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: 517 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. Disconnect Ignition switch 2. Check Continuity Between BCM side connector pin [C1-10] with BCM Battery Ground [C1-34/ C1-47] Continuity Found? Correct Wiring harness (Short To Ground) YES NO 1. Remove Ignition switch mating connector. 2. Check continuity of Ignition switch contact [C1- 10] with BCM battery [C3-2] Continuity Found? YES NO 1. Ignition switch faulty. 2. Replace Ignition switch BCM ECU Faulty Replace BCM ECU A B