TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 3 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. Contents Change History ......................................................................................................................................................... 2 1. Introduction...................................................................................................................................................... 9 1.1. Objective................................................................................................................................................... 9 1.2. Intended audiences. ................................................................................................................................. 9 1.3. Infotainment system architecture............................................................................................................ 9 1.4. Infotainment system variants................................................................................................................. 10 1.5. Infotainment system component images .............................................................................................. 10 1.5.1. Silver Box ........................................................................................................................................ 10 1.5.2. Display ............................................................................................................................................ 12 2. DTC Troubleshoot procedure. ........................................................................................................................ 13 B1C0B-11: Right Rear Speaker Assembly Output Power/Right Rear Speaker Assembly Input Signal-circuit short to ground. ............................................................................................................................................................... 13 B1C0B-12: Right Rear Speaker Assembly Output Power/Right Rear Speaker Assembly Input Signal-circuit short to battery ................................................................................................................................................................ 18 B1C0B-13: Right Rear Speaker Assembly Output Power / Right Rear Speaker Assembly Input Signal - circuit open ................................................................................................................................................................................ 23 B1C09-11: Right Front Speaker Assembly Output Power/Right Front Speaker Assembly Input Signal-circuit short to ground ................................................................................................................................................................ 28 B1C09-12: Right Front Speaker Assembly Output Power/Right Front Speaker Assembly Input Signal-circuit short to battery ................................................................................................................................................................ 33 B1C09-13: Right Front Speaker Assembly Output Power / Right Front Speaker Assembly Input Signal - circuit open........................................................................................................................................................................ 38 B1C08-11: Left Front Speaker Assembly Output Power/Left Front Speaker Assembly Input Signal-circuit short to ground .................................................................................................................................................................... 44 B1C08-12: Left Front Speaker Assembly Output Power/Left Front Speaker Assembly Input Signal-circuit short to battery. ................................................................................................................................................................... 49 B1C08-13: Left Front Speaker Assembly Output Power / Left Front Speaker Assembly Input Signal - circuit open ................................................................................................................................................................................ 54 B1C0A-11: Left Rear Speaker Assembly Output Power/Left Rear Speaker Assembly Input Signal-circuit short to ground .................................................................................................................................................................... 59 B1C0A-12: Left Rear Speaker Assembly Output Power/Left Rear Speaker Assembly Input Signal-circuit short to battery .................................................................................................................................................................... 64
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