Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 124 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: ECM detects engine coolant temperature via the engine coolant temperature sensor. The sensor modifies a voltage signal from ECM. The modified signal returns to ECM as the engine coolant temperature input. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases. Circuit Schematic Diagram: Component location and image: Connector View & Information: Wiring harness Side
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