P1122

DTC P1122: TP Sensor Signal Higher Than Expected

1. Turn the ignition switch ON (II).
2. Do the DTC CLEAR in the CLEAR MENU with the Honda PGM Tester or the HDS.
3. Start the engine. Hold the engine speed at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on, then let it idle.
4. Check the TP SENSOR in the DATA LIST with the Honda PGM Tester or the HDS.

Does the throttle position show less than 4.0 degrees (REL) (4 % (REL)) for 5 seconds?

YES - Go to step 8.

NO - Go to step 4.

5. Start the engine. Hold the engine speed at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on, then let it idle.
6. Test-drive the vehicle at 16 mph (25 km/h) or more, and, at 1,400 rpm or more.
7. Monitor the OBD STATUS for DTC P1122 in the DTCs MENU with the Honda PGM Tester or the HDS.

Does the screen indicate FAILED?

YES - Go to step 5.

NO - If the screen indicates PASSED, intermittent failure, system is OK at this time. If the screen indicates NOT COMPLETED, go to step 5 and recheck.

8. Turn the ignition switch OFF.
9. Replace the throttle body (the TP sensor is not available separately).
10. Turn the ignition switch ON (II).
11. Do the ECM/PCM RESET in the CLEAR MENU with the Honda PGM Tester or the HDS.
12. Do the ECM/PCM idle learn procedure.
13. Start the engine. Hold the engine speed at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on, then let it idle.
14. Test-drive the vehicle at 16 mph (25 km/h) or more, and at 1,050 rpm or more.
15. 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 P1121 is indicated, check for poor connections or loose terminals at the TP sensor and the ECM/PCM, then go to step 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC troubleshooting.

NO - Go to step 16.

16. Monitor the OBD STATUS for DTC P1122 in the DTCs MENU with the Honda PGM Tester or the HDS.

Does the screen indicate PASSED?

YES - Troubleshooting is complete.

NO - If the screen indicates FAILED, check for poor connections or loose terminals at the TP sensor and the ECM/PCM, then go too step 1. If the screen indicates NOT COMPLETED, go to step 13 and recheck.