4. Open battery cover once unlocked. 5. Replace with new battery in the smart key battery slot. Check polarity. 6. Close rear side of smart key with its cover. 7. Ensure that the smart key cover is intact properly. IGNITION E-KEY LEARNING 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. Click “Transponder key learning ADD” option. 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 Use CR 2032 battery only. An inappropriately disposed battery can be harmful to the environment and human health. Dispose the battery according to your local law(s) and regulation. 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. LIN based IMMO configuration in BCM and the keys pairing shall be done as per step 19th in “BCM ECU replacement procedure”. LOW VOLTAGE ELECTRICAL SYSTEM (LV) 173
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