YES - If DTC P2238 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 the connector and terminal fits are OK, go to 16. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
Monitor the OBD STATUS for DTC P2238 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) and the ECM/PCM, then go to 1. If the screen indicates NOT COMPLETED, go to 12 and recheck.