GF27.19-P-1350AHV Transmission Mode Control Unit, Component Description

GF27.19-P-1350AHV Transmission Mode Control Unit, Component Description
- TRANSMISSION 722.930 in MODEL 204.0 /2 /3





N145 Transmission mode control unit

Location

The transmission mode control unit is on the right under the step plate in the front passenger footwell.

Task

General

On the transmission mode control unit, up to 5 modular buttons or sensors can be directly connected. They are read in by the transmission mode control unit directly or via the AMG DRIVE UNIT LIN (LIN B11), processed digitally and placed on the chassis CAN (CAN E) and on the drive train CAN (CAN C).

The transmission mode control unit contains memory functions for storing states (e.g. settings). Apart from this, the transmission mode control unit is also equipped with an internal fault memory.

Input and output signals

The transmission mode control unit evaluates the following input signals and issues the corresponding output signals:
^ Direct input signals
^ Direct output signals
^ CAN input signals
^ CAN output signals
^ AMG DRIVE UNIT LIN signals

Direct input signals
- Terminal 30
- Circuit 31

Direct output signals
- None

CAN input signals

Electronic ignition lock control unit (N73)
- Circuit 50 and circuit 15, signal

Front SAM control unit with fuse and relay module (N10/1)
- Diagnosis communication

CAN output signals

Instrument cluster (A1)
- Transmission mode selection

ME-SFI [ME] control unit (N3/10)
- Transmission mode selection

Fully integrated transmission control unit (Y3/8n4)
- Transmission mode selection

Front SAM control unit with fuse and relay module (N10/1)
- Diagnosis communication

AMG DRIVE UNIT LIN signals

Transmission mode rotary switch (S192)
- Transmission mode selection "RS", "C", "S", "S+" and "M".