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Hds powersports user guide

Honda Diagnostic System HDS Powersports User Guide PGM-FI Powertrain Electric Power Steering Diagnostics Health Check CHonda POWERSPORTS HDS USER GUIDE SETTING UP THE HDS YOUR HDS NEEDS A COMPUTER MEET YOUR HDS EXPLORING STANDALONE MODE CONNECTING TO A VEHICLE EXPLORING CONNECTED MODE USING YOUR PC WITH THE POCKET TESTER GUIDE TO ECM SIGNALS PGM-FI GUIDE TO PCM SIGNALS POWERTRAIN GUIDE TO ECM PCM SIGNALS ELECTRIC POWER STEERING EPS GUIDE TO ECU SIGNALS AIRBAG TECHNICAL SUPPORT INDEX Index CHonda POWERSPORTS HDS USER GUIDE Honda POWERSPORTS HDS USER GUIDE INTRODUCTION Nearly all Honda PGM-FI equipped powersports models have varying levels of self-diagnostic abilities Early PGM-FI models - were only equipped with the Malfunction Indicator Light MIL to signal the rider and technician of problems with the fuel ignition system The MIL ashes in certain patterns to indicate the problem component s Models with this early self diagnostic system require the use of a pin-out box digital multi-meter and the Honda Service Manual for diagnostic troubleshooting But a more sophisticated tool for retrieving fail codes and diagnosing PGM-FI systems was needed so the Honda Diagnostic System HDS was developed Most PGM-FI equipped models built since are HDS compatible allowing for the retrieval of trouble codes without having to read the MIL blink pattern Although the Service Manual is still required HDS now allows the user to monitor ECM sensor input signals voltage values directly without a pin-out box Some models feature an integrated Engine Control Module ECM and Powertrain Control Module PCM that controls the function of the PGM-FI ignition and electric shift automatic transmission Models that feature Electric Power Steering EPS or an airbag have standalone Electronic Control Units ECU that can only be accessed with the HDS pocket tester For Honda powersports and marine products the HDS is a hand-held PC based system where the pocket-PC has been speci ?cally customized for interfacing Honda HDS compatible ECM PCMs HONDA DIAGNOSTIC SYSTEM HDS CAPABILITIES RETRIEVE DIAGNOSTIC TROUBLE CODES DTC DTC ? s are the equivalent of the blinking Malfunction Indicator Light MIL or check-engine light When the MIL ashes nine times it guides you to a general fault area IAT sensor Scanning the ECM with HDS will give you more speci ?c results like IAT sensor voltage too low DTC - or IAT sensor voltage too high DTC - VIEW ACTUAL OPERATING CONDITIONS Beyond just reading trouble codes the HDS can read the actual voltage values of the signals sent from various sensors to the ECM like how long the fuel injectors are open This data can help with the diagnosis of driveability problems that do not set a DTC check engine light OPERATIONAL COMPONENT TESTS On some models you can override the ECM and operate engine components like the Dual Clutch Transmission DCT shift control motor to test their operation and function STORE ENGINE PERFORMANCE RECORDS HDS allows for saving and ?ling engine performance data to create permanent performance records of vehicles You can also easily e-mail performance data to Honda