Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 793 of 855 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 BCMconnector pin and BCM ground Continuity found? Correct BCM side wiring harness ( Short to Ground) YES 1. Remove Unlock 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 Internal Unlock switch Continuity found? 1. Switch is faulty 2. Replace Internal Unlock Switch BCM ECU Faulty Replace BCM ECU Check continuity between unlock switch terminal and ground Continuity Found? Correct Internal unlock switch side wiring harness ( Short to Ground) NO YES NO NO NO YES A B
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