Brief component description: Notes
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The rain/light sensor is bonded to the inside of the windscreen in the wiper range of the windscreen wiper.
Fig 1: Identifying Rain Sensor Optical Element, Photosensor For Ambient Brightness And Frontal Light
| Item | Explanation |
|---|---|
| 1 | Photosensor to pick up the ambient brightness |
| 2 | Optical element of the rain sensor |
| 3 | Photosensor to pick up the frontal light |
This installation location ensures that the sensor surface remains free of dirt and ice. To prevent the sensor surface from fogging over, the sensor is heated.
The rain/light sensor is supplied with voltage by the junction box via terminal 30g. The rain/light sensor is connected via the LIN bus with the junction box electronics.
| Item | Explanation |
|---|---|
| 1 | Engine control unit |
| 2 | Windscreen wiper motor |
| 3 | Pump for the headlight cleaning system |
| 4 | Windscreen washer pump |
| 5 | RLS rain/light sensor |
| 6 | JBE junction box electronics |
| 7 | Rear wiper motor |
| 8 | SZL steering column switch cluster |