BMW 1992 525i Electrical Troubleshooting Manual page 205

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IBSI
ELECTRONIC TRANSMISSION CONTROL (EGS A4S 310R)
..... .....
cc
N
Pin
"TYPe
Description/Function
Connection Type of Signal
Tester Display
Measurement Notes
36 A Torque converter clutch
Transmission gear shift unit
solenoid control
39
E
Brake pedal status Brake light test switch
40
A Pressure regulator Transmission gear shift unit
solenoid control ( +)
41 A Pressure regulator
Transmission gear shift unit
solenoid control (-)
42 Not used
43
A
Solenoid 2 control (
+) Transmission gear shift unit
44 Not USf:ld
45 A Band solenoid control ( + ) Transmission gear shift unit
1\)
~
46 Not used
0)
C)
.
47 Not used
1\)
I
48 A Solenoid 1 control ( +) Transmission gear shift unit
n
49
Not used
50 Not used
51 Not used
52 Not used
53 Not used
54
A
Solenoid ground Transmission gear shift unit
55 E Thro«te position signal
DME control unit Pulse width
modulated