PORSCHE Diagnostic and Repair Information ,Wiring Diagrams. DTC. TSB. Types: TSB, DTC, Wiring Diagrams, OEM Procedures. Trusted by more than 400,000 technicians. OEM accurate fix for faster repairs. Repair Procedures and Labor Times. Factory Auto Repair info. Request A Demo Today. Factory-Correct Diagrams. Factory Part Numbers. Maintenance Schedules. Repair Procedures. Labor Times. Types: TSB, DTC.
1 Check voltage supply to throttle motor actuator.
1. Connect special tool 9637.
2. Connect engine tester (oscilloscope) to pin III/42 (positive) and pin III/43 (negative).
Use special input.
3. Switch on the ignition.
The signal shown in the diagram opposite should appear:
4. Fully depress accelerator pedal.
The signal shown in the diagram opposite should appear: