TML Infotainment DTC Troubleshooting guide for Kanger 2.0 Version: 0.1 Date: 20-Jul-21 Author: Hemant Mitra/ Yogesh Pansare Page: 3 of 89 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...................................................................................................................................................... 5 1.1. Objective................................................................................................................................................... 5 1.2. Intended audiences .................................................................................................................................. 5 1.3. Infotainment system architecture............................................................................................................ 5 1.4. Infotainment system variants................................................................................................................... 6 1.5. Infotainment system component images ................................................................................................ 6 1.5.1. Silver Box .......................................................................................................................................... 6 1.5.2. Button Panel (If Applicable).............................................................................................................. 6 1.5.3. Display .............................................................................................................................................. 7 2. DTC Troubleshoot procedure ........................................................................................................................... 8 B1C01-13: AM FM Antenna Signal - circuit open ..................................................................................................... 8 B1C33-2A: Hard Switch (Push Button/Rotary Knobs) - signal stuck in range.........................................................13 B1C0E-13: Microphone Signal Input - circuit open ................................................................................................17 B1C0A-13: Left Rear Speaker Assembly Output Power / Left Rear Speaker Assembly Input Signal 1 - circuit open ................................................................................................................................................................................21 B1C0B-13: Right Rear Speaker Assembly Output Power / Right Rear Speaker Assembly Input Signal 1 - circuit open........................................................................................................................................................................25 B1C08-13: Left Front Speaker Assembly Output Power / Left Front Speaker Assembly Input Signal 1 - circuit open........................................................................................................................................................................30 B1C09-13: Right Front Speaker Assembly Output Power / Right Front Speaker Assembly Input Signal 1 - circuit open........................................................................................................................................................................34 B1C20-2A: Steering Wheel Control Input Signal - signal stuck in range.................................................................38 B1C20-13: Steering Wheel Control Input Signal - circuit open ..............................................................................42 B1C4B-13: LVDS connector - circuit open ..............................................................................................................47 B1C4D-08: Button Panel LIN - Bus Signal / Message Failures ................................................................................52 CAN Bus Architecture .............................................................................................................................................55 Preliminary Check...................................................................................................................................................57 U0028-13: Vehicle Communication Bus A - open circuit .......................................................................................58 U0028-88: Vehicle Communication Bus A - Bus off ...............................................................................................60
RkJQdWJsaXNoZXIy MTIwNTUz