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: 237 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. P268F-56: check of IMA quantisation type mismatch injector 4 Overview: DTC Description as per ISO standard check of IMA quantisation type mismatch injector 4 ECU Pin Number - Customer Symptom CEL Lamp blinking Fuel consumption not available Fault Effects (On Vehicle) - Lamp Status (If Any) CEL lamp blinking Fault Detection Condition (Root cause) IMA Code not correctly written in ECU for injector 4 Normal Operating Condition No Fault Code Probable Trouble Area Incorrect IMA written in ECU for injector 4 Healing Condition Write correct IMA code. Clear through diagnostic tool Ignition OFF & ON Component Details: IMA code is written in ECU memory for the optimum fuel injection calculation. Preliminary Checks: 1. Read the fault using the TML diagnostic tool. 2. Read IMA code using TML diagnostic tool. If no IMA code written in ECU. 3. Write the correct IMA code using TML diagnostic tool. 4. If IMA code is already present verify whether it is correct or not. 5. Write correct IMA code. 6. After writing successful turn ignition OFF and ON. 7. Clear DTC and Read the DTC. 8. No error in ECU memory.
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