Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 645
DME 7.8 DME 7.8 0 · 0-96P0713
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DME 7.8 DME 7.8 0
0-96P0713
Transmission Oil Temperature - Above Limit
Diagnosis conditions
• Idle speed
Possible fault cause
♦Temperature sensor faulty
♦Wiring harness
♦DME control module faulty
Affected terminals
Terminal II/23 and IV/11
Resistance values
60 2.8 -3.5 kΩ
°C
90 1.0 -1.3 kΩ
°C
120 0.4 -0.6 kΩ
°C
Diagnosis/Troubleshooting
Work instruction Display OK If not OK
1 Check temperature sen- ♦Connect special tool 9637 to 2.8 - 3.5 kΩ Replace tempera-
sor. wiring harness (DME control (at 60 °C) ture sensor
module plug). Step 2 → End
♦Measure resistance between Pin
II/23 and Pin IV/11
2 Check wiring from DME ♦Connect special tool 9637 to 0 V Repair wiring har-
control module to temper- wiring harness (DME control Step 3. ness
ature sensor for short to module plug). → End.
B+ ♦Remove plug connection of tem-
perature sensor
♦Switch on the ignition.
♦Measure voltage between pin IV/
11 and ground.
3478 P0713 0-96 page 1
Printed in Germany – 6, 2002 p0713
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