Fog/Driving Lamp: Description and Operation
GF82.10-P-3070G Front Fog Light Actuation, Function
MODEL 463.306 /336 /346 up to 31.5.12 as of model year 2011 /YoM 10
MODEL 463.202 /222 /236 /237 up to 31.5.12 as of model year 2009 /YoM 08
MODEL 463.247 /248 /249 /254 up to 31.8.08 as of model year 2007
MODEL 463.270 /271 /303 /340 /341 up to 31.5.12 as of model year 2007
1 Front fog lamp request
2 Front fog lamp actuation
3 Rear fog lamp request
4 Rear fog lamp actuation
E3/1 Rear fog lamp
E5/1 Left front fog lamp
E5/2 Right fog lamp
N10/1 Front signal acquisition and actuation module (SAM)
N10/2 Rear signal acquisition and actuation module (SAM)
N28/1 Trailer recognition control unit (with code (Q55) Trailer hitch with reinforced low ball head)
S1s1 Exterior lamp switch
X58 Trailer hitch socket, 13-pin (with code (Q55) Trailer hitch with reinforced low ball head)
B Interior CAN
General front fog lamp actuation function sequence
Front fog light actuation consists of the following subfunctions:
^ Front fog lamp actuation
^ Rear fog lights actuation
Front fog lamp actuation
Function requirements
^ Circuit 30 ON
^ Rotary light switch in standing lights or low beams position and pulled out to the 1st detent stage.
Front fog lamp actuation function sequence
The position of the rotary light switch is read in directly by the front SAM.
The front SAM actuates the following components:
^ Left front fog lamp and right front fog lamp
Rear fog lights actuation
Function requirements
^ Circuit 30 ON
^ Rotary light switch in standing lights or low beams position and pulled out to the 2nd detent stage.
Rear fog light actuation function sequence
The position of the rotary light switch is read in directly by the front SAM. The front SAM sends the switch-on request via the interior CAN (CAN B) to the rear SAM and to the trailer recognition control unit.
The rear SAM then actuates the rear fog lamp on the driver side.
The trailer recognition control unit actuates the trailer's rear fog lamp via the trailer hitch socket (13-pin).
During trailer operation the rear fog lamps on the vehicle are not actuated.
