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

TML 7” Infotainment DTC Troubleshooting guide for Tigor Version: 0.1 Date: 13 th Aug 18 Author: Pritam Bansod Page: 16 of 55 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:Rear Left speaker-Open circuit Overview: Write up for the Related Sensor/Actuator or system:- Rear left speaker – This speaker is located at the rear left door hand-side of rear passenger. It gives audible audio as an output when any valid media source is played using HU. Pre-Check Points: Perform Speaker tone test. Trouble Shooting:- Below given flowcharts guides to troubleshoot the fault: ISO Code B1C0A-13 Customer Symptom No audible audio output from rear left speaker/tweeter. Fault Effects (On Vehicle) No audible audio output from rear left speaker/tweeter. Lamp Status (If Any) No Fault Detection Condition 1. No audible audio output from rear left speaker. 2. This DTC gets logged when connection between rear left speaker and Head Unit is open. Normal Operating Condition When any media/radio source is played from Head Unit, audio output is heard from car speakers. Probable Trouble Area  Wiring harness between HU and speakers  HU Connector and connector terminals  Speaker connector and its terminals  Intermittent connector and their terminals Healing Condition None