Solenoid valve 1, 2, 3, soft top (647a, b, c): Connection
WARNING: This page is about a different car, the 2011 Saab 9-3 and 2010 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
CONNECTOR PIN DESCRIPTION
| Pin No. | Signal type | Description |
|---|---|---|
| 1 | Control voltage | The STC control module activates each valve by feeding pin 1 with B+ |
| 2 | Ground | All the valves are grounded through pin 25 on the STC control module |
The valve is grounded on pin 2 and is activated by the STC control module putting B+ on pin 1.
Every valve has three connections.
- Oil pump output pressure
- Oil pressure to the hydraulic cylinder
- Oil return to the reservoir
The valves have two positions: "Active" and "Inactive".
When a valve is active the pump output is connected to the cylinder. When a valve is inactive the pump output is connected to the return line to the reservoir.
Diagram