BMW 1992 525i Electrical Troubleshooting Manual page 192

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ELECTRONIC TRANSMISSION CONTROL (EGS 4HP-22)
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Pin Assignments
X8500
Pin
"TYpe
Description/Function Connection Type
ot
Signal
1 A Plus supply, solenoid valves,
Gear shift unit Active high
pressure regulators and shift lock
solenoid
2 E Kick-down EML control unit (with EML) Active low
Kick-down switch (without EML)
3 Not used
4 EtA EML control unit signal EML control unit Active low
5
M
Ground, control unit Ground
6 A Ground, program button Program button/throttle switch
7 E
Throttle signal
Throttle switch Analog
8 E Output speed n-ab ( +) Gearshift unit
9 A Voltage supply, Throttle switch
throttle potentiometer
10 E
A-program signal
Program button Active low
11
E Fuel consumption display
OME control unit
(tl signal)
12 EtA
TxD
13 E RxD
(
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Tester Display Measurement Notes
Component activation
This supply Is switched off
during mechanical emer-
gency program, i.e. trans-
mission relay in control
unit deenergizes.
Status display
Status display Only In GS 1.26/1.'Zl
Status display According to pedal position
Status display
OK (
+ )
only without
EML
Status display Only In GS 1.26/1.'Zl
Status display
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0
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0
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co
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