Circuit/System Description
For an overview of the component/system, refer to Brake Assist System Description and Operation
| 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. |
| Low Reference | Grounded through the control module. |
| Component | Description |
|---|---|
| B19B Brake Booster Vacuum Sensor | The sensor is a capacitive pressure transducer. Electronics in the sensor convert pressure into an analog voltage signal. |
| K20 Engine Control Module | The electronic brake control module detects a malfunction and sends a serial data message to the instrument cluster requesting illumination of the brake warning indicator. |