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System Information Document ____________________________________________________________________________________________________ [Revision: 2.3] ____________________________________________________________________________________________________ Page 7 of 52 If the battery supply is different from that expected, the following details the functionality of the Voltage System behaviour 16.0 - 26.0 Jump start; excess voltage without damage, limphome mode, output stanges for ° C). 9.0 - 16.0 Voltage range for normal operation of the EAT with CAN-Bus corresponding to the 6.5 - 9.0 Operation of the EAT with diagnostic functions and CAN-Bus enabled, limp home 3.0 - 6.5 Under voltage with data retention in SRAM, limp home mode, unreliable 0 - 3.0 Undervoltage without reliable function -14 - 0 Reversed polarity without damage (-14V max 1 min at 25 ° C) - Recommended wire size: 1.5mm 2 2.2.3 Serial information - inputs 2.2.3.1 Pins 16 and 44 - CAN information from Engnine management system Both Discovery Series II and 99MY Range Rover vehicles use a CAN specification owned by ZF called Ω terminating resistors. For more information on the CAN bus, please refer to the CAN specification. 2.2.4 Serial information – outputs 2.2.4.1 Pins 16 and 44 - CAN information sent to Engine Management system See section the relevant section - CAN information from the Engine management system. 2.2.5 Digital inputs 2.2.5.1 Pins 8, 9, 36, 37 - Position switch The position switch is the electrical input to the Transmission ECU regarding the drivers requested gear. |