BMW 1992 525i Electrical Troubleshooting Manual page 417

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INTEGRATED CLIMATE REGULATION WITH FILTER (IHKR/F3)
..... .....
co
1\)
Pin
l'fpe Description/Function Connection
1\'pe of Signal
Tester Display Measurement Notes
3
Not used
4
Not used
5
Not used
6 A Footwall, flap motor activation Footwall flap motor Frequency 0% to 100% approx. 11 V when motor
(square-wave OFF
voltage)
7
A Footwall, flap motor activation Footwall flap motor Frequency
0% to 100%
approx. 11 V when motor
(square-wave OFF
voltage)
8 A Footwall, flap motor activation Footwelf 11ap motor Frequency O%to 100% approx. 11 V when motor
(square-wave OFF
voltage)
en
~
9 A Footwall, flap motor activation Footwall flap motor Frequency 0% to 100%
approx. 11 V when motor
U1
0
.
(square-wave
OFF U1
I
voltage) CD
10 A Fresh air flap motor activation Fresh air flap motor Frequency 0% to 100%
approx. 11 V when motor
(square-wave OFF
voltage}
11 A Fresh air flap motor activation
Fresh air flap motor
Frequency
0% to 100% approx. 11 V when motor
(square-wave
OFF
voltage)
12
A
Fresh air flap motor activation Fresh air flap motor Frequency 0% to 100% approx. 11 V when motor
(square-wave
OFF
voltage}
13 A
Fresh air flap motor activation Fresh air flap motor Frequency 0% to 100%
approx. 11 V when motor
{square-wave
OFF
voltage}
14
A
Plus for control wheels In Control switch approx. 5 V
....
control switch
(0
co
1\)