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.
Engine Coolant Temperature (ECT) Sensor
Connector Part Information
OEM: 1928403874
Service: 88988963
Description: 2-Way F Kompakt 2.8 Series Sealed (BK)
Terminal Part Information
Terminal/Tray: 1928498054/8
Core/Insulation Crimp: E/1
Release Tool/Test Probe: J-38125-561/J-35616- 4A (PU)
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1 | YE | 410 | ECT Sensor Signal |
| 2 | TN | 2761 | Low Reference |
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.