Pin Arrangements:
Control modules in front part of vehicle
Pin Arrangements:
52-pin connector -T52 B- white-B-
1 - Fuse 38 (on fuse panel C) -SC38- , Central Locking System
2 - Windshield washer pump -V5-
3 - Not used
4 - Not used
5 - Not used
6 - Not used
7 - Not used
8 - Not used
9 - Not used
10 - Not used
11 - Rear lid unlock motor -V139-
12 - Power Supply Relay 2 (terminal 15) -J681-
13 - Not used
14 - Not used
15 - Instrument panel and switch illumination dimmer switch -E20-
16 - Not used
17 - Not used
18 - Not used
19 - Not used
20 - Not used
21 - Front seat heating control module -J774-
22 - Rear Window Defogger Relay -J9-
23 - Not used
24 - Emergency flasher button -E229-
25 - Not used
26 - Not used
27 - Not used
28 - Load Reduction Relay -J59-
29 - Voltage supply relay, terminal 50 -J682-
30 - Instrument panel and switch illumination dimmer switch -E20-
31 - Not used
32 - Not used
33 - Wiper Motor Control Module -J400- Rain/light recognition sensor -G397- , LIN-Bus
34 - Not used
35 - Not used
36 - Alarm Horn -H12- , Vehicle inclination sensor -G384- , Interior monitoring transceiver module 2 -G305- , Interior monitoring transceiver module 1 -G303- , LIN-Bus
37 - Interior monitoring and vehicle inclination deactivation button -E616- , Interior monitoring -off- indicator lamp -K162-
38 - Fuel pump control module -J538- , Fuel primer relay -J643-
39 - Not used
40 - Headlamp Washer Relay -J39-
41 - Dual tone horn relay -J4-
42 - Fuse 24 (on fuse panel C) -SC24-
43 - Positive connection 1 (30g) inside the main wiring harness -B559-
44 - Not used
45 - Not used
46 - Not used
47 - Not used
48 - Not used
49 - Not used
50 - Left front footwell illumination bulb -L151- , Right front footwell illumination bulb -L152- , Left rear footwell illumination bulb -L106- , Right rear footwell illumination bulb -L107-
51 - Connection 1 (58d) (in main wiring harness) -B340-
52 - Ground connection 1 (in main wiring harness) -366-
Pin Arrangements:
52-pin connector -T52 C- brown-C-
1 - Fuse 17 (on fuse panel C) -SC17- , Alarm Horn USA Only
2 - Alarm Horn -H12- , USA
3 - Right tail lamp bulb -M2- , Right rear side marker lamp bulb -M38-
4 - Left brake lamp bulb -M9-
5 - Ground connection 1 (in main wiring harness) -366-
6 - Not used
7 - Emergency lamp switch -E3-
8 - Not used
9 - Not used
10 - Front interior lamp -W1- , Interior monitoring and vehicle inclination deactivation button -E616-
11 - Not used
12 - Not used
13 - Steering Column Electronic Systems Control Module -J527- , Ignition/starter switch -D- , Terminal S
14 - Positive connection (50) (in main wiring harness) -B276- , Steering Column Electronic Systems Control Module -J527-
15 - Data Bus On Board Diagnostic Interface -J533- , Comfort system CAN bus high connection 1 (in main wiring harness) -B397-
16 - Data Bus On Board Diagnostic Interface -J533- ,Comfort system CAN bus low connection 1 (in main wiring harness) -B406-
17 - Brake lamp switch -F-
18 - Not used
19 - Not used
20 - Not used
21 - Not used
22 - Not used
23 - Not used
24 - Not used
25 - Right front fog lamp bulb -L23-
26 - Left side marker lamp bulb -M1- , Left front side marker lamp bulb -M33-
27 - License plate lamp -X-
28 - Right back-up lamp bulb -M17-
29 - Not used
30 - Direct Shift Gearbox (DSG) Mechatronic -J743- Interlock, Ground connection 24 (in main wiring harness) -389- Manual Transmission
31 - Steering Column Electronic Systems Control Module -J527- , item 15
32 - Generator -C- , item 61
33 - Not used
34 - Positive connection (50) (in instrument panel wiring harness) -A41- , item 50 diagnosis
35 - Instrument panel and switch illumination dimmer switch -E20-
36 - Not used
37 - Not used
38 - Not used
39 - Not used
40 - Not used
41 - Not used
42 - Fuse 16 (on fuse panel B) -SB16-
43 - Not used
44 - Not used
45 - Not used
46 - Right high beam headlamp bulb -M32-
47 - Left rear fog lamp bulb -L46-
48 - Left low beam headlamp reflector motor -V294-
49 - Right low beam headlamp reflector motor -V295-
50 - Right front turn signal bulb -M7-
51 - Left rear turn signal bulb -M6-
52 - Right low beam headlamp bulb -M31-