TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

Prepared by: Airbag COC Review Approved by: Sanjeev VM Page: 9 of 648 Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. SRS / Airbag ECU AB12 DTC Troubleshooting Guide Version: 2.0 Date: 21-June-2021 B100B-1A:- Passenger Deactivation Switch circuit resistance below threshold .................................................620 B100B-1B:- Passenger Deactivation Switch circuit resistance above threshold.................................................623 B100B-2B:- Passenger Deactivation Switch Signal cross coupled .....................................................................626 B100B-55:- Passenger Deactivation Switch not configured ................................................................................629 B100B-1F:- Passenger Deactivation Switch circuit Intermittent ..........................................................................633 Appendix 1 – Masking Status of DTC’s................................................................................................................636 Appendix 2 – Reading Input Output Resistance value using Service tool ..........................................................642 Annexure 1 – General Instructions to handle Airbag ECU and its Components .................................................644 Annexure 2 – Mounting Location of AB12 Airbag ECU .......................................................................................646