Nexon EV Instrument Cluster DTC Troubleshooting Data Version: 1.1 Date: 13-July-2021 Author: Deepak Pujari Page: 17 of 108 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. B194A - 11:- Steering Wheel switch short to GND ISO Code B194A - 11 Customer Symptom In IC, screen not responds for the Steering Wheel switch input. Fault Effects (On Vehicle) IC not responding for change in Steering Wheel switch position. Lamp Status (If Any) N/A Fault Detection Condition IC not responding for change in Steering Wheel switch position. Normal Operating Condition IC shall respond for the different position of Steering Wheel switch. (Trip, Service Reminder screen ,Setting) Probable Trouble Area Related wiring Harness, connector or terminals IC connector wired wrong, Harness wire shorted. Healing Condition Clear the fault, Ignition On/Off Component Details: Steering Wheel Switch - This is a part of Steering Wheel switch (right). It is used to reset the Trip meters, setting the Clock and changing the display screen. Preliminary Checks: 1. Check Battery Voltage is normal in the range(8v - 16v) 2. Check Steering Wheel switch is working properly or not.
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