Transponder & CAN based Immobilizer (Continental) Part Replacement handling – Service Documentation TITLE : Immobilizer (Conti) Service Manual-Aria Eagle xxxx Date: 28-08-2015 Version: 0.1 Page: 4 of 25 Prepared : Amanulla Bugga Approved: Dinesh G Dodmane This specification is the exclusive property of Tata Motors Limited. Without their consent it may not be reproduced or given to third parties. The above specifications are subject to change and therefore suppliers are requested to refer the latest one. CONTROLLED COPY FOR RESTRICTED CIRCULATION 1. Immobilizer system brief Immobilizer system is designed to prevent vehicle theft by electronically disabling the engine starting system. The engine can be started only with vehicle’s original immobilizer ignition key, which has an electronic identification programmed code. Immobilizer unit (VICM) is an add-on part on the ignition switch, fitted on the steering column. The engine can be started only with the vehicle’s original immobilizer ignition key. The electronic key communicates the identification code to immobilizer (VICM) when the key is turned to the "Ignition ON" position. Immobilizer comes with two Electronic keys (E-key) for, (maximum 6 E-keys are possible) Caution: 1. Mechanical key made by a locksmith will not start with the vehicle. 2. As CAN communication protocol doesn’t work beyond 18V, vehicle will not start under “Jump Start with voltage > 18 V” conditions. Important: The information given below is valid for “CAN based version of Immobilizer” 1.1. Basic Specifications: 1. Operating voltage range : 6 V to 16 Vdc 2. Operating temperature range : -40°C to +85°C 3. Standby current : 0.6 mA typical. @13.5 Vdc 4. Immobilizer connector type : TYCO Part no. 174955 (8 pin) 5. Mating W/H connector type : TYCO Part no. 173850 (8 pin) 6. Vehicle mounting location : Steering column along with ignition switch 7. Diagnostics : UDS on CAN 8. Weight : ~ 100 gms
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