Porsche 928 Workshop Manual page 1262

39
Differential,
trsnsaxle system
926
Connector pin assignment for control unit (PSDIABS)
1 - Voltage, terminal 15
2 - Operation of ABS rear-axle solenoid
valve
IO - Speed sensor output at rear light for
RDK
(tire pressure monitoring system) control
unit
11 - Vottage, terminal 30
3 - Ground, ABS solenoid valve, front tight
4 - K wire from diagnosis
5 - Operation of pump motor relay on hydrau-
lit unit
6 - Free
12*- Speed sensor output at rear lefl for
RDK
control unit"
13 - Free
14 - Free
7 - Operation of valve relay on hydraulic unit
8 - Free
15 - Voitage supply (+5V) for acceleration sen-
sor
16*- Speed sensor output at front right for
RDK
control untt'
9 - Ground of acceleration sensor
l
additionally for vehicle speed.
PIN 16 (fmnt lefl) on mod. 199111992. PIN 12 (rear lefl) as of
mod. 1993.
D39 - 224 PSD
diagnosis/Troubleshooting
Printed in Germany XXXV. 1886
a