LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2008 >> CL550 >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Entertainment, Lighting & Navigation -- Cl550 -- 216 Chassis >> Basic Knowledge >> Washer nozzles/washer nozzle hose heater, function - GF82.35-P-3003LE

Washer nozzles/washer nozzle hose heater, function - GF82.35-P-3003LE

MODEL 216.3, 221.0 /1 as of model year 09/YoM 08 

Function requirements, general 

Washer nozzle/washer nozzle hose heater, general 

The washer nozzle heater and the washer nozzle hose heater (with code (875) Heated windshield washer system) prevent the washer fluid in the washer nozzle and in the washer nozzle hose from freezing.

Function sequence for washer nozzle/washer nozzle hose heater 

The outside temperature indicator temperature sensor (B14) determines the outside temperature. The information is read in by the front SAM control unit with fuse and relay module (N10/1).

At an outside temperature of T < 5°C, the washer nozzle heater (R2/1) and the washer nozzle hose heater (R2/11) (with code (875) Heated windshield washer system) 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 by the front SAM control unit.

REFER TO SYSTEM WIRING DIAGRAMS Electrical function diagram for washer nozzle/washer nozzle hose heater Model 216 PE82.35-P-2052-97CAA
Model 221 PE82.35-P-2052-97SAA
  Front SAM control unit with fuse and relay module, component description N10/1 GF54.21-P-6070LE
  Component description for the EZS control unit N73 GF80.57-P-6003LE