1137 / 4910
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