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: 375 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 Facia switch mating connector 2. Perform visual check of connectors for pin bend or damaged etc. Connector Faulty? Correct Connector fault (Terminal Bend) BCM ECU Faulty Replace BCM ECU YES NO Check continuity between two terminals of Rear fog lamp switch Continuity found? 1.Remove all BCMconnectors 2.Take out Rear fog lamp switch wire [ C1-50] from BCM mating connector 3.Reconnect all connectors 4.Check if Rear fog lamps are ON? Rear Fog Lamps ON? Reconnect all connectors firmly YES NO YES NO Check continuity between fog lamp switch terminal [pin details C1-50] and ground Continuity Found? Correct Facia switch sidewiring harness ( Short to Ground) YES NO 1. Switch is faulty 2. Replace front fog lamp switch A B B2239 – 11: Rear fog Lamp control Switch – Short to Ground