Circuit/System Description
WARNING: This page is about a different variant/trim than selected.
For an overview of the component/system, refer to: Exhaust Aftertreatment System Description
| Circuit | Description |
|---|---|
| 5 V Reference | Regulated voltage supplied by the control module. |
| Signal | The control module input circuit has an internal resistance connected to 5 V. |
| Low Reference | Grounded through the control module. |
| Component | Description |
|---|---|
| B194 Reductant Pressure Sensor | B194 is part of the component: A38 Reductant Pump and Sensor Assembly The sensor is a capacitive pressure transducer. Electronics in the sensor convert pressure into an analog voltage signal. |
| K115 Reductant Control Module | The control module controls the heating and dosing of the reductant. |