTCs or DTCs with 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 PCM, then clean the throttle body, and go to step 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.

NO - Troubleshooting is complete.

26. Update the PCM if it does not have the latest software, or substitute a known-good PCM.
27. Check for Temporary DTCs or DTCs with the HDS.

Are any Temporary DTCs or DTCs indicated?

YES - If DTC P2101 is indicated, check for poor connections or loose terminals at throttle body and the PCM, then clean the throttle body, and then go to step 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.

NO - If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM.