198000327 - E1050 CAN CONNECTION LINES - FUNCTIONAL DESCRIPTION

FUNCTIONAL DESCRIPTION

The Body Computer M1 is supplied directly from the battery via line protected by maxifuse B99 at pin 18 of connector F that interfaces with the junction unit under the dashboard B2 .The ignition-controlled supply (INT) reaches pin 9 of connector F of the interface with the junction unit B2: this signal is designed, amongst other things, to "wake the network up".Pins 10 and 19 of connector H of M1 supply the Body Computer with a reference earth.The nodes connected to Body Computer M1 - from pins 44 and 45 of connector A - via the high speed C-CAN are:- electric steering control unit M86 ;- yaw sensor K74 (only present on versions with ESP);- ABS/ESP control unit M50 ;- engine management control unit M10.Numerous nodes are connected with the Body Computer M1 via the low speed B-CAN - from pins 5-6, 24-25 of connector H of M1, as well as from pins 5-17 of connector H and 10-28 of connector D of the junction unit under the dashboard B2.These nodes are:- instrument panel E50- Air Bag control unit M60 .- climate control sytem control unit M70;- additional heater control unit M75 (if present)- radio/navigator unit P20- Bluetooth control unit M162- parking sensor control unit M84- seat control units H66, H67- diagnostic connector R10 (on right hand drive versions separate from the Body Computer)