Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Porsche Boxster (986) F6-2.7LFACTORY OEM SERVICE PROCEDURE
Transmission Control Systems: Diagrams
Transmission Connector (Wiring Harness Side):
Transmission Connector (Component Side):
Pin Designation
1 Output shaft speed sensor (ground)
2 Pressure regulator 1, modulation pressure (ground)
3 Pressure regulator 2 for gears 2/3/5 (ground)
4 Solenoid valve 3 for traction downshift 5-4 (ground)
5 Turbine speed sensor (voltage/signal wire)
6 Turbine speed sensor (ground)
7 Pressure regulator 3 for gears R/N/1/2 (ground)
8 Solenoid valve 1 for gears R/N/1/2/5 (ground)
9 Solenoid valve 2 for gears N/1/2/3 (ground)
10 Output shaft speed sensor (voltage/signal wire)
11 Pressure regulator 4 for torque converter lockup clutch control (ground)
12 Pressure regulator/solenoid valve power supply
13 ATF temperature sensor (signal wire)
14 ATF temperature sensor (analog ground)
16 Pressure regulator/solenoid valve power supply
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.