Mercedes-Benz ML320. Manual — part 152

Electronic Control Module, Location

Bolted onto the valve housing of shift plate (2a). See Fig. 34.

Electronic Control Module, Task

To receive various input signals and to convert the control module information into hydraulic functions.

Electronic Control Module, Design

See ELECTRONIC CONTROL MODULE, DESIGN.

Electronic Control Module, Function

See ELECTRONIC CONTROL MODULE, FUNCTION.

Electronic Control Module, Design

2001 Mercedes-Benz ML320

1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662

me

Fig. 35: Electronic Control Module, Design
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Structure

The electrical control unit (Y3/6) consists of a supporting body made from plastic, in which the electrical
components, RPM sensors 2 and 3 (Y3/6n2, Y3/6n3), the regulating solenoid valves (Y3/6y1, Y3/6y2), the shift
solenoid valves (Y3/6y6), the starter lockout contact (Y3/6s1) and transmission oil temperature sensor (Y3/6b1)
are combined. See Fig. 35. Conductor tracks integrated into the shell connect the electric components to a plug
connection (11).

2001 Mercedes-Benz ML320

1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662

me

The connection to the wiring harness on the vehicle side and the ETC control module (N15/3) is made via this
13-pin connector (11) with a bayonet lock.

With the exception of the solenoid valves, all other electric components are fixed to the conductor tracks.

Electronic Control Module, Function

2001 Mercedes-Benz ML320

1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662

me

2001 Mercedes-Benz ML320

1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662

me