Q501 4 Cylinder MT Application DTC Troubleshooting Data Version: 0.1 Date: 21-Sep-2018 Prepared By: Mithi Prasad, Sarang Kulkarni, Manish Gupta Checked By: Yogesh Jadhav Approved By: Satish Kumar P Page: 374 of 1052 Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. Battery. 15. Perform the leak detection test for leakages? Is Test result Negative. Perform necessary repairs to arrest leakages. Go to Next step. 16. If fault still persists. Replace economy mode switch. IF fault still persists then Call hot line Confirm the above procedure for fault Rectification. DTC’s confirmation (checks before handing over vehicle to customer): • Rail pressure at ignition key on is < 10 bar, By removing the rail pressure sensor connector shows rail pressure value of 2000 bar, High pressure leak detection test can be carried out. • Please drive the vehicle on road, check and ensure rail pressure feed-back follows the demand continuously.Check adequate fuel is available in it. • Check the errors at Ignition ON, engine running @ Idle & Fly-up with different vehicle speeds also.If error present, then rectify the errors. Confirm that there is not error logged present before handed over vehicle to customer. Circuit Schematic: Component Location & Image:- NA 5V supply from EMS to rail pressure sensor EMS ECU Rail Pressure Sensor 03 02 01 Input analog signal from rail pressure sensor to EMS Gnd supply from EMS to rail pressure sensor A042 A062 A063
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