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BMW G12 2015 User Manual

BMW G12 2015
78 pages
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Technical�training.
Product�information.
BMW�Service
G12�Voltage�Supply�and�Bus�Systems
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BMW G12 2015 Specifications

General IconGeneral
BrandBMW
ModelG12 2015
CategoryAutomobile
LanguageEnglish

Summary

G12 Bus Systems Overview

Bus Overview

Provides a general overview of the bus systems used in the G12.

Main Bus Systems

Details K-CAN, PT-CAN, FlexRay, Ethernet, and D-CAN bus types.

Sub-Bus Systems

Covers LIN-Bus, Local CAN, and USB interfaces.

Diagnosis Access

Explains diagnosis access via OBD2.

G12 Control Units

Control Unit Installation Locations

Illustrates the physical placement of various control units within the vehicle.

Gateway Control Units

Details the Gateway function, specifically the Body Domain Controller (BDC).

Control Units by Bus Type

Categorizes control units based on their bus system (MOST, K-CAN2, etc.).

Specific Control Unit Functions

Describes roles of PMA, SWW, ASD, CON, IHKA, LEM, TCB.

G12 Voltage Supply

Voltage Supply System Overview

Presents the system wiring diagram for voltage distribution.

Voltage Supply Components

Details batteries, power distribution boxes, and power control units.

Battery and Charging Systems

Explains intelligent battery sensor, safety terminal, and alternator.

Power Distribution and Control

Covers power distribution boxes and BDC terminal control.

G12 Terminal Control

Vehicle Conditions and Terminals

Defines vehicle conditions (PARKING, RESIDING, DRIVING) and terminal control.

Terminal Control Diagram

Illustrates changes between vehicle conditions and terminal states.

Power Supply Terminals

Details the function of terminals 15N, 30B, 30F, and 30.

Partial Network Operation

Explains selective deactivation of control units for energy saving.

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