Circuit/System Description
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
For an overview of the component/system, refer to: Power Windows Description and Operation
| Circuit | Description |
|---|---|
| Control - Up @ M74 Window Motor | The output circuit is switched from ground to 12 V to activate the component. |
| Control - Down @ M74 Window Motor | The output circuit is switched from ground to 12 V to activate the component. |
| Component | Description |
|---|---|
| S146 Window/Outside Rearview Mirror Switch - Driver | The S146 sends a serial data message to the K9 indicating the M74 function that has been requested. |
| M74 Window Motor | The motor M74 is a bidirectional DC motor that moves the component: Front Power Windows & Rear Power Windows |
| S79 Window Switch | The switch has a normally open contact. |
| K9 Body Control Module | The module controls various vehicle functions like lighting, central door locking, power windows, etc. |