Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 883
DME 7.8 DME 7.8 0 · Diagnosis/Troubleshooting
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DME 7.8 DME 7.8 0
Diagnosis/Troubleshooting
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 of the sole-
noid hydraulic valve
♦Switch on the ignition
♦Measure voltage between V/8
and ground
1536 P1343 0-153 page 3
Printed in Germany – 2, 2000 p1343
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