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.
Control unit plugs, 25-, 35-, 55-, 83-, 88-pin
Special tools required:
- 61 0 312
- 61 0 314
- 61 0 315
- 61 0 323
Unscrew the screws (1).
Lever out pin sensor (2) with gasket (3) in arrow direction.
Remove gasket (3).
Pull out housing lock (4) in arrow direction and unlock.
Press down snap-in hooks (5) of corresponding contact and pull out cable with contact.
Special tool 61 0 312 (61 1 134) for mini flat spring contacts.
Special tool 61 0 314 (61 1 135) for mini flat spring contacts.
Special tool 61 0 315 (61 1 151) for double flat spring contacts (dual snap-in hooks).
Special tool 61 0 323 (61 1 152) for double flat spring contacts (special snap-in hooks).
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.