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− − − − − − − − − − − YES NO YES NO YES NO 11-134 PGM-FI System DTC Troubleshooting (cont’d) 18. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the 19. Test-drive at a steady speed between 15 75 mph (24 120 km/h) for 10 minutes. 20. Check for Temporary DTCs or DTCs with the HDS. If DTC P0128 is indicated, check the cooling system, then go to step 1. If any other Temporary Go to step 21. 21. Monitor the OBD STATUS for DTC P0128 in the DTCs MENU with the HDS. Troubleshooting is complete. If the screen indicates FAILED, check cooling system, then go to step 1. If the screen indicates 22. Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM 23. Cool down the engine until the coolant temperature is between 21 °F ( 6 °C) and 104 °F (40 °C). 24. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the 25. Test-drive at a steady speed between 15 75 mph (24 120 km/h) for 10 minutes. 26. Check for Temporary DTCs or DTCs with the HDS. If DTC P0128 is indicated, check for poor connections or loose terminals at the ECT sensor If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, Ar e any T empor ar y DT Cs or DT Cs indicated? Does the scr een indicate PASSED? Ar e any T empor ar y DT Cs or DT Cs indicated? 05/06/27 17:34:19 61S6M040_110_0134 |