198000332 - E1060 A - BUS SERIAL LINE - FUNCTIONAL DESCRIPTION

FUNCTIONAL DESCRIPTION

The Body Computer M1 receives a direct supply from the battery via the line protected by maxifuse B99 at pin 18 of connector F of the interface 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.The A-BUS serial line is connected from pin 34 of connector B of the Body Computer M1 with the alarm sensor P90 - pin 2 - and with the steering column switch unit H5 - pin 2 of connector A; the latter manages the automatic wiping signal (rain sensor) and automatic lighting (dusk sensor).The A-BUS serial line is connected from pin 10 of connector D of the Body Computer M1, with the alarm volumetric/anti tilt sensors K62 - pin 4 - and with the rain and dusk sensors K125, pin 3.The same line is also connected with pin 18 of control unit M47 of the TPMS.