Porsche 928 - WORKSHOP MANUAL 1977 Workshop Manual page 156

928
Wheels, Tires. Atienment
44
Fault!Fault code Possible causes
Remedy/Remarks
ABS speed sensor
front right
Fault code - 8 -
- proceed as for fault code - 5 - for all faults.
Connector assignment:
ABS control unit 55-pole PIN 53
ABS control unk 35- pole PIN 23
Tire pressure warning system contrd unit PIN 28
RDK control light
Combi instrument
Fault code - 9 -
- Open circuit 1
Short to ground
- In the case of discontinuity, ground fault or short circuit, check
the line from PIN 3 of the tire pressure warning system control
unit connector to PIN 6 of instrument cluster connector 1
Short to B +
Data lead
RDK combi instrument
Fault code - 18 -
- Open circuit
- Check the data line from PIN 1 of the tire pressure warning sys-
tem control unit connector to PIN 10 of instrument cluster con-
nector
2
a
Tire pressure warning system (RDK) diagnosis
44 - 309
Printed in Germany - XXV. 1990