Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 777
DME 7.8 DME 7.8 0 · 0-122.4P1141
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DME 7.8 DME 7.8 0
0-122.4P1141
Throttle Position Sensor 2 – Below Limit
Diagnosis conditions
• Engine running
Possible fault cause
♦Short circuit in wiring
♦Throttle position sensor faulty
♦DME control module faulty
Affected terminals
Terminal I/7, I/9, III/8, III/10 and III/25
Diagnosis/Troubleshooting
Work instruction Display OK If not OK
1 Check voltage supply to ♦Connect special tool 9637. See Figure 1. Step 5.
throttle motor actuator ♦Connect motor tester (oscillo-
scope) to Pin I/7 and Pin I/9
♦Use special input
♦Switch on the ignition.
♦Fully depress accelerator pedal See Figure 2
Step 2
2442 P1141 0-122.4 page 1
Printed in Germany – 6, 2002 p1141
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