TML HARRIER Infotainment DTC Troubleshooting guide Version: 0.2 Draft Date: 31-Jul-18 Author: Vijaya Bhaskar B/Pritam Bansod Page: 16 of 113 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. B1C0E-13: Microphone Signal Input - circuit open Overview: Write up for the system:- Microphone – This microphone is located at the roof top of vehicle. It is used for executing voice commands and BT (Bluetooth) connected phone calls. ISO Code B1C0E-13 Customer Symptom 1. Caller is unable to hear User voice that is on vehicle during active call using BT connected phone. 2. Silver box is unable to accept user given Voice recognition (VR) commands. Fault Effects (On Vehicle) No Lamp Status (If Any) No Fault Detection Condition 1. Caller is unable to hear User voice that is on vehicle during active call using BT connected phone. 2. Silver box is unable to accept user given Voice recognition (VR) commands. 3. This DTC gets logged when connection between microphone signal input and silver box is Open circuit. Normal Operating Condition 1. User will be able to make BT hands free phone calls. 2. User will be able to launch the outgoing calls using voice commands. Probable Trouble Area Wiring harness between silver box and microphone Silver box connector and connector terminals Microphone connector and its terminals Intermittent connector and their terminals Healing Condition None
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