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: 6 of 549 RCM (Airbag/ SRS) ECU Pin assignment CHAMBER A : Pin No. Pin Name Description 1 CAN_H CAN High 2 CAN_L CAN Low 3 LSD Low side driver 4 NA Not Applicable 5 CRO Crash Output 6 NA Not Applicable 7 A_GND Common Switch GND 8 BLRM Rear Middle Buckle Switch 9 PADS Passenger Airbag Deactivation Switch 10 BLFP+PPD In Series Connection of Passenger Buckle Switch and passenger detection mat. 11 NA Not Applicable 12 V bat Supply Voltage Battery 13 BLRD Rear Buckle Switch Driver Side 14 BLRP Rear Buckle Switch Passenger Side 15 ABFD- Front Airbag Driver, Minus 16 ABFD+ Front Airbag Driver, Plus 17 ABFP+ Front Airbag Passenger, Plus 18 ABFP- Front Airbag Passenger, Minus 19 BTFD- Belt Tensioner Front Driver, Minus 20 BTFD+ Belt Tensioner Front Driver, Plus 21 BTFP+ Belt Tensioner Front Passenger, Plus 22 BTFP- Belt Tensioner Front Passenger, Minus 23 GND Power GND 24 PADI Passenger Airbag Deactivation Indicator CHAMBER A
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