BMW 1992 525i Electrical Troubleshooting Manual page 193

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ELECTRONIC TRANSMISSION CONTROL (EGS 4HP-22)
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N
Pin
1\'pe Description/Function
Connection 1\'pe of Signal Tester Display Measurement Notes
14 A Program signal
Instrument cluster Status display
15 EIA
M-program signal
Program button, instrument Status display
cluster
16
A Solenoid valve 1
Gearshift unit Active low
Component activation
17 A
Solenoid valve, pressure regulation
Gearshift unit Current control Component activation
18 E
Position switch L 1
Selector lever Active high Status display
19
M Ground, control unit
Ground
20
A Lifting solenoid, shift-lock
Shift-lock solenoid Active low Component activation Only In GS 1.22/E7
regulation
21
E Engine speed n-mot (TR signal)
DME control unit Status display
22
A Solenoid valve 2
Gearshift unit Active low Component activation
1\)
~
23
A
Shield speed sensor Ground
m
0
.
24 A Engine intervention
DME control unit Active low Component activation
0
I
D"
25 A
Solenoid valve, torque converter Gearshift unit Active low Component activation
clutch
26 E
Brake test switch signal Brake light switch Active high Only In GS 1.22, 1.27
27 E
Output speed n-ab(-) Gearshift unit Status display
28 E
Position switch l2 Selector lever Active high Status display
29 E Position switch
l.3
Selector lever Active high Status display
30
E Position switch L4 Selector lever Active high Status display
31 A
Brake test switch Brake light switch
32 E
Set throttle signal
EML control unit Pulse width Status display Correspond to accelerator
modulated pedal position
33 A
Fault display
Check control module (A4) Active high
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U)
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N