Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 611
DME 7.8 DME 7.80 · Work instruction Display OK
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DME 7.8 DME 7.80
Work instruction Display OK If not OK
3 Check wiring from PSM ♦Remove PSM control module Battery voltage. Repair wiring har-
control module to stop connector ness
light switch 2 for short cir- → End. ♦Measure voltage between Pin 37
cuit to B+ and ground
♦Switch on the ignition.
♦Actuate brake 0 V
→ End.
0-84.1 page 2 9436 P0571
p0571 Printed in Germany – 6, 2002
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