BCM (J519)

Links => 73-pin connector - T73a
Mitte =>  46-pin connector -T46b
Rechts => 73-pin connector - T73c

73-pin connector T73a

1 - Input (30) - front seat heating supply
2 - Output for heated driver seat -Z6- , Heated driver seat backrest -Z7-
3 - Output for tank filler flap locking motor -V155-
4 - Output for tank filler flap locking motor -V155-
5 - Output for heated front passenger seat -Z8- , Heated front passenger seat backrest -Z9-
6 - Output for central locking motor in rear right door, lock -V215- , motor for SAFE function of central locking in rear right door -V164-
7 - Output for motor for central locking system in right rear door, Lock -V215- (on vehicles with Low comfort system)
- Output for motor 2 for luggage compartment cover -V474- (on vehicles with High comfort system)
8 -
9 - Output for central locking motor in rear lid -V53-
10 -
11 -
12 - Input - terminal 31
13 - Output for terminal 15 voltage supply relay -J329-
14 - Output for - terminal 15
15 - LIN bus interior monitoring sensor -G273- , vehicle inclination sender -G384-
16 - CAN H, convenience
17 - CAN L, convenience
18 -
19 -
20 -
21 -
22 -
23 -
24 -
25 -
26 -
27 -
28 -
29 - Input of fog light and rear fog light switch -E23-
30 -
31 - Input of interior button for central locking driver's side -E308-
32 - Input of rear lid handle release button -E234-
33 - Input of central locking lock unit, rear right -F223-
34 -
35 - Input of central locking lock unit, rear left -F222-
36 - Output for motor for SAFE function of central locking in rear left door -V163-
37 - Output for motor for SAFE function of central locking in rear right door -V164-
38 -
39 -
40 -
41 -
42 - LIN bus - Fan 1 for front left backrest -V512- , Fan 1 for front left seat cushion -V514- , Fan 1 for front right backrest -V516- , Fan 1 for front right seat cushion
-V518-
43 - Input of light switch -E1- terminal 58
44 - Input of steering column electronics control unit -J527- - terminal 15 (for vehicles without entry and start authorisation)
- Input of interface for entry and start system -J965- terminal 15 (for vehicles with entry and start authorisation)
45 -
46 - Input of light switch -E1- terminal TFL
47 - Input of steering column electronics control unit -J527- - terminal 15 (for vehicles without entry and start authorisation)
- Input of interface for entry and start system -J965- terminal 15 (for vehicles with entry and start authorisation)
48 - Input of door contact switch, rear right -F11-
49 - Input of rear lid remote release switch -E188-
50 - Input of door contact switch, rear left -F10-
51 - Input of deactivation button of interior monitoring and vehicle inclination -E616-
52 - Input of rear lid lock unit -F256- terminal 31
53 - Input of rear lid lock unit -F256- terminal 31
54 - Input of steering column electronics control unit -J527- - terminal 86s (for vehicles without entry and start authorisation)
- Input of interface for entry and start system -J965- terminal 86s (for vehicles with entry and start authorisation)
55 -
56 -
57 - Output for bulb for high level brake light -M25-
58 -
59 - Output for number plate light, left -X4- , number plate light, right -X5-
60 - Output for turn signal bulb, rear left -M6-
61 - Output for rear window wiper motor -V12-
62 - Output for rear window wiper motor -V12-
63 - Input - terminal 31
64 - Output for reversing light bulb, right -M17-
65 - Output for tail light bulb, right -M2-
66 - Input (30) - light supply
67 -
68 - Output for central locking motor in rear left door, lock -V214- , motor for SAFE function of central locking in rear left door -V163-
69 - Output for motor for central locking system in left rear door, Lock -V214- (on vehicles with Low comfort system)
- Output for motor 1 for luggage compartment cover -V473- (on vehicles with High comfort system)
70 -
71 - Output for brake light bulb, left -M9-
72 - Output for rear fog light bulb, left -L46-
73 - Input - terminal 30

