Installing a microwave sensor and glass closer. — Toyota Celica, 2.0 liter, 1995

The plans are to connect the finishing of the hatch, but so far the scheme of this stray is being developed ...

It's a motion sensor. Look in Yandex for detailed information.

What is a microwave sensor?

Yes, in parallel with the shock sensor. This signaling did not yet have separate inputs for sensors.

How did you connect it? Powered up the shock sensor?

Vuruchay has the same Saturn 2 sensor, you need a pinout of 4 of its inputs where there is a plus where there is a minus where is the external where is the internal ...
Lights
out I found the treasured picture of the socket with wires)))