4. Checking Pairing status In the EMS-ECU software select “Engine Parameter 1”, then select “Electronic key” option and click START. One window will pop-up & shows below mentioned options. This window gives the current status of immobilizer system. i.e. Immo Programmed: Immobilizer enabled. • Vehicle Not Locked: Vehicle ready for start. • Vehicle locked: Vehicle will not start • Immo code programmed and locked: Pairing • operation OK. AES key is written in to EMS and locked. Immo code programmed and unlocked: • Pairing operation not done properly. AES key is written in to EMS and Unlocked. Key code OK / Authentication OK: AES key • for EMS ECU and ICU are same. Free starts Inactive: After locking AES, free • starts are inactive. If AES is not locked free starts is active for 5 times. Immo CAN Communication OK: Proper • communication. Otherwise it will show CAN communication “OFF”. MAINTENANCE AND TROUBLE SHOOTING CONDITION POSSIBLE CAUSE CORRECTION/REFERENCE ITEM ECU Communication Error 1. OBD connection Check the OBD cable connection with • Diagnostic Connector of vehicle. Check the OBD cable connection with Silicon • Engine module 2. 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 3. Connection For details read the reference document • “PCMCIA_Card_Port_SettingsPDF” available on site https://ed.tatamotors.com 4. 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. • ELECLTRICAL 226
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