Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 801 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 Down 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 Down Switch Continuity found? 1. Switch is faulty 2. Replace Down Switch BCM ECU Faulty Replace BCM ECU Check continuity between Down Switch terminal and ground Continuity Found? Correct Down Switch side wiring harness ( Short to Ground) NO YES NO NO NO YES A B
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