Washer nozzles/washer nozzle hose heater, function With code (875) Heated windshield washer system - GF82.35-P-3003RC
MODEL 171.4 as of model year 09/YoM 08 model refinement package with CODE (875) Heated windshield washer system
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 driver-side SAM control unit with fuse and relay module (N10/1) registers the outside temperature via the outside temperature display temperature sensor (B14). At an outside temperature of T < 5 °C, the left washer nozzle heater (R2/2), the right washer nozzle heater (R2/3) and the washer nozzle hose heater (R2/11) are switched on by the driverside 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 by the driver-side SAM control unit.