Circuit/System Description
WARNING: This page is about a different car, the 2021 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
For an overview of the component/system, refer to: Electronic Component Description
| Circuit | Description |
|---|---|
| Ignition | Supplied from a fuse. |
| Control | The output circuit is switched to ground to activate the component. |
| Component | Description |
|---|---|
| K20 Engine Control Module | The control module contains a microprocessor used to process input data to control outputs. |
| B280 Automatic Transmission Accumulator Solenoid Valve | A solenoid valve is an electro-mechanically operated valve. The valve is controlled by an electric current through the solenoid. B280 is part of the component: Automatic Transmission Auxiliary Fluid Accumulator |
The solenoid valve directs pressurized fluid to exit the accumulator to apply the clutches for a 1st gear start, during an Auto Start event.