Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 554 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. 1. Remove Combi switch mating connector 2. Perform visual check of connectors for pin bend or damaged etc. Connector Faulty? Correct Connector fault (Terminal Bend) BCM ECU Faluty Replace BCM ECU YES NO Check if Combi switch Rear wiper mode switch input[wiring harness side] is shorted to ground [pin details TBD]. Correct combi switch side wiring harness (Short to Ground) Check if combi switch is faulty /Rear wiper and rear wash switch are shorted to each other or shorted to ground pin terminal [pin / terminal details of combi switch TBD] Switch Faulty? Replace combi switch 1.Remove all BCM connectors 2.Take out Rear wiper Mode Switch input wire [C1-13] from BCM connector 3.Reconnect all connectors 4.Check if Rear wiper is ON. Rear wiper continuously ON? Reconnect all connectors firmly YES NO YES NO Continuity Found? YES NO A B B223D -11: Rear Wipe Mode Switch - circuit short to ground
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