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: 715 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. Step Checks IF YES IF NO 1 Check whether the EGR valve is leaking into intake manifold Rectify the leakage Go to Next step 2 Check whether the intercooler is operating fine (with its specified efficiency) Rectify if possible. Else call hotline for assistance Go to next step 3 Check if Engine overheat is observed. Check coolant level and if found low, fill coolant Check for cooling fan related faults. If found, rectify them. Go to next step 4 Check whether any faults related to MAF sensor are found Rectify them by following their rectification procedure Go to Next step 5 Check WH continuity between HP EGR valve and EMS ECU as per the schematic. Any dis-continuity found? Rectify the WH connections Go to Next step 6 Fault Persists. Call Hotline Repeat the above steps for reconfirmation DTC’s confirmation: After rectification, Test Drive the vehicle for 2 KM and ensure that no DTC’s are logged in ECM. Circuit Schematic:
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