Vehicle Electrical System Control Module -J519- Connector Views

54-pin connector -T54c- (A)/73-pin connector -T73a- (B)/73-pin connector -T73b- (C)

Courtesy of AUDI OF AMERICA, LLC

T54c (A)	Designation
1
2	Right front footwell lamp K269
3	Left front footwell lamp K268
4
5
6
7
8
9
10
11	Terminal 31
12
13
14
15
16
17
18
19	Front Parking Aid Warning Buzzer H22
20	Front Parking Aid Warning Buzzer H22
21
22
23
24
25
26
27	Valet Parking Lock Button E536
28
29
30	Light Switch E1 (LIN-Bus)
31	Emergency Flasher Button E229
32
33	Valet Parking Lock Button E536
34
35
36
37	Terminal 58
38
39	Glove Compartment Light W6
40
41
42
43
44
45
46
47
48	Emergency Flasher Button E229
49
50	Light Switch E1 (LIN-Bus)
51	Control unit 1 for driving and convenience functions E791 (LIN-Bus)
52
53	Left front footwell lamp K268 (LIN-Bus)
54

173a (B)	Designation
1	12 V Socket U5 12 V Socket 2 U18 12 V Socket 3 U19 12 V Socket 4 U20 12 V Socket 5 U26
2	Terminal 30
3
4
5
6
7	Terminal 15
8	A/C Compressor Regulator Valve N280
9
10
11	Left front footwell lamp K268 Right front footwell lamp K269
12	Terminal 30
13	Engine Coolant (EC) Switch-Off Valve N82
14
15
16	A/C Compressor Regulator Valve N280
17
18
19	Terminal 15
20	Left Front Brake Pad Wear Sensor G34 Right Rear Brake Pad Wear Sensor G37
21	Brake Fluid Level Warning Switch F34
22	Wiper Motor Control Module J400 (LIN-Bus)
23	Rain/Light Recognition Sensor G397 (LIN-Bus)
24	B549 LIN-Bus Connection 2 (in main wiring harness)
25	B712 LIN-Bus Connection 7 (in main wiring harness)
26
27	B711 LIN bus connection 6 (in main wiring harness) (door storage compartment illumination)
28	Front footwell lights, ambient illumination (LIN-Bus)
29
30	Hood contact switch 2 F329
31	Engine hood contact switch F266
32	Terminal 58
33	Access/start authorization button E408
34	Terminal 58
35	Rear Parking Aid Warning Buzzer H15
36	Ambient Illumination
37
38	A/C Compressor Regulator Valve N280
39
40	Terminal 31
41	Left Headlamp Beam Adjustment Motor V48 Right Headlamp Beam Adjustment Motor V49
42	CAN-Bus, vehicle electrical system control module, Low
43	CAN-Bus, vehicle electrical system control module, High
44	Windshield Washer Fluid Level Sensor G33
45	Engine Coolant Level (ECL) Sensor G32
46	Outside Air Temperature Sensor G17
47
48
49
50
51
52
53	Rear Parking Aid Warning Buzzer H15
54
55	Left Headlamp Beam Adjustment Motor V48 Right Headlamp Beam Adjustment Motor V49
56
57	Left Front Side Marker Lamp M33
58	Left LED Parking Lamp/DRL Module L176
59	Front footwell lights, ambient illumination, entry lights, door contour illumination, door storage compartment illumination
60	Right LED Parking Lamp/DRL Module L177
61	Left Headlamp Beam Adjustment Motor V48 Right Headlamp Beam Adjustment Motor V49
62
63	Terminal 31
64	Left High Intensity Gas Discharge (HID) Lamp L13 or Left LED headlamp power output module 1 A31
65	Left Cornering Lamp (stationary) M51 or Left LED headlamp power output module 1 A31
66	Terminal 30
67	Right LED Parking Lamp/DRL Module L177 or Right light control module J1023
68
69	Left Front Turn Signal Lamp M5
70	Left Low Beam Reflector Motor V294
71
72	Driver Vanity Mirror Lamp Contact Switch F147 Front Passenger Vanity Mirror Lamp Contact Switch F148 Front Passenger's Illuminated Make-up Mirror W14 Driver's Illuminated Make-up Mirror Light W20
73	Terminal 30

T73b (C)	Designation
1	Terminal 30
2	Headlamp Washer Pump V11
3	Windshield Washer Pump V5 Rear Window Wiper Motor V12
4	Windshield Washer Pump V5 Rear Window Wiper Motor V12
5	High Tone Horn H2 Low Tone Horn H7
6	Right Low Beam Reflector Motor V295
7
8
9	Left Washer Nozzle Heater Z20 Right Washer Nozzle Heater Z21
10	Right front seat heated backrest Z117
11	Right front seat heating element Z46
12	Terminal 30
13
14
15
16	Right Front Parking Aid Sensor G252 Right Front Center Parking Aid Sensor G253 Left Front Center Parking Aid Sensor G254 Left Front Parking Aid Sensor G255
17	Left Rear Parking Aid Sensor G203 Left Rear Center Parking Aid Sensor G204 Right Rear Center Parking Aid Sensor G205 Right Rear Parking Aid Sensor G206
18	Left Front Parking Aid Sensor G255
19	Right Front Parking Aid Sensor G252 Right Front Center Parking Aid Sensor G253 Left Front Center Parking Aid Sensor G254 Left Front Parking Aid Sensor G255 Left Front Parallel Parking Assistance Sensor, left model side G568 Right Front Parallel Parking Assistance Sensor, right model sid G569
20	Left Rear Parking Aid Sensor G203 Left Rear Center Parking Aid Sensor G204 Right Rear Center Parking Aid Sensor G205 Right Rear Parking Aid Sensor G206 Left rear parallel parking assistance sensor G716 Right rear parallel parking assistance sensor G717
21	Right Front Parking Aid Sensor G252
22	Right Front Center Parking Aid Sensor G253
23	Left Front Seat Temperature Sensor G344
24
25
26	Right Front Seat Temperature Sensor G345
27
28
29
30
31
32	Right Front Side Marker Lamp M34
33
34
35
36
37
38
39
40	Comfort System CAN-Bus High
41	Comfort System CAN-Bus Low
42	CAN-Bus, vehicle electrical system control module, High
43	CAN-Bus, vehicle electrical system control module, Low
44
45
46
47
48	Left Front Center Parking Aid Sensor G254
49
50	Right Front Parallel Parking Assistance Sensor, right model side G569
51	Left Front Parallel Parking Assistance Sensor, left model side G568
52	Right Rear Parking Aid Sensor G206
53	Left Rear Parking Aid Sensor G203
54
55	Right Rear Center Parking Aid Sensor G205
56	Left Rear Center Parking Aid Sensor G204
57	Right rear parallel parking assistance sensor G717
58	Left rear parallel parking assistance sensor G716
59
60
61
62
63	Terminal 31
64	Right High Intensity Gas Discharge (HID) Lamp L14 or Right LED headlamp power output module 1 A27
65	Right Cornering Lamp (stationary) M52 or Right LED headlamp power output module 1 A27
66	Terminal 30
67	Left LED Parking Lamp/DRL Module L176 or Left light control module J1018
68	Right Front Turn Signal Lamp M7
69
70
71	Front Left Heated Seat Z45
72	Left front seat heated backrest Z116
73	Terminal 30