| DTC P0134: | A/F Sensor (Sensor 1) Heater System Malfunction |
| 1. | Turn the ignition switch ON (II). |
| 2. | Clear the DTC with the HDS. |
| 3. | Start the engine, and let it idle without load (in Park or neutral) until the radiator fan comes on. |
| 4. | Check for Temporary DTCs or DTCs with 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), the PGM-FI subrelay (E), 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. | Reset the ECM/PCM with the HDS. |
| 9. | Do the ECM/PCM idle learn procedure. |
| 10. | Check for Temporary DTCs or DTCs with 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), the PGM-FI subrelay (E), and the ECM/PCM, then go to 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting. NO - Go to 11. |
| 11. | Monitor the OBD STATUS for DTC P0134 in the DTCs MENU with the HDS. Does the screen indicate PASSED? YES - Troubleshooting is complete.n NO - If the screen indicates FAILED, check for poor connections or loose terminals at the A/F sensor (Sensor 1), the PGM-FI subrelay (E), and the ECM/PCM, then go to 1. If the screen indicates NOT COMPLETED, go to 8 and recheck. |