Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 1071
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 wiring from DME ♦Connect special tool 9637 to 0 V Repair wiring har-
control module, Pin IV/8, wiring harness (DME control ⇒ Step 2 ness
to pedal sensor, Pin 2, for module plug) → End
short circuit to B+ ♦Switch on the ignition
♦Measure voltage between spe-
cial tool Pin IV/8 and ground
2 Replace pedal sensor → End → End
2078 P1577 0-192 page 3
Printed in Germany, 2000 p1577
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