GF32.50-P-4501RI ABC Control Unit, Component Description

GF32.50-P-4501RI ABC control unit, component description
- with CODE (487) Active body control (ABC)
- refinement package
- as of model year 09

Component Identification:

Location
The ABC control unit is located on the left behind the instrument panel support.

Task
The ABC control unit has the following tasks:
^ Reading in of sensors, pickups and signals
^ Evaluation of input factors
^ Actuation of components

Reading in of sensors, pickups and signals
The input factors are read in with the following connections:
^ Direct line
^ Engine compartment CAN

Direct line
The following components and signals are read in over a direct line:
- ABC pressure sensor (B4/5)
- Left front ABC pressure sensor (B4/8)
- Right front ABC pressure sensor (B4/9)
- Left rear ABC pressure sensor (B4/10)
- Right rear ABC pressure sensor (B4/11)
- Left rear level sensor (B22/7)
- Left front level sensor (B22/8)
- Right front level sensor (B22/9)
- Right rear level sensor (B22/10)
- Left front body lateral acceleration sensor (B24/3)
- Right front body acceleration sensor (B24/4)
- Left rear body lateral acceleration sensor (B24/5)
- ABC lateral acceleration sensor (B24/12)
- Wake-up input from driver SAM control unit (N10/10)

Engine compartment CAN
The ABC control unit reads in function-specific information over the engine compartment-CAN.

Evaluation of input factors
The input factors that have been read in are evaluated by the integrated microprocessor and the corresponding components are then actuated.

Actuation of components
Components are actuated with the following lines:
^ Direct line
^ Engine compartment CAN

Direct line
The following components are actuated via a direct line:
- ABC front axle valve unit (Y36/1)
- Left front suspension strut control valve (Y36/1y1)
- Left front suspension strut blocking valve (Y36/1y2)
- Right front suspension strut control valve (Y36/1y3)
- Right front suspension strut blocking valve (Y36/1y4)
- ABC rear axle valve unit (Y36/2)
- Left rear suspension strut control valve (Y36/2y1)
- Left rear suspension strut blocking valve (Y36/2y2)
- Right rear suspension strut control valve (Y36/2y3)
- Right rear suspension strut blocking valve (Y36/2y4)
- ABC suction restrictor valve (Y86/1)

Engine compartment CAN
The ABC control unit sends requests for function-specific actuations over the engine compartment-CAN.