| DTC P0134: | A/F sensor (Sensor 1) Heater System Malfunction |
| 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 with no load (in Park or neutral) until the radiator fan comes on, then let it idle. |
| 4. | Check for Temporary DTCs or DTCs in the DTCs MENU with the Honda PGM Tester or the HDS. Is DTC P0134 indicated? YES - Go to 5. NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the ECM/PCM.n |
| 5. | Turn the ignition switch OFF. |
| 6. | Replace the A/F sensor (Sensor 1). |
| 7. | Turn the ignition switch ON (II). |
| 8. | Do the ECM/PCM RESET in the CLEAR MENU with the Honda PGM Tester or the HDS. |
| 9. | Do the ECM/PCM idle learn procedure. |
| 10. | Start the engine with no load (in Park or neutral) until the radiator fan comes on, then let it idle. |
| 11. | 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 P0134 is indicated, check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the ECM/PCM, then go to 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC troubleshooting. NO - Go to 12. |
| 12. | Monitor the OBD STATUS for DTC P0134 in the DTCs MENU with the Honda PGM Tester or the HDS. Is it PASSED? YES - Troubleshooting is complete.n NO - If it is FAILED, check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the ECM/PCM, then go to 1. If it is NOT COMPLETED, go to 10 and recheck. |