GF82.10-P-3002QB Low-Beams Actuation, Function

GF82.10-P-3002QB Low-Beams Actuation, Function
- with CODE (614) Bi-xenon headlamp unit
- with CODE (615) Bi-xenon headlamp unit with integrated curve illumination

Component Identification:

Function requirements:
^ Circuit 15R ON
^ Rotary light switch (S1s1) in "Driving lamps ON" position

Function
The position of the rotary light switch (S1s1) in the light switch module (S1) is read in voltage-coded by the front SAM control unit with fuse and relay module (N10/1) via a discrete line. Via discrete line, the front SAM control unit with fuse and relay module (N10/1) actuates the following lamps:
^ Left standing and parking lamp (E1e3)
^ Right standing and parking lamp (E2e3)
^ Left front side-marker lamp (United States of America) (E6/1)
^ Right front side-marker lamp (United States of America) (E6/2)

The actual driving lights are actuated by the front SAM control unit with fuse and relay module (N10/1) but not discretely. The status "circuit 56b ON" is transmitted discretely to the lamp unit in a manner similar to that for conventional halogen headlamps. Within the corresponding lamp unit, the status "circuit 56b ON" is received by the xenon control unit. The xenon control unit ignites the bi-xenon lamp with the aid of the ignition module. At the same time as the front illumination is actuated, the front SAM control unit with fuse and relay module (N10/1) forwards the corresponding message via the Controller Area Network bus class B (interior) (CAN-B) to the rear SAM control unit with fuse and relay module (N10/2).

Via a discrete line, the rear SAM control unit with fuse and relay module (N10/2) actuates the following lamps:
^ Taillamp and left parking lamp (E3e2)
^ Left front fog lamp and taillamp (E3e5)
^ Taillamp and right parking lamp (E4e2)
^ Right rear fog lamp and taillamp (E4e5)
^ Left rear side-marker lamp (United States of America) (E6/3)
^ Right rear right rear side-marker lamp (United States of America) (E6/4)

The message "Driving lamps ON" on the CAN-B is read in by the EIS control unit (N73) and transmitted to the Controller Area Network bus class C (engine compartment) (CAN-C). The headlamp range adjustment control unit (N71) receives the message and as a function of the input variables (e.g. vehicle level, speed, positive and negative acceleration values) controls the headlamp range adjustment function.

The adjustment request is forwarded via a discrete line to the xenon headlamp control unit (E1n1) and the xenon headlamp control unit (E2n1). For regulating the lamp range, the xenon headlamp control unit (E1n1) actuates the left headlamp range adjustment motor (E1m1) accordingly. In the same way, the xenon headlamp control unit (E2n1) actuates the right headlamp range adjustment motor (E2m1) accordingly.