TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

TML Tiago/Tigor Touch Based Level A Infotainment System DTC Troubleshooting Guide Version: 0.3 Date: 06 th Dec 19 Author: Pritam Bansod Page: 3 of 51 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...................................................................................................................................................... 4 1.1. Objective................................................................................................................................................... 4 1.2. Intended audiences .................................................................................................................................. 4 1.3. Infotainment system architecture............................................................................................................ 4 1.4. Infotainment system variants................................................................................................................... 5 1.5. Infotainment system component images ................................................................................................ 5 1.5.1. Silver Box .......................................................................................................................................... 5 1.5.2. Faceplate .......................................................................................................................................... 5 2. DTC Troubleshoot procedure ........................................................................................................................... 6 B1C01-13: AM/FM Antenna Signal Input Open Circuit ............................................................................................ 6 B1C0E-13: Microphone Signal Input Open Circuit .................................................................................................11 B1C0A-13:Rear Left speaker-Open circuit..............................................................................................................15 B1C0B-13: Rear Right speaker-Open circuit ...........................................................................................................19 B1C08-13: Front Left speaker-Open Circuit ...........................................................................................................23 B1C09-13: Front Right speaker-Open Circuit .........................................................................................................27 B1C20-2A : Steering Wheel control Signal Input – Stuck in Range ........................................................................31 B1C20-13 : Steering Wheel control Signal Input Open Circuit/Short to Battery....................................................35 CAN Bus Architecture .............................................................................................................................................39 Preliminary Check...................................................................................................................................................41 U0028-13:- Vehicle Communication Bus A - open circuit ......................................................................................42 U0028-88:- Vehicle Communication Bus A - Bus off ..............................................................................................44 U0424-81:-Invalid Data Received from Parking Assist Control Module "A" - invalid serial data received ............46 Abbreviations .........................................................................................................................................................49 Appendix.................................................................................................................................................................50 End Of Document ...................................................................................................................................................51