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: 632 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. connector or wiring harness 3 Are there any pins backed out from the EMS ECU Connector Rectify/Replace Connectors Go to Next Step 4 Check whether any of the Exhaust temperature sensor (T3/T4/T5/T6 Sensor) pins - K047, K050, A056, A055, A075, A074, A013, A012 are short-circuited to Battery / Ground. Rectify the wiring Harness Connections Go to Next Step. 5 Dis-connect each Exhaust temperature sensor (T3/T4/T5/T6 Sensor) from vehicle and check as below. At 25 degrees of ambient temperature, measure the resistance across the sensor, it shall be ~ 220 Ohms. Go to next step Call Hotline for assistance in deciding whether any of the exhaust temperature sensor has to be replaced. 6 Fault Persists. Call Hotline for assistance in deciding whether any of the exhaust temperature sensor has to be replaced. Go to next step 7 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: T6 Sensor:
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