Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 1123
DME 7.8 DME 7.8 0 · 0-201.4P2089
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DME 7.8 DME 7.8 0
0-201.4P2089
Inlet camshaft output stage - above limit
Diagnosis conditions
• Engine running
Possible fault cause
♦Triggering wire short to B+
Affected terminals
V/7
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 on the sole-
noid hydraulic valve
♦Switch on the ignition
♦Measure voltage between V/7
and ground
1536 P2089 0-201.4 page 1
Printed in Germany – 8, 2002 p2089
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