Vehicle Platform: OSPREY ECU Name: Hella Body Control Module (BCM) DTC Troubleshooting Data Version: 1.4 Date: 15 May 2018 Author: Body CoC Page: 735 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. Start Connect the Diagnostic Tool and Run Input Switch Test Routine & operate the switches as mentioned in the input switch test routine specification Is DTC B2232 – 12 logged by Routine? STOP Check continuity between BCM connector pin[C4 - 8] and BCM battery[C3-2/C3-1]. Continuity found? Correct BCM side wiring harness.(Short to battery) YES 1. Disconnect vehicle battery connection. (Please follow the safety guidelines) B2232 – 12 : Mirror Fold/Unfold Switch - Circuit Short to Battery Check continuity between two terminals of Mirror fold/unfold switch Continuity found? BCM ECU faulty 1. Switch is faulty. 2. Replace Mirror fold/unfold switch NO YES 1. Remove BCM connector. 2. Perform visual check of connectors for pins bent or damaged etc Check BCM & Mirror Fold/Unfold Switch connectors for terminal backout Any connectors are loose? Is connector faulty? Correct connector fault (Terminals Bend) Reconnect connector firmly YES YES NO NO YES NO Check continuity between Mirror Fold/Unfold Switch & Battery Continuity found? Correct Mirror Fold/Unfold switch side wiring harness(Short To Battery) YES NO NO Replace BCM ECU
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