Front Electronic Module A173*4B Connector End View
Pin Assignments At Plug Connector A173*4B
| Pin | Type | Description /Signal type | Connection /Measuring information |
|---|---|---|---|
| 1 | A | Actuation, mirror heater, basic mirror | Exterior mirror, front passenger |
| 2 | A | Actuation, mirror heater, basic mirror | Exterior mirror, driver |
| 3 | A | Actuation, water jet heater | Connector, heated washer jets |
| 4 | A | Activation, relay, terminal 15N | Fuse carrier, rear |
| 5 | A | Activation, relay, terminal 30B | Fuse carrier, rear |
| 6 | -- | Not used | |
| 7 | A | Activation, power window drive | Power window drive, passenger |
| 8 | A | Activation, power window drive | Power window drive, passenger |
| 9 | A | Supply, Hall sensor | Power window drive, passenger |
| 10 | E | Hall sensor signal | Power window drive, passenger |
| 11 | E | Hall sensor signal | Power window drive, passenger |
| 12 | E | Signal Passenger's door power window switch | Passenger's door power window switch |
| 13 | E | Aerial signal, comfort access | Interior aerial, centre console, front |
| 14 | E | Aerial signal, comfort access | Interior aerial, centre console, front |
| 15 | E/A | LIN bus signal | Remote control receiver |
| 16 | A | Actuation, central locking drive | Central locking drive, fuel filler flap |
| 17 | A | Actuation, central locking drive | Door lock, rear passenger's side |
| 18 | A | Actuation, central locking drive | Central locking drive storage compartment centre console Convertible |
| 18 | A | Actuation, central locking drive | Door lock, rear driver's side 4-door model |
| 19 | A | Actuation, central locking drive | Front passenger-door lock |
| 20 | A | Actuation, central locking drive | Driver's door lock |
| 21 | A | Supply, Hall sensor | Power window drive, driver |
| 22 | E | Hall sensor signal | Power window drive, driver |
| 23 | E | Hall sensor signal | Power window drive, driver |
| 24 | -- | Not used | |
| 25 | E | Aerial signal, comfort access | Interior aerial, centre console, rear |
| 26 | E | Aerial signal, comfort access | Interior aerial, centre console, rear |
| 27 | E/A | LIN bus signal | Exterior mirror, front passenger |
| 28 | A | Actuation, central locking drive | Front passenger-door lock |
| 29 | A | Actuation, central locking drive | Driver's door lock |
| 30 | A | Actuation, central locking drive | Driver's door lock |
| 31 | A | Actuation, central locking drive | Front passenger-door lock |
| 32 | -- | Not used | |
| 33 | M | Ground | Ground point |
| 34 | A | Activation, power window drive | Power window drive, driver |
| 35 | A | Activation, power window drive | Power window drive, driver |
| 36 | A | Activation Windscreen washer pump | Windscreen washer pump |
| 37 | A | Manual headlight beam throw adjustment activation | Right headlight |
| 38 | A | Manual headlight beam throw adjustment activation | Right headlight |
| 39 | A | Manual headlight beam throw adjustment activation | Right headlight |
| 40 | A | Manual headlight beam throw adjustment activation | Right headlight |
| 41 | E/A | LIN bus signal | Bus connection |
| 42 | E/A | LIN bus signal | Switch block, driver's door |
| 43 | A | Actuation, central locking drive | Door lock, rear passenger's side |
| 44 | A | Actuation, central locking drive | Door lock, rear driver's side 4-door model |
| 44 | A | Actuation, central locking drive | Central locking drive storage compartment centre console Convertible |
| 45 | A | Actuation, central locking drive | Central locking drive, fuel filler flap |
| 46 | A | Actuation, central locking drive | Door lock, rear passenger's side |
| 47 | A | Actuation, central locking drive | Door lock, rear driver's side |
| 48 | A | Activation Rear washer pump | Rear washer pump |
| 49 | A | Manual headlight beam throw adjustment activation | Left headlight |
| 50 | A | Manual headlight beam throw adjustment activation | Left headlight |
| 51 | A | Manual headlight beam throw adjustment activation | Left headlight |
| 52 | A | Manual headlight beam throw adjustment activation | Left headlight |
| 53 | E/A | LIN bus signal | Left headlight |
| 54 | E/A | LIN bus signal | Right headlight |