Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 737 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 Verification condition: Drive the vehicle in city and highway condition Circuit Description: ECM in accordance with engine and driving conditions gives an electric output to directly drive a DC motor (Part of EGR module) which in turn drives the EGR valve. Hence ECM indirectly controls the opening and closing of EGR valve. EGR plays an important role in emissions control by altering rate of flow of exhaust gases from exhaust manifold. Circuit Schematic Diagram: Component location and image:
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