IC Replacement & Flashing Specification for Nexon_MCE2 CNG 7inch Digital Instrument Cluster TITLE: IC Replacement & Flashing Specification for Nexon_MCE2 CNG 7inch Digital Instrument Cluster. Date: 21/05/2023 Version: V1.0 Page: 13 of 16 Prepared: Suraj Patil Checked: Rajesh Patil Approved: Sanjay Jaisingh This specification is the exclusive property of Tata Motors Limited. Without their consent it may not be reproduced or given to third parties. The above specifications are subject to change and therefore suppliers are requested to refer the latest one. CONTROLLED COPY FOR RESTRICTED CIRCULATION © TATA MOTORS LTD. 4. IC Replacement Strategy when IC is failed (Online) Following are the steps to replace the IC ECU. Step 1: Fit New IC and connect Diagnostics Tool to OBD connector. Step 2: Access default session and then access extended session of IC. Step 3: IC compatibility check: We should check if the new IC fitted on vehicle is compatible for Replacement. Download VC data from PLM, which should contain 16R part numbers. Read following DID from IC and compare them with downloaded VC Data Sr No DID Parameter Name 1 F187 Vehicle manufacturer Spare part number Above parameter in IC should match with PLM data. Step 4: IC writing operation: Read/Write following parameters in IC using PLM data and Immobilizer VC Number reference: Sl.No DID Parameter Name 1 F190 VIN number 2 4650 IC Configuration 3 46FF Tank size 4 4663 OAT present or absent 5 7244 Parameterisation part number depending on PLM data 6 7235 VC number depending on PLM data 7 466B AFE biasing factor 8 4714 Voice & Text alert enable/disable 9 4715 Voice & Text Individual alert configuration
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