BMW E65 User Manual download pdf (Page 7)

E65 Bus Systems

E65 Sub-Bus Systems

In addition to the bus systems, sub-bus systems are also used. These are subordinate ser-

ial bus systems. Their functions correspond to those of the previous I/K bus.

The following sub-bus systems are fitted on the E65:

• Driver's door P bus (driver's door switch block periphery bus)

• Engine LoCAN (engine Low CAN bus; link between DME and Valvetronic control unit)

• Telcommander CAN (Phone board CAN)

• M bus (air-conditioning motor bus)

• DWA K bus (alarm system body bus)

• BSD interface (bit-serial data interface)

Driver’s Door P-Bus

The driver's door P bus passes the signals from the driver's-door switch block to the door

module (e.g. functions window lift, child lock-out request, Sun shade).

KT-7327

P-Bus

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BMW E65 User Manual Page 7