Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 485 of 834 Copyright by TATA MOTORS Ltd. This document must not be used in any w ay, such as copying and redistributing to third parties, w ithout our consent Circuit Description: The battery supplies electricity to ECM even when the ignition switch is OFF. This electricity allows ECM to store data such as DTC history, freeze frame data, fuel trim values and other data. If the battery voltage falls out of range, ECM will conclude that there is a fault in the power supply circuit. Circuit Schematic Diagram: Component location and image: Connector View & Information: Wiring Harness Side NA
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