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.
2003 Porsche Boxster (986) F6-2.7LFACTORY OEM SERVICE PROCEDURE
Navigation System
Navigation Unit Connector Pin Assignment:
1 - Terminal 31
2 - Terminal 30
3 - Speed signal
4 - Reverse-gear signal
5 - Data lead from the display and operator control unit
6 - Free
7 - Data lead to the display and operator control unit
8 - Video signal, red
9 - Video signal, green
10 - Video signal, blue
11 - Free
12 - Free
13 - Voice output ground
14 - Terminal 30
15 - Free
16 - Free
17 - Free
18 - Free
19 - Terminal 58 d
20 - Free
21 - Free
22 - Video signal ground
23 - Video signal synchronization
24 - Free
25 - Free
26 - Voice output
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.