2009 Suzuki 400 LTZ Quad Sport Service Manual, Page 79Get this manual
1A-15 Engine General Information and Diagnosis:
SDS Check
Using SDS, sample the data at the time of new and periodic vehicle inspectionsAfter saving the sampled data in the computer, file them by model and by userThe periodically filed data help improve the accuracy of troubleshooting since they can indicate the condition of vehicle functions that has changed with timeFor example, when vehicle is brought in for service but the troubleshooting of failure is not easy, comparing the current data value to past filed data value at time of normal condition can allow the specific engine failure to be determinedAlso, in the case of customer vehicle which is not periodically brought in for service with no past data value having been saved, if the data value of good vehicle condition have been already saved as master (STD), comparison between the same models helps to facilitate the troubleshooting1) Remove the left side coverRefer to "Exterior Parts Removal and Installation in Section 9D (Page 9D-4)"2) Set up the SDS tool(Refer to the SDS operation manual for further details Special tool0990441010 (SDS set)9956501010016 (CD-ROM Ver.16) NOTE Before taking the sample of data, check and clear the Past DTC number of different data under fixed condition as shown below should be saved or filed as sampleSample Data sampled from cold starting through warm-up