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TML Infotainment DTC Troubleshooting guide for Osprey
Version: 0.2
Date: 21-Mar-17
Author:
Vijaya Bhaskar
B/Hemant Mitra
Page: 37 of 63
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.
B1C20-13 : Steering Wheel control Signal Input Open Circuit/Short to Battery
Overview:
Write up for the Related Sensor/Actuator or system:-
Steering wheel control module – This steering wheel control module is located on steering wheel. Using steering
wheel control module, user can change volume/media/radio settings.
Pre-Check Points:
NO
Trouble Shooting:-
Below given flowcharts guides to troubleshoot the fault:
ISO Code
B1C20-13
Customer Symptom
User is unable to change volume/media/radio settings using
steering wheel control module.
Fault Effects (On Vehicle)
No
Lamp Status (If Any)
No
Fault Detection Condition
1. User is unable to change volume/media/radio settings
using steering wheel control module.
2. This DTC gets logged when connection between
steering wheel control signal input and Head Unit is
Open/Short to Battery.
Normal Operating Condition
When user changes settings of volume/media/radio using
steering wheel Control, accordingly Head Unit will process it.
Probable Trouble Area
x
Wiring harness between HU and Steering wheel
control.
x
HU Connector and connector terminals
x
Steering wheel control connector and its terminals
x
Intermittent connector and their terminals
Healing Condition
None