Front Electronic Module A173*7B Connector End View
Pin Assignments At Plug Connector A173*7B
| Pin | Type | Description /Signal type | Connection /Measuring information |
|---|---|---|---|
| 1 | A | Power supply, terminal 30F | Heating/air conditioning system |
| 2 | A | Locator lighting | Heating/air conditioning system |
| 3 | -- | Not used | |
| 4 | M | Ground | Heating/air conditioning system |
| 5 | E | Signal Shift paddles | Steering column switch cluster |
| 6 | M | Ground | Steering column switch cluster |
| 7 | A | Power supply, terminal 30F | Steering column switch cluster |
| 8 | E/A | LIN bus signal | Steering column switch cluster |
| 9 | E/A | LIN bus signal | Steering column switch cluster |
| 10 | M | Ground | Steering column switch cluster |
| 11 | M | Ground | Electric steering lock |
| 12 | A | Supply, terminal 30 | Electric steering lock |
| 13 | E/A | LIN bus signal | Electric steering lock |
| 14 | M | Ground | Electric steering lock |
| 15 | M | Ground | Glove compartment light switch |
| 16 | -- | Not used | |
| 17 | -- | Not used | |
| 18 | -- | Not used | |
| 19 | -- | Not used | |
| 20 | -- | Not used | |
| 21 | E/A | LIN bus signal | Heating/air conditioning system |
| 22 | A | Signal, outside temperature | Instrument cluster control unit |
| 23 | A | Signal, outside temperature | Instrument cluster control unit |
| 24 | M | Ground | Instrument cluster control unit |
| 25 | M | Ground | Instrument cluster control unit |
| 26 | A | Wake-up signal, terminal 15 | Instrument cluster control unit |
| 27 | E | Signal, central arrest button | Operating unit, hazard warning switch, central locking button |
| 28 | A | Locator lighting | Operating unit, hazard warning switch, central locking button |
| 29 | M | Ground | Operating unit, hazard warning switch, central locking button |
| 30 | A | LED activation | Operating unit, hazard warning switch, central locking button |
| 31 | E | Switch signal, hazard warning light switch | Operating unit, hazard warning switch, central locking button |
| 32 | M | Ground | Head-Up Display |
| 33 | E/A | K-CAN bus | Heating/air conditioning system earlier production |
| 34 | E/A | K-CAN bus | Heating/air conditioning system earlier production |
| 35 | E/A | PT-CAN bus signal | Instrument cluster control unit |
| 36 | E/A | PT-CAN bus signal | Instrument cluster control unit |
| 37 | A | Power supply, terminal 30F | Control panel, driver assistance systems |
| 38 | E/A | LIN bus signal | Control panel, driver assistance systems |
| 39 | M | Ground | Control panel, driver assistance systems |
| 40 | A | Power supply, terminal 30F | Light switch unit |
| 41 | E/A | LIN bus signal | Light switch unit |
| 42 | M | Ground | Light switch unit |
| 43 | E | Engine start signal | START-STOP button |
| 44 | A | LED activation | START-STOP button |
| 45 | E | Signal START-STOP button | START-STOP button |
| 46 | M | Ground | START-STOP button |
| 47 | A | LED activation | START-STOP button |
| 48 | -- | Not used | |
| 49 | E | Signal START-STOP button | START-STOP button |
| 50 | M | Ground | START-STOP button |
| 51 | E | Signal Hotel position switch | Hotel position switch |
| 52 | M | Ground | Hotel position switch |
| 53 | E | Aerial signal, comfort access | Ring aerial |
| 54 | E | Aerial signal, comfort access | Ring aerial |