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: 379 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. Perform the visual check of Combiswitch connector for pin bend or damaged etc. Is connector faulty? Check continuity at Fog Lamp Switch contact of combiswitch mating connector with Battery supply. Continuity found? BCM ECU Faulty Correct connector fault at combi switch connector (Terminal Bend) Correct connector fault at fog switch mating connector (Short to battery) YES NO YES NO Replace BCM ECU Check continuity between Rear fog Lamp switch terminal and Battery supply terminal of Rear Fog switch Connector (Please refer the combiswitch drawings) Continuity found? YES 1. Combiswitch is faulty 2. Replace combiswitch NO A B B2239 -12: Rear Fog Lamp Control Switch – Short to Battery