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: 637 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. Perform visual check of connectors for pin bend or damaged etc. Connector Faulty? Correct Connector fault (Terminal Bend) BCM ECU Faluty Replace BCM ECU YES NO Check if Combi switch Front washer input[wiring harness side] is shorted to ground [pin details TBD]. Correct combi switch side wiring harness (Short to Ground) Check if combi switch is faulty / shorted to other terminals of combi switch ie, with front wiper low/high/intermittent/ shorted to ground pin terminal [pin / terminal details of combi switch TBD] Switch Faulty? Replace combi switch 1.Remove all BCM connectors 2.Take out Front washer input wire [C1-24] from BCM connector 3.Reconnect all connectors 4.Check if Front washer is ON? Front washer is ON? Reconnect all connectors firmly YES NO YES NO Continuity Found? YES NO A B B220C -11: Front Washer Switch - circuit short to ground