Pin | Type | Description/Function | Connection
|
1 | E | Left footwell temperature | Left footwell sensor
|
2 | E | Right footwell temperature | Right footwell sensor
|
3 | E | Right heat exchanger temperature | Right heat exchanger sensor
|
4 | E | Outside temperature | Outside temperature sensor
|
5 | E | Terminal 15 | Fuse
|
6 | M | Ground | Ground connection
|
7 | E | Signal, rear window defogger ON | Rear window defogger switch
|
8 | A | Signal, rear window defogger ON | Rear window defogger relay
|
9 | A | Function light, rear window defogger | Rear window defogger switch
|
10 | E | Left heat exchanger temperature | Left heat exchanger sensor
|
11 | A | Activation, right water valve | Right water valve
|
12 | A | Signal, auxiliary water pump | Relay, auxiliary water pump
|
13 | E | Lights, terminal 58 g | Dimmer
|
14 | M | Ground | Ground connection
|
15 | A | Activation, left water valve | Left water valve
|
16 | E | Tacho/speed signal | DME control unit/DDE control unit
|
17 | M | 518i/t, 520i/t: not used 525td/t, 525tds/t: Ground | Ground connection
|
18 | | not used |
|