Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 621
DME 7.8 DME 7.8 0 · 0-88.1P0607
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DME 7.8 DME 7.8 0
0-88.1P0607
Control Module Faulty (Computer Monitoring: Reset) –
Signal Implausible
Diagnosis conditions
• Ignition on
Possible fault cause
♦Undervoltage
♦DME control module faulty
This fault may be entered if the control module has been operated
with undervoltage.
Affected terminals
I/1
Diagnosis/Troubleshooting
Note!
If no fault is present, erase the fault memory.
Work instruction Display OK If not OK
1 Check voltage supply, ter- ♦Measure voltage between pin I/ > 11 V
minal 15 1 and ground. Step 2
2 Replace DME control module. Step 3.
3 Perform adaptation. ♦Switch on the ignition. → End. → End.
♦Wait one minute.
♦Do not press the accelerator.
♦Switch off the ignition for at
least 10 seconds.
♦Read out the fault memory.
2470 P0607 0-88.1 page 1
Printed in Germany – 6, 2002 p0607
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