46-pin connector T46b

1 - Output for dipped beam bulb, right -M31-
2 - Output for main beam bulb, right -M32- , control unit for left light control -J1018-
3 - Output for side light bulb, left -M1-
4 - Output for daytime driving light bulb, left -L174- , fog light bulb, right -L23- , static cornering light, right -M52-
5 - Output for fog light bulb, right -L23-
6 - Output for headlight range control motor, left -V48- , headlight range control motor, right -V49- terminal 31
7 - Output for windscreen and rear window washer pump -V59-
8 - Output for windscreen and rear window washer pump -V59-
9 - Output for heating resistance for injection nozzle, left -Z20- , heating resistance for injection nozzle, right -Z21-
10 - Output for side light bulb, left -M1- , fog light bulb, left -L22- , static cornering light, left -M51-
11 - Input of reversing light switch -F4-
12 - Input of brake lining/pad wear sender, front right -G35-
13 - Input of brake fluid level warning contact -F34-
14 - Input of bonnet contact switch -F266- , bonnet contact switch 2 -F329-
15 -
16 - Input of coolant shortage indicator sender -G32-
17 -
18 -
19 - Output for sender earth - terminal 31
20 - Output for turn signal bulb, front right -M7-
21 - Output for side light bulb, right -M3- , fog light bulb, right -L23- , static cornering light, right -M52-
22 -
23 - Output for cornering light and headlight range control, control unit -J745-
24 - Output for horn relay -J413-
25 -
26 - Output for heated windscreen relay -J47-
27 - Input of ambient temperature sensor -G17-
28 - Input of windscreen washer fluid level sender -G33-
29 -
30 - LIN bus - wiper motor control unit -J400-
31 - LIN Bus - signal horn for anti-theft alarm system -H8-
32 - Output for daytime driving light bulb, right -L175- , fog light bulb, left -L22- , static cornering light, left -M51-
33 - Output for headlight range control motor, left -V48- , headlight range control motor, right -V49-
34 -
35 - Output for side light bulb, right -M3-
36 - Output for turn signal bulb, front left -M5-
37 -
38 -
39 - Output for main beam bulb, left -M30- , control unit for right light control -J1023-
40 -
41 -
42 -
43 -
44 - Output for headlight range control motor, left -V48- , headlight range control motor, right -V49- supply
45 - Output for fog light bulb, left -L22-
46 - Output for headlight washer system pump -V11- 

73-pin connector T73c

1 - Input (30) - light supply
2 -
3 Video input of rear view camera (Low)
4 -
5 - Output for dipped beam bulb, left -M29-
6 -
7 -
8 - Output for brake light bulb, right -M10-
9 -
10 - Output for tail light bulb, left -M4-
11 - Output for reversing light bulb, left -M16- , Automatic anti-dazzle interior mirror -Y7-
12 - Output for interior light - terminal 30g
13 -
14 - Input of interface for entry and start authorisation -J965- (wake up wire)
15 - Input of light switch -E1- terminal 56
16 - Input of light switch -E1- (AFL)
17 -
18 -
19 -
20 -
21 - Output for Warning light for operational profile selection -K280-
22 -
23 -
24 - Output for heated rear window relay -J9-
25 -
26 -
27 -
28 - Input of humidity sender -G355- , air humidity, rain and light detector sensor -G823-
29 - LIN bus Light for front left door contour lighting -L251- , Light for front right door contour lighting -L252- , Light for rear left door contour lighting -L253- , Light for
rear right door contour lighting -L254-
30 -
31 - Output for turn signal bulb, rear right -M8-
32 - Output for deactivation warning light of interior monitoring and vehicle inclination -K248-
33 -
34 - Input of exterior mirror heating button -E735-
35 -
36 -
37 -
38 -
39 -
40 - Input of temperature sensor for front passenger seat -G60-
41 -
42 - Input of hazard warning lights button -E229-
43 - Input of temperature sensor for driver seat -G59-
44 -
45 - Input of off-road mode switch -E207-
46 - Output for heated front seat control unit -J786-
47 - Output for control light for interior locking warning light, driver side -K174-
48 - Output for hazard warning light system warning light -K6- , bulb for button illumination -L76-
49 -
50 - Output for off-road mode warning light -K330-
51 - Output for start/stop operation warning light -K259-
52 -
53 -
54 -
55 -
56 - Output for sender earth - terminal 31
57 -
58 - Input of brake light switch -F-
59 -
60 - Input of start/stop operation button -E693-
61 -
62 - Output - terminal 58d
63 - Input - terminal 31
64 -
65 -
66 -
67 - Output for interior light (Klemme 58d), Deactivation button of interior monitoring and vehicle inclination -E616- - Terminal 31 (door contact switch)
68 -
69 -
70 -
71 -
72 - Output for left footwell light -W9- , right footwell light -W10- , rear left footwell light -W45- , rear right footwell light -W46-
73 - Input - terminal 30