BMW 1992 525i Electrical Troubleshooting Manual page 178

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ELECTRONIC THROTTLE CONTROL {EML, 6-CYLINDER)
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( 0
N
Pin
Type Description/Function
Connection "JYpe of Signal Tester Display
Measurement Notes
18
E
P and N identifier (EGS)
Transmission range switch approx. 12 V (ON)
approx. 0 V (OFF)
19 E/A
Cruise control switch signal
Cruise control switch
OV. .. 5V
20 E
Brake pedal signal
Brake light switch approx. 12
V
(ON)
approx. 0 V (OFF)
21
E
PWG 9
o
switch
Pedal position sensor approx. 5 V (ON)
22 E
Throttle 1 yo switch
EML actuator approx. 5 V (ON)
23 A
Electronic ground
Component ground Ground
24 E Injection signal ti
DME control unit Square wave signal
25 E Terminal 30
+
DME- relay approx. on-board voltage
26 E
Clutch pedal signal Clutch switch approx. 0 V
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1\)
27
A Kick-down signal
EGS control unit approx. 0 V (ON)
.....
0
.
approx. 12 V (OFF) 0
I
28
A
Full load signal DME control unit approx. 0 V
CT
29 E
Engine speed signal (TD) DME control unit Square wave signal
30
Not used
31 E
S-program identification
EGS control unit approx.
OV
32
A 5 V (not short circuit proof)
Pedal position sensor/ approx. 5 V
EML actuator
33 E A/C compressor ON
Pressure switch approx. 12 V (ON)
34
E Decrease throttle position
ABS/ASC-control unit Square wave signal
angle (DKR)
35
E Increase throttle position
ABS/ASC-control unit Square wave signal
angle (DKE)
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(D
(0
N
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