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: 1029 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. Trouble Shooting: Step Checks IF YES IF NO 1. Check whether the EMS ECU is receiving supply and Ground Go to step 2 Rectify wiring harness connections as per schematic 2. Check DPF sensor electrical connection as per schematic Go to step 3 Repair the failure 3. Check DPF sensor signal pin 42 or supply pin 16 open circuit or short circuit to ground. Go to step 4 Repair the failure 4. Check the Damaged exhaust system or Leak in exhaust system Got to step 5 Rectify the fault 5. Exhaust tubes to differential pressure sensor leak Go to step 6 Rectify the fault 6. If fault still persists Call Hotline Repeat above procedure for reconfirmation DTC’s confirmation: After rectification, Test Drive the vehicle for 2 KM and ensure that no DTC’s are logged in ECM. Call Hot Line and check whether the fault is rectified or not. Circuit Schematic: Component Location & Image:- EMS ECU DPF sensor 16 15 42 3 2 1 +5V Supply Ground Sensor Signal
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