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Does the screen indicate PASSED? YES - Troubleshooting is complete. If any other Temporary DTCs or DTCs were indicated in step 19, NO - If the screen indicates FAILED, check for poor connections or loose terminals at the A/F sensor 21. Turn the ignition switch OFF. 22. Reconnect all connectors. 23. Update the PCM if it does not have the latest software (see UPDATING THE PCM ), or substitute a known-good PCM (see SUBSTITUTING THE PCM ). 24. Check for Temporary DTCs or DTCs with the HDS. Is DTC P2243 and/or P2247* indicated? YES - Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM. If the NO - Go to step 25. 25. Monitor the OBD STATUS for DTC P2243 and/or P2247* in the DTCs MENU with the HDS. Does the screen indicate PASSED? YES - If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the NO - If the screen indicates FAILED, check for poor connections or loose terminals at the A/F sensor DTC P2245: REAR A/F SENSOR (BANK 1, SENSOR 1) VCENT CIRCUIT LOW VOLTAGE; DTC 1. Turn the ignition switch ON (II). 2. Clear the DTC with the HDS. 3. Start the engine. Hold the engine speed at 3,000 RPM without load (in Park or neutral) until the NOTE: Before you troubleshoot, record all freeze data and any on-board Information marked with an asterisk (*) applies to the front bank (Bank
2007 Acura RL 2005-08 ENGINE PERFORMANCE PGM-FI System - RL
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