TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 577 of 584 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. 13 B1C54-11 Channel 7 Speaker Assembly Output Power/Channel 7 Speaker Assembly Input Signal-circuit short to ground 74 No 14 B1C54-12 Channel 7 Speaker Assembly Output Power/Channel 7 Speaker Assembly Input Signal-circuit short to battery 79 No 15 B1C54-13 Channel 7 Speaker Assembly Output Power / Channel 7 Speaker Assembly Input Signal - circuit open 84 No 16 B1C55-11 Channel 8 Speaker Assembly Output Power/Channel 8 Speaker Assembly Input Signal-circuit short to ground 89 No 17 B1C55-12 Channel 8 Speaker Assembly Output Power/Channel 8 Speaker Assembly Input Signal-circuit short to battery 94 No 18 B1C55-13 Channel 8 Speaker Assembly Output Power / Channel 8 Speaker Assembly Input Signal - circuit open 99 No 19 B1C0E-11 Microphone Signal Input-circuit short to ground. 104 No 20 B1C0E-12 Microphone Signal Input-circuit short to battery 109 No 21 B1C0E-13 Microphone Signal Input - circuit open 114 No 22 B1C4F-13 Right Front Tweeter Assembly Output Power / Right Front Tweeter Assembly Input Signal - circuit open 119 No 23 B1C50-13 Left Front Tweeter Assembly Output Power / Left Front Tweeter Assembly Input Signal - circuit open 124 No 24 B1C56-11 Right Subwoofer Assembly Output Power /Right Subwoofer Assembly Input Signal-circuit short to ground 129 No 25 B1C56-12 Right Subwoofer Assembly Output Power /Right Subwoofer Assembly Input Signal-circuit short to battery 134 No 26 B1C56-13 Right Subwoofer Assembly Output Power / Right Subwoofer Assembly Input Signal - circuit open 139 No 27 B1C57-11 Left SubWoofer Assembly Output Power Left SubWoofer Assembly Input Signal-circuit short to ground 144 No
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