Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2020 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE
System Block Diagram
Detect and estimate the following by loading images of the driver using an infrared camera.
| Driver monitoring system detection item | Vehicle operation | |
|---|---|---|
| Estimate unsafe behaviors of the driver, and inform the driver and the fellow passenger. | Closed eyes drowsiness | Dozing drowsiness alarm |
| Audio mute | ||
| Inattention detection | Inattention alarm (DMS alone) | |
| Inattention alarm (EyeSight linkage) | ||
| Recognize individual persons and automatically change to usual settings. | Personal recognition | Seat personalize |
| Combination meter personalize | ||
| Mirror personalize | ||
| Cockpit control module personalize | ||
| A/C personalize | ||
| Main CPU | High-performance processor that processes personal recognition, inattention detection and dozing detection according to the input image from camera |
| Sub CPU | Processor that controls send/receive of CAN data |
| CAN transceiver | IC that provides physical IF between the CAN bus |
| CAMERA MODULE | Module that takes and outputs images to Main CPU as 12 bit data in the driver monitor unit |
| LED | Expose the infrared light based on the timing signal from the camera module |
| Thermistor | Measure temperature inside the driver monitor unit |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.