Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 167 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 Drive the vehicle in city and highway condition Circuit Description: ECM in accordance with engine and driving conditions gives a PWM output to directly drive a vacuum operated actuator (EVRV) which in turn drives the EGR bypass valve. Hence ECM indirectly controls the opening and closing of EGR bypass valve. EVRV provides variable vacuum levels to drive the EGR bypass 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: Connector View & Information: Wiring Harness Side
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