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− − − − − − YES NO YES NO YES NO 11-156 PGM-FI System DTC Troubleshooting (cont’d) 7. Check the condition of the air cleaner element. Go to step 8. Replace the air cleaner element (see page 11-315). 8. Update the PCM if it does not have the latest software (see page 11-7), or substitute a known- 9. Reset the PCM with the HDS. 10. Do the PCM idle learn procedure (see page 11-273). 11. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the 12. Test-drive under these conditions: • Engine coolant temperature (ECT SENSOR 1) above 158 °F (70 °C) • Transmission in D position 45 degrees for 2 seconds 13. Check for Temporary DTCs or DTCs with the HDS. If the PCM was updated, substitute a known- good PCM (see page 11-8), then go to step 11. If the Go to step 14. 14. Monitor the OBD STATUS for DTC P2227 in the DTCs MENU with the HDS. If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the If the screen indicates FAILED, check for poor connections or loose terminals at the PCM. If the Is the air cleaner element OK ? Is DT C P2227 indicated? Does the scr een indicate PASSED? |