TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 4 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. B1C0A-13: Left Rear Speaker Assembly Output Power / Left Rear Speaker Assembly Input Signal - circuit open. ................................................................................................................................................................................ 69 B1C54-11: Channel 7 Speaker Assembly Output Power/Channel 7 Speaker Assembly Input Signal-circuit short to ground ................................................................................................................................................................ 74 B1C54-12: Channel 7 Speaker Assembly Output Power/Channel 7 Speaker Assembly Input Signal-circuit short to battery ................................................................................................................................................................ 79 B1C54-13: Channel 7 Speaker Assembly Output Power / Channel 7 Speaker Assembly Input Signal - circuit open ................................................................................................................................................................................ 84 B1C55-11: Channel 8 Speaker Assembly Output Power/Channel 8 Speaker Assembly Input Signal-circuit short to ground .................................................................................................................................................................... 89 B1C55-12: Channel 8 Speaker Assembly Output Power/Channel 8 Speaker Assembly Input Signal-circuit short to battery ................................................................................................................................................................ 94 B1C55-13: Channel 8 Speaker Assembly Output Power / Channel 8 Speaker Assembly Input Signal - circuit open ................................................................................................................................................................................ 99 B1C0E-11: Microphone Signal Input-circuit short to ground. .............................................................................. 104 B1C0E-12: Microphone Signal Input-circuit short to battery ............................................................................... 109 B1C0E-13: Microphone Signal Input - circuit open ............................................................................................. 114 B1C4F-13: Right Front Tweeter Assembly Output Power / Right Front Tweeter Assembly Input Signal - circuit open...................................................................................................................................................................... 119 B1C50-13: Left Front Tweeter Assembly Output Power / Left Front Tweeter Assembly Input Signal - circuit open...................................................................................................................................................................... 124 B1C56-11: Right Subwoofer Assembly Output Power /Right Subwoofer Assembly Input Signal-circuit short to ground .................................................................................................................................................................. 129 B1C56-12: Right Subwoofer Assembly Output Power /Right Subwoofer Assembly Input Signal-circuit short to battery .................................................................................................................................................................. 134 B1C56-13: Right Subwoofer Assembly Output Power / Right Subwoofer Assembly Input Signal - circuit open.139 B1C57-11: Left SubWoofer Assembly Output Power Left SubWoofer Assembly Input Signal-circuit short to ground .................................................................................................................................................................. 144 B1C57-12: Left SubWoofer Assembly Output Power Left SubWoofer Assembly Input Signal-circuit short to battery .................................................................................................................................................................. 149 B1C57-13: Left SubWoofer Assembly Output Power/ Left SubWoofer Assembly Input Signal - circuit open ....154 B1C20-11: IVI Hardware Steering Wheel Control Input Signal-circuit short to ground .......................................159 B1C20-12: IVI Hardware Steering Wheel Control Input Signal-circuit short to battery.......................................164
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