LV ELECTRICAL SYSTEM 67 VII. MAINTENANCE AND TROUBLE SHOOTING CONDITION POSSIBLE CAUSE CORRECTION/REFERENCE ITEM ECU Communication Error OBD connection Check the OBD cable connection with Diagnostic Connector of vehicle. Check the OBD cable connection with Silicon Engine module Com port connection Check the com settings. Connect RS232 cable to COM Port. Check the ‘DSR’ and ‘DTR’ LEDs are on RS232 Silicon Engine module. If both are Red re-initialize the unit. PCMCIA Card Connection For details read the reference document “PCMCIA_Card_Port_SettingsPDF” available on site https://ed.tatamotors.com USB Port Connection Check the USB LED on USB Silicon Engine. If it is red then connect USB Cable to USB Port and Install the drivers from the CD or from the application path directory. Check the USB LED on USB Silicon Engine. If it is green then initialize the unit. Software Not Working Corrupt version of Software Reinstall the software.
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