TML Gen3 IVI DTC Troubleshooting guide Version: 0.4 Draft Date: 04-Aug-23 Author: Hemant Mitra Page: 13 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. 2. DTC Troubleshoot procedure. Below is the DTC description and Troubleshooting procedure. B1C0B-11: Right Rear Speaker Assembly Output Power/Right Rear Speaker Assembly Input Signalcircuit short to ground. Overview: Write up for the Related Sensor/Actuator or system:- Right rear speaker – This speaker is located at the rear right door hand-side of rear passenger. It gives audible audio as an output when any valid media source is played using infotainment system. Pre-Check Points: Perform Speaker tone test. Trouble Shooting:- Below given flowcharts guides to troubleshoot the fault: ISO Code B1C0B-11 Customer Symptom No audible audio output from right rear speaker/tweeter. Fault Effects (On Vehicle) No audible audio output from right rear speaker/tweeter. Lamp Status (If Any) No Fault Detection Condition 1.No audible audio output from right rear speaker. 2.This DTC gets logged when connection between right rear speaker and Head Unit is short to GND. 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 terminal Healing Condition None
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