Audi Q3 Current Flow Diagram No.
100 / 1
Emergency call module , (NZ2),(NZ4)
From July 2019
09.2019
Audi Q3 Current Flow Diagram No. 100 / 2
Emergency call module control unit and communication
* unit, Roof aerial, Emergency call module aerial 2
SC J949
J949 Emergency call module control unit and communication unit
SC8 R50 GPS aerial
8A T36a T36a T36a T36a T2vc T2vc T4aa T4aa T4aa T4aa R216 Roof aerial
/12 /25 /7 /30 /1 /2 /3 /4 /1 /2 R263 Emergency call module aerial
VS VS GND GND ANT (S) ANT (S) SIG (S)
R322 Emergency call module aerial 2, behind rear bumper on right
SC Fuse holder C
SC8 Fuse 8 on fuse holder C
T2by 2-pin connector, purple
T2bz 2-pin connector, blue
T2kc 2-pin connector, purple
T2vc 2-pin connector, pink
T4aa 4-pin connector, pink
0.35 0.35 0.35 0.35 0.35 0.50 0.50 0.50
gr/vi gr/vi gr/vi br br sw sw sw T36a 36-pin connector
47 Earth point, in front right footwell
279 Earