LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2008 >> C350 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Basic Knowledge - C63/C350 (204) >> Basic Knowledge >> Electric controller unit, component description - GF27.19-P-5145CWQ

Electric controller unit, component description - GF27.19-P-5145CWQ

TRANSMISSION 722.9 in MODEL 204.0 up to Model Year 8 

Fig 1: Identifying Fully Integrated Transmission Control Unit
G07539656Courtesy of MERCEDES-BENZ USA

Location 

The fully integrated transmission control controller unit, the valve housing, the intermediate panel and the valve body are connected together with bolts and mounted under the transmission housing.

Task 

The fully integrated transmission control controller unit receives the various input signals and converts the control unit information into hydraulic functions.

Fig 2: Identifying Fully Integrated Transmission Controller Unit (Top View)
G07539657Courtesy of MERCEDES-BENZ USA

Design 

The fully integrated transmission control controller unit consists of a plastic supporting body in which the following electrical components are housed:

The printed-conductor foil which is inserted in the supporting body makes the connection between the electrical components and the plug socket.

Apart from the solenoid valves all the other electrical components are permanently connected to the printed-conductor foil.

Function 

In the fully integrated transmission control controller unit, signals from the fully integrated transmission control unit are converted into hydraulic functions. The following electrical components supply input signals to the fully integrated transmission control unit:

The connection to the cable set on the vehicle side is made with a bayonet lock via the plug socket.

The control solenoid valves listed are actuated by the fully integrated transmission control unit and trigger hydraulic functions:

scientia non olet · About LEMON Manuals