GF82.15-P-0002B | Function of headlamp cleaning system (HCS) | 9.12.96 |
MODEL 208, 210.081 /281,
210 (except 210.081 /281) as of 1.3.97 with CODE (600a) Headlamp cleaning system
P82.15-0237-04
Interlinkage
K40/2 Driver-side fuse and relay module
K40/2k5 HCS pump relay
M5/2 Headlamp washer pump
N10/1 Driver-side signal acquisition and actuation module (SAM)
S4/1 HCS switch
Function prerequisites: Circuit 15 switched on.
The headlamp cleaning system is activated by switch (S4/1), which switches a ground signal to the signal acquisition and actuation module when pressed. The driver-side signal acquisition and actuation module (N10/1) then actuates the HCS pump relay (K40/2k5) for approx. 1 s switching on the headlamp washer pump (M5/2). The pump builds up pressure in the washing water
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line. The telescopic nozzles extend and spray water on the headlamp lenses. As the pressure decreases the telescopic nozzles return to the retracted position. Pressing the switch (S4/1) continuously or repeatedly while the headlamp cleaning system is in operation does not start another washing operation.
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