BMW Z3 E37 1998 Electrical Troubleshooting Manual page 233

BMW BMW BMW BM
04/99
Z3
Pin Assignments (M Roadster)
X18349 8 Pins, black
X18350 6 Pins, black
X18349
Pin Type Description/Function
1 M Ground
2 A A/C-ON-signal
3 A A/C-ON-signal
4 E Terminal 15
5 A Blower level 1 (air-recirculation)
6 M Ground for function lights
7 E Terminal 15
8 A Activate fresh air-recirculation
X18350
Pin Type Description/Function
1 Not used
2 M Ground
3 E Climate-ON-signal
4 Not used
5 A Activate A/C compressor
6 E Evaporator temperature
E = Input, A = Output, M = Ground
6450.6b a
Connection
Ground point
Evaporator controller
Normal speed relay
Heating blower relay
Blower resistor
Ground point
Heating blower relay
Fresh air-recirculation motor
Connection
Ground point
Air conditioning/recirculated air operating
unit
Pressure switch
Evaporator temperature sensor
1999