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: 262 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. P242D-15: Exhaust Gas Temperature Sensor Circuit High: Inlet Diesel Particulate Filter exhaust gas temperature sensor (circuit short to battery or open) Overview: DTC Description (User Friendly) Exhaust Gas Temperature Sensor Circuit High: Inlet Diesel Particulate Filter exhaust gas temperature sensor (circuit short to battery or open). ECU Pin Number A075, A074 Customer Symptom MIL ON, CEL OFF Fault Effects (On Vehicle) - Lamp Status (If Any) MIL ON. MIL Turns Off as and when fault condition is not present / healed. Fault Detection Condition (Root cause) 3. The sensed raw voltage value is above 2258 volt. 4. This DTC gets logged if inlet exhaust gas temperature sensor 2 short circuit to battery or open. Normal Operating Condition Proper wiring harness connections between Inlet exhaust gas temperature sensor2 and EMS ECU. Probable Trouble Area Wiring harness connections between Inlet exhaust gas temperature sensor 2 and EMS ECU. Healing Condition Rectify the error Clear through diagnostic tool.Ignition OFF & ON. Component Details: Exhaust gas temperature sensor is used to measure temperature inside exhaust system. Preliminary Checks: 1. Check whether the customer voice / view about the issue is matching with the fault effects mentioned in above Table. If yes, go ahead with next steps. If not, check for other DTC’s presence. 2. Check whether other customers report similar complaints earlier. If yes, perform the preliminary checks with respect to earlier issue closure. 3. Check for Damage in EMS ECU connector / Inlet Diesel Particulate Filter exhaust gas temperature sensor. 4. Check for any back out of pins at EMS ECU connector / Inlet Diesel Particulate Filter exhaust gas temperature sensor. 5. Check for any damage of pins at EMS ECU connector / Inlet Diesel Particulate Filter exhaust gas temperature sensor. Trouble Shooting:
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