Copyright © TATA MOTORS Ltd. This document must not be used in any w ay, such as copying and redistributing to third parties, w ithout the consent of author . SRS / Airbag ECU – DTC Troubleshooting Guide Vers ion: 14.0 Da te: 14-February-2017 Prepared by:Airbag COC Review & Approved by:Sanjeev VM Page: 516 of 549 DTC’s confirmation:- After rectification, ensure the following points by referring engine parameters using TML diagnostic tool before handing over to customer. e) Clear the DTC’s & make sure no DTC’s are present for Airbag system f) Check whether any new DTC’s are getting qualified for repeated cranking. g) Ensure the Airbag Warning Lamp Indication is continuously ON in Instrument Cluster for 4 seconds after Ignition ON h) Ensure the Airbag Warning Lamp Indication goes OFF after 4 seconds from Ignition ON. Circuit Schematic Diagram:- Schematic shown below for illustration Battery>>>>>Fuse>>>>Relay>>>>>>>Sensor/Actuator>>>>>ECU Component Location & Image:- Fig 474:Second row right seat belt pretensioner Connector Location:- The Chamber Coding & color are: + V 12 Battery A23 CAN H Ignition Sw itch CAN L A12 A7 - RESTRAINTS CONTROL MODULE Belt Tensioner Rear Driver A1 A2 Fuse 10A B4 B3 BTRD - BTRD+ Vbat
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