Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 379
DME 7.8 DME 7.8 0 · 0-41P0237
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DME 7.8 DME 7.8 0
0-41P0237
353 Pressure Sensor - Below Limit
Diagnosis conditions
• Ignition on
Possible fault cause
♦Short circuit to ground
♦Pressure sensor faulty
Affected terminals
III/39
Diagnosis/Troubleshooting
Work instruction Display OK If not OK
1 Check wiring from pres- ♦Connect special tool 9637 to ∞ Ω
sure sensor to DME con- wiring harness (DME control
trol module for short to module plug).
ground. ♦Remove connector from pres-
sure sensor.
♦Measure resistance between
special tool 9637 pin III/39 and
ground.
2 Replace pressure sensor.
2190 P0237 0-41 page 1
Printed in Germany – 3, 2001 p0237
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