SAFARI BSVI - SERVICE MANUAL

ELECTRICAL 150 C. IGNITION KEYLEARNING PROCEDURE Conditions for key learning are 1. At least one Learned E – key is Must 2. At the time of cranking Battery voltage should not go below 10 Volts. 3. Diagnostic Software with latest version to be used. Procedure 1. Connect the diagnostic software through Diagnostic Link Coupler (DLC). Switch on the ignition with Learned key. Then select “TATA_Antitheft_Immobilizer” option & click on “Locking, Key Routines”. 2. Cl ick “Transponder key learning ADD” opt ion. 3. Immobilizer LED starts blinking. Once blinking starts it means, Key is learned. Blinking continues up to 30 seconds. 4. Within the 30 seconds switch OFF the ignition and take out the key. Then insert the second key and switch ON the ignition. Immobilizer LED continues to be ON and starts blink. This means second key is learned. Blinking will continue up to next 30 sec. 5. For more e-keys repeat step number 4. Up to six Keys can be learned at a time. 6. Now exit from the software and switch off ignition. 7. Again switch ON ignition and open Immobilizer software. Select “Locking, Key Routines”. 8. Check the status of learning by selecting the option “Transponder Key learning STATUS “. Also check the status of each key by Immobilizer LED. After inserting the learned key, if LED goes off it means keys are learned. Note: All E-keys need to be learnt, as ICU removes all memory of existing keys except the one used while initiating the procedure. If any of the key is left without learning that means it will not be a functional one. PAIRING OF EMS-ECU & IMMOBILIZER CONTROL UNIT A. For replacing only Immobilizer Control Unit (ICU):  Star t the Diagnos t ic sof tware and select “TATA_Antitheft_Immobilizer” option.  Now click on the “Pair with EMS ECU” button and follow the instructions. NOTE : in Software version-1.6, VIN number entry is not required for replacing only one control unit ). B. For replacing only EMS-ECU Unit  Start the Diagnostic software and select specific vehicle model option and in that click on “ECU Functions MORE” option.  Now click on the “ Pair with IMMO ” button and follow the instructions ( NOTE: in Version – 1.6 software, VIN number entry is not required for replacing only one control unit). C. For replacing both EMS-ECU and ICU Units:  Start the Diagnostic software and select “TATA_Antitheft_Immobilizer” option.  Now click on the “ Write VIN No ” button and enter the VIN number. Caution: As AES key is based on VIN no, proper care should be taken while reading and writing of VIN No. & it cannot be changed once it is written into the ICU. Any irregularity in the above procedure may leads to vehicle immobilization, in spite of new Immobilizer.  Now click on the “Pair with EMS ECU” button and follow the instructions.  After this stage, come out of the “Immobilizer” option and go to “EMS-ECU” option.  Click on “Pair with IMMO” option and follow the instructions.