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:OnStar Description and Operation
| Circuit | Description |
|---|---|
| Signal | The control module input circuit has an internal resistance connected to 10 V. |
| Low Reference | Grounded through the control module. |
| Component | Description |
|---|---|
| B24LF Mobile Telephone Microphone - Left Front | The microphone converts an acoustic signal into an electrical signal. The signal of the microphone is passed on to the radio. |
| K73 Telematics Communication Interface Control Module | The control module connects the vehicle with the cellular telephone network. It receives user input via the radio controls and uses the radio speakers to play audio during calls. |