GF82.35-P-3003GM Washer Nozzles/Washer Nozzle Hose Heater, Function

GF82.35-P-3003GM Washer Nozzles/Washer Nozzle Hose Heater, Function

General function requirements
^ Circuit 61 ON

Washer nozzle/washer nozzle hose heater, general
The washer nozzle heater and washer nozzle hose heater prevent the washer fluid from freezing in the washer nozzles and in the washer nozzle hose

Function sequence for washer nozzle/washer nozzle hose heater
The AAC [KLA] control and operating unit (N22) (without code (581) Comfort automatic air conditioning) or the Comfort AAC control and operating unit (N22/7) (with code (581) Comfort automatic air conditioning) records the outside temperature via the outside temperature indicator temperature sensor (B14).

This value is transmitted by the operating and control unit to the front SAM control unit (N10) via the interior CAN.
If the outside temperature is T < 5 °C, the
- Center washer nozzle heater (R2/1)
- Left heated windshield washer nozzle (R2/2)
- Right washer nozzle heater (R2/3)
- Washer nozzle hose heater (R2/11) are switched on by the front SAM control unit.

If the outside temperature increases to T > 8 °C, the washer nozzle heater and the washer nozzle hose heater are switched off immediately by front SAM control unit.