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: 387 of 549 DTC’s confirmation:- After rectification, ensure the following points 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 346:Driver side peripheral sensor + V 12 Battery A23 CAN H Igniti on Sw itch CAN L A12 A7 - RESTRAINTS CONTROL MODULE A1 A2 Fuse 10A B9 DSPS+ Vbat B10 DSPS- Driver Side Peripheral Sensor
RkJQdWJsaXNoZXIy MTIwNTUz