Circuit/System Description
WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 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 Drive Mode Description and Operation (GMC)
| Circuit | Description |
|---|---|
| 5 V Reference | Regulated voltage supplied by the control module. |
| Signal | The control module input circuit has an internal resistance connected to ground. |
| Ground | Chassis Ground |
| Component | Description |
|---|---|
| K20 Engine Control Module | The control module contains a microprocessor used to process input data to control outputs. |
| S126 Drive Mode Select Switch | The switch S126 has an internal resistor ladder network. A specific resistance is generated dependent on the position of the switch. |