Windshield defroster, function - GF82.25-P-0008S
MODEL 220
Function prerequisites
- Engine running (speed > 500 rpm)
If applicable it is necessary to activate this function (SA) of the special vehicle multifunction control module (SVMCM) (N26/9) with the STAR diagnosis tool.
This releases the following inputs/outputs on the control module:
- Windshield defroster switch (S14/1) with integrated LED
- Windshield defroster relay module (K13/2) with connected load, windshield defroster (R22/2)
The windshield defroster can be switched on by pressing the button once and switched off by pressing the button again. The heating mode is time-controlled.
Display of function status on LED
The LED integrated into the switch is directly actuated by the special vehicle multifunction control module (SVMCM) (N26/9).
The following functions are possible:
| Heater | LED |
|---|---|
| ON | comes on |
| ON + power too low | flashes (1.5 Hz) |
| OFF | does not come on |
Time-controlled heating mode
The heat duration depends on the vehicle speed.
| Speed (km/h) | Time (min) |
|---|---|
| 0 | 6 |
| 60 | 7 |
| 80 | 9 |
| 100 | 11 |
| Special vehicle multifunction control module (SVMCM), location/purpose/design/function | GF82.25-P-4102S |