Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 220 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 Step 7 If the problem is rectified with dummy IMV, replace the HP pump - Verification condition: Drive the vehicle in city and highway condition for 20 mins. Component Details: Inlet Metering Unit (IMV) is used to control pressure inside the rail. The IMV delivers metered fuel quantity to high pressure pump. High-pressure pump delivers fuel to common rail. The IMV governing is done by ECU based on the demand to maintain the required rail pressure. The Rail Pressure Sensor is used to determine actual rail pressure. That value is needed for high-pressure control, engine protection and injection control. The sensor is mounted on the rail. Circuit Schematic Diagram: Component Location and Image: Connector View & Information: Wiring Harness Side
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