Pin | Type | Description/Function | Connection
|
1 | E | Terminal 30 | Fuse
|
2 | A | Signal, independent heating | Independent heating relay
|
3 | E | Signal, independent heating | On-board computer
|
4 | E | Signal, independent ventilation | On-board computer
|
5 | | not used |
|
6 | A | Signal, ventilation flap | IHKA operating switch
|
7 | E | Signal, independent ventilation, flap position | IHKA operating switch
|
8 | E | Signal, independent heating, flap position | IHKA operating switch
|
9 | E | Terminal 61 | Unloader relay
|
10 | M | Ground | Ground connection
|
11 | E | Terminal R | Fuse F1
|
12 | A | Activation, control unit/stop valve | Independent heating/ventilation control unit/ stop valve
|