Gravitas FATC Gen 3 DTC Troubleshooting Data Version: 1.0 Date: 15-July-2023 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. Author: ERC Page: 274 of 301 a) Check whether HVAC ECU is communicating with diagnostic Tool or not. b) DTC should not be present in ECU memory. Circuit Schematic Diagram:-N.A Component Location & Image:- N.A Connector Location: N.A Connector View & Information: - N.A Inspection Method: - N.A TCU ECU side connector diagram ECU Side Connector: Ignition input 22 Battery ground 24 Connector View & Information: - IPC ECU Pin assignment:- Description ECU pin CAN_H chassis 6 CAN_L chassis 5 Battery 1
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