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: 663 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. 1.Remove Combi Switch mating connector 2. Check continuity between BCMharness side connector pin [C4- 7] and Front wiper low speed switch contact at combi switch [pin details TBD]. Perform the visual check of connectors for pin bend or damaged etc. Is connector faulty? Check continuity at combi switch Front wiper low speed switch contact[ pin details TBD] with ground [ pin details TBD] Continuity found? BCM ECU Faulty Correct connector fault (Terminal Bend) Correct connector fault at combi switch mating connector (Open Circuit) YES NO YES NO Replace BCM ECU 1. Connect combi switch mating connector 2. Put combi switch at Front wiper low speed switch contact 3. check continuity between combi switch Front wiper low speed switch contact[ pin details TBD] with ground [ pin details TBD] Continuity found? YES Combi switch fault . Replace combi switch NO A B B2212 -12: Front wiper Low Speed Switch - circuit short to Battery