X205 IPC Specific Diagnostic Specification TITLE: X2 IPC Specific Diagnostic Specification Document number: TBD Date: 28/12/2012016 Version: V1.1 Page: 9 of 11 Prepared: Amarnath / Nitin Jamdar/Muni Balaji/Ramakant Pandey /Nitin Jamdar Checked: Sanjay Jaisingh 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. 2. ECU Functional Description The Instrument Panel Cluster (IPC) monitors the vehicle’s systems and functions by considering various inputs from switches, sensors etc which are connected to it (hardwired or through CAN). It provides the vehicle’s occupants with information regarding the status and operating condition of these systems and functions, including. Examples of typical functions monitored by the IPC: Vehicle Speed Engine Speed Coolant Temperature Oil Pressure Fuel Level Exterior Lights Doors / Boot Airbag (fault status) Engine Management (fault status) Fuel computer The IPC communicates with other ECUs over CAN, and acts as a CAN-CAN gateway. Through its position in the vehicle communications network, the IPC is the diagnostic gateway to all other ECUs. The IPC acts as the Master ECU (MECU) with regard to acquisition and transmission of Global Snapshot Data. This specification and the referenced documents are only intended to provide information regarding the replacement of failure IPC with new working IPC. It is not intended to provide detailed information about the functional operation of the IPC.
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