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

Vehicle Platform: Zest, Bolt, Tiago, Tigor, Osprey, Q501, X451, Q502 ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 3.1 Date: 30-11-2019 Author: BCM COC Page: 293 of 1106 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. Trouble Shooting:- B225B – 09: Master Light Switch Failure – Component Failures Start Connect theDiagnostic Tool and check for DTCs Is DTC B225B – 09 present? STOP Check DTC present is Current or history Yes History? Yes Is DTC B1324 – 09 present? C Yes C Any fault observed ? Correct the fault Check continuity between BCM Mas ter Light switch connector and BCM ground[C1-3]. Disconnect veh iclebattery connection. (Please follow safety guidelines) Check BCM and Master Light switch connectors for terminal backout 1. Clear the DTC frommemory. 2. Turn the IGN to OFF. 3. Start the IGN. 4. Check for DTCs. No Is continu ity found ? Rep lace switch RemoveBCM side wiring harness Connector and Perform visual check of connectors for p ins bentor damaged etc Is connector faulty? BCMECU faulty Rep laceBCM ECU No Yes No Yes No Yes No No Rep laceConnector