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: 645 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. P060C-53: Shut−off request of the injection cut−off for the shut−off coordinator in case of a standard ICO Overview: DTC Description (User Friendly) Shut−off request of the injection cut−off for the shut−off coordinator in case of a standard ICO ECU Pin Number NA Customer Symptom MIL ON1, Engine functionality not guaranteed Fault Effects (On Vehicle) Engine functionality not guaranteed Lamp Status (If Any) MIL ON 1 (MIL Off after 3 warm up cycle (Drive cycle with 22 degrees of coolant temperature)) Fault Detection Condition (Root cause) The un−debounced defect detection takes place in the standard ICO mode with an ICO requested and an engine speed greater than 1500 RPM. The un−debounced defective detection takes place in the comfortable ICO mode with requested ICO and an engine speed greater than 1600 RPM. Normal Operating Condition The un−debounced healing takes place in the standard ICO mode with an ICO requested and an engine speed lesser than or equal to 1500 RPM. The un−debounced healing takes place in the comfortable ICO mode with an ICO requested and an engine speed lesser than or equal to 1600 RPM. Probable Trouble Area Engine speed greater than shutoff threshold. Turbocharger Oil Seal Ring leaking EMS ECU Healing Condition Rectify the error Clear through diagnostic tool Ignition OFF & ON Component Details: EMS ECU controls the engine functions and some vehicle functions with the help of Sensor information and actuator control. Memory chips in EMS ECU plays a crucial part in storing the software and operating the applications. 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 whether there are oil leakages in Turbo charger. If yes, rectify. Trouble Shooting: Step Checks IF YES IF NO 1. Re-flash the EMS ECU with latest SW. Fault persists? Call Hot line Go to next step 2 Check whether oil leakages exist in Turbocharger circuit / Turbocharger Oil Seal ring. Rectify the leakages. Else replace damaged rings Go to next step 3. Fault Persists. Call Hotline Repeat the above steps for reconfirmation DTC’s confirmation:
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