NEXON 3.0 EV DTC Troubleshooting Document for VCU Version: 2.0 Date: 22-Sep-2023 Copyright © TATA MOTORS Ltd. This document must not be used in anyway, such as copying and redistributing to third parties, without the consent of author. +/- 5 when all connections are okay. Check if VECU parameter Eco/ Sports mode switch analog input count value is greater than 250? DTC’s confirmation: - After rectification, ensure the following points by referring to VECU Parameter list using TML diagnostic tool before handing over to customer. DID No Vehicle Parameter Name Expected Value when switch is not pressed 34DF Eco & Sports mode switches analog input count value 157 +/- 5 1. Vehicle should be in Ignition ON Mode 2. change the mode using Eco & Sports switch and check if it is working. Press Eco/Sports and check the following DID value, if it is in the valid expected range. Switch VECU parameter Range Sports mode switch Between 74 and 106 Eco mode switch Between 5 and 24 Circuit Schematic Diagram: Component Location & Image: -
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