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14. Reset the ECM/PCM with the HDS. 15. Do the ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ). 16. Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. Are any Temporary DTCs or DTCs indicated? YES: If DTC P0112 is indicated, check for poor connections or loose terminals at the IAT NO: Troubleshooting is complete. 17. Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM (see HOW TO SUBSTITUTE THE ECM/PCM ). 18. Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. Are any Temporary DTCs or DTCs indicated? YES: If DTC P0112 is indicated, check for poor connections or loose terminals at the IAT NO: If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was DTC P0113: IAT SENSOR CIRCUIT HIGH VOLTAGE 1. Turn the ignition switch ON (II). 2. Check the IAT SENSOR in the DATA LIST with the HDS. Is about -40°F (-40°C) or less, or 4.90 V or higher indicated? YES: Go to step 3. NO: Intermittent failure, system is OK at this time. Check for poor connections or loose 3. Turn the ignition switch OFF. 4. Disconnect the IAT sensor 2P connector. 5. Connect IAT sensor 2P connector terminals No. 1 and No. 2 with a jumper wire. 6. Turn the ignition switch ON (II). 7. Check the IAT SENSOR in the DATA LIST with the HDS. Is about -40°F (-40°C) or less, or 4.90 V or higher indicated? YES: Go to step 8. NO: Go to step 13 .
2004 Acura TSX 2004 ENGINE PERFORMANCE PGM-FI System - TSX
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