Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 177
DME 7.8 DME 7.8 0 · Diagnosis/troubleshooting
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DME 7.8 DME 7.8 0
Diagnosis/troubleshooting
Note!
The wiring for the solenoid hydraulic valve is routed via the connector X 59/1 pin 11
Work instruction Display OK If not OK
1 Check triggering wire for ♦Connect special tool 9637 to 0 V Repair wiring har-
short circuit to B+ wiring harness (DME control ness
module plug).
♦Remove connector on the sole-
noid hydraulic valve
♦Switch on the ignition.
♦Measure voltage between III/26
and ground
3755 P0028 0-8.10 page 3
Printed in Germany – 8, 2002 p0028
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