Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 773
DME 7.8 DME 7.8 0 · 0-122.3P1140
Read extracted page text
OCR can contain errors. Check the original page image for exact wording, warnings and specifications.
DME 7.8 DME 7.8 0
0-122.3P1140
Throttle Position Sensor 2 – Above 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 P1140 0-122.3 page 1
Printed in Germany – 6, 2002 p1140
This is a source reference. Confirm exact model applicability in the original material.