Porsche 928 Workshop Manual page 587

Plug Connections LH
928 S4
928 GT
Data code
Pump relay XX 85
(XXVI)
LH-Jetronic relay XXV 85
Display (check)
CO poti (without CATI
Family curve corr. (with CATI
Oxygen sensor
Load signal to EZK 9
Tank venting valve
Data code
Code for oxygen family curve
Automatic idle speed drop
Consumption output
Idle speed control
Intake pipe resonance flap
Power supply terminal 15
EZK relay XVI 87
OtXlO
-
'89
I-
-El
-la
I-J
lo
--si
' I<
--I
-3
Im
I-
-Sl
--El
I-
IO3
%I
-Ki
lo
I
19
-%I ,
-%I
r=
-31
I2
I2
--I
I'j
2 I -
I$
-2
' Isr?
-Sl
Ir
--cm
r-31 12
'90 -
C
Speed from EZK 13
- Throttle valve switch
Idle speed
C
Throttle valve switch
Full load
C
Perm. ~0s. term. 30
C
Electronic ground MP IX
o- Ground from LH 2
C Voltage from iH 3
-
HLM burn-off
C
Voltage from XXV 87
- Diagnosis (K-lead)
from diagn. corm. 10
C
NTC II
C
AC compressor
C
Diagnosis (L-lead)
C
Ground MP VIII
-c
Fuel injectors ti