TML HARRIER Infotainment DTC Troubleshooting guide
Version: 0.2 Draft
Date: 31-Jul-18
Author:
Vijaya Bhaskar
B/Pritam Bansod
Page: 73 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.
B1C4D-08: Button Panel LIN - Bus Signal / Message Failures
Overview:
Write up for the Related Sensor/Actuator or system:-
Button Panel – It is used to control infotainment feature. Using this user can be able to browse all infotainment
functionality.
Pre-Check Points:
NO
Trouble Shooting:-
Below given flowcharts guides to troubleshoot the fault:
DTC’s confirmation:-
Once DTC is rectified, confirm all Infotainment button panel keys/switches are working as expected.
Circuit Schematic Diagram:-
ISO Code
B1C4D-08
Customer Symptom
User is unable to operate button panel functionality.
Fault Effects (On Vehicle)
No
Lamp Status (If Any)
No
Fault Detection Condition
User is unable to operate infotainment system.
Normal Operating Condition
User can execute all available button panel keys/switches
function (AM/FM/USB/Volume update etc.)
Probable Trouble Area
Wiring harness between silver box and Button panel.
Silver box connector and its connector terminals
Button panel connector and its terminals
Intermittent connector and their terminals
Healing Condition
None
TBA




