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

Prepared by: Airbag COC Review Approved by: Sanjeev VM Page: 386 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 Troubleshooting:- START TURN ON IGNITION, CONNECT THE DIAGNOSTIC TOOL AND CHECK FOR DTC'S IS DTC PRESENT? READ EXISTING AIRBAG ECU SYSTEM CONFIG. USING EOL or SERVICE TOOL AND CONFIRM THE DATA AS PER VC. IS CONFIG CORRECT? WRITE CORRECT CONFIGURATION TO ECU. TURN OFF & ON THE IGNITION & CHECK FOR DTC'S CLEAR DTC, TURN OFF & ON THE IGNITION & CHECK FOR DTC'S NO YES TURN OFF IGN, REMOVE AIRBAG ECU CONNECTOR AND INSPECT FOR SHORT, BENT OR CRACK IN AIRBAG ECU PINS AND WIRING HARNESS B100F-13 : Frontal Impact Right Sensor - circuit open ARE PINS OK? CONNECT THE AIRBAG ECU IN VEHICLE. TURN ON IGNITION. CLEAR DTC's & CHECK FOR DTC's. REPLACE THE UFS6s IMPACT SENSOR CHECK WHETHER THE IMPACT SENSOR IS CONNECT OR NOT? IF SENSOR is CONNECTED AND FUNCTIONAL/ COMMUNICATING, THEN FAULT WILL DISQUALIFY CONNECT THE UFS6S IMACT SENSOR YES NO STOP