FATC Replacement Procedure TITLE : FATC Replacement Procedure Doc No: 2921 02 217 A1198 Date: 3rd February 17 Revision: 1.0 Page: 7 of 9 Prepared : Valentina \Vinisha Checked: Valentina Approved: Anand Sikchi 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. Start response: 71 01 3e 02 Step 2 - After every 1 second read status record till the calibration takes place Routine result: 31 03 3e 02 Routine result: 71 03 3e 02 [Routine Information -1 byte] [Response Additional Data -3 bytes] NOTE: - Require the routine to be executed with a pop up to the user in event of failure or success of the routine. In case of failure\unsuccessful status of any of the motor actuators terminate with instructions to resolve the problem i.e. A) Execute the Motor Calibration Routine through “Routine test” tab. B) Read DTCs and debug the problem using DTC trouble shooting guideline. C) On resolving the issue, the ECU replacement procedure should be executed again. 9. Read the DTC (write it to log) and clear the DTC. 10. Unlock security to FATC ECU (27 03/04) 11. Do the Diagnostics process a. Read VIN from Vehicle (22 f1 90) b. Write VIN in FATC (2E F1 90 11 11 11 11 11 22 22 22 22 22 33 33 33 33 33 44 44 00 00 00 00 00 00 00) c. Read VIN in FATC (22 F1 90) 12. Read version no from existing FATC and compare against server DID DID Name as per HVAC CM_Specific_Diag Specification_Service DID Name as per PLM Server 7244 ECU Parameterization Software Number FATC Parameter Part Number 4A9F FATC Cal Variant coding HVAC CM Cal Variant coding F195 System Supplier ECU Software Version Number System Supplier ECU Software Number 13. Read the below DIDs from the existing FATC: - a. Vehicle Manufacturer ECU Software Version Number (F1 89) b. Vehicle Manufacturer ECU Hardware Number (F192) c. Vehicle Manufacturer ECU Hardware Version Number(F193) d. Vehicle_Manufacturer_Spare_Part_Number (F187)
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