Front Electronic Module A173*2B Connector End View
Pin Assignments At Plug Connector A173*2B
| Pin | Type | Description /Signal type | Connection /Measuring information |
|---|---|---|---|
| 1 | A | Engine start signal | Digital Motor Electronics Digital diesel electronics |
| 2 | A | Activation Horn, low range | Horn, low range |
| 3 | A | Activation Horn, high range | Horn, high range |
| 4 | A | Actuation, magnetic clutch | A/C compressor |
| 5 | -- | Not used | |
| 6 | A | Actuation, control valve | A/C compressor |
| 7 | -- | Not used | |
| 8 | -- | Not used | |
| 9 | -- | Not used | |
| 10 | E | Signal Coolant level sensor | Coolant level sensor |
| 11 | E/A | LIN bus signal | Bus connection |
| 12 | A | Activation, relay, terminal 15N | Integrated supply module Petrol engine |
| 13 | A | Wake-up signal, terminal 15 | Connector, terminal 15 wake-up signal |
| 14 | A | Activation Water valve | Water valve |
| 15 | -- | Not used | |
| 16 | -- | Not used | |
| 17 | -- | Not used | |
| 18 | E/A | PT-CAN bus signal | Bus connection |
| 19 | E/A | PT-CAN bus signal | Bus connection |
| 20 | E/A | K-CAN2 bus | Body CAN2 bus connection |
| 21 | E/A | K-CAN2 bus | Body CAN2 bus connection |
| 22 | A | Activation Windscreen wiper | Windscreen wiper |
| 23 | A | Activation Windscreen wiper | Windscreen wiper |
| 24 | A | Activation Washer pump for headlight washer system | Washer pump for headlight washer system |
| 25 | A | Activation, low beam light | Right headlight |
| 26 | A | Activation, high beam headlight | Left headlight |
| 27 | -- | Not used | |
| 28 | -- | Not used | |
| 29 | -- | Not used | |
| 30 | E | Door contact signal | Driver's door lock |
| 31 | E | Door contact signal | Front passenger-door lock |
| 32 | E | Signal, rear lid central arrest | Rear lid button on inside of rear lid |
| 33 | E | Signal, outside temperature | Outside temperature sensor |
| 34 | E | Signal, outside temperature | Outside temperature sensor |
| 35 | A | Activation Auxiliary water pump | Auxiliary water pump |
| 36 | E | Signal, reset contact | Windscreen wiper |
| 37 | E | Switch signal | Rear lid button, interior |
| 38 | E | Door contact signal | Door lock, rear driver's side |
| 39 | E | Door contact signal | Door lock, rear passenger's side |
| 40 | E | Contact lock signal | Bonnet contact switch |
| 41 | A | Locator lighting | Connector 58g |
| 42 | A | Activation, interior light | Roof function centre |