NEXON 2.0 EV DTC Troubleshooting Document for VCU Version: 1.0 draft Date: 31-Jan-2022 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. To verify operation of solenoid valve using TML diagnostic tool, ensure vehicle is in ignition mode, vehicle is stationary and LV battery voltage is >11V. Send command to open and close battery solenoid valve and read back the parameter value to ensure command is sent. Parameter Name: Battery cooling solenoid valve On Cmd (DID No: 344D) DID No Vehicle Parameter Name Condition Expected Value 344D Battery cooling solenoid valve On Cmd Valve Open 1 344D Battery cooling solenoid valve On Cmd Valve Close 0 Physical opening and closing of solenoid valve need to be ensured by validating on vehicle during above operation. Circuit Schematic Diagram: Component Location: - Engine Bay on chiller assembly
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