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: 531 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. Is connector faulty? Correct connector fault (Terminals Bend) YES Check continuity between BCM connector pin[ C1-21] and BCM ground [C1-34/C1-47] Continuity found? Correct BCM side wiring harness ( Short to Ground) YES 1. Remove Ignition switch mating connector 2. Perform the visual check of connectors for pin bend or damaged etc. Is connector faulty? Correct connector fault (Terminals Bend) YES NO Check continuity between two terminals of Crank switch Continuity found? 1. Switch is faulty 2. Replace front fog lamp switch BCM ECU Faulty Replace BCM ECU Check continuity between Ignition switch terminal and ground [C1-34/C1-47] Continuity Found? Correct Facia switch side wiring harness ( Short to Ground) NO YES NO NO NO YES A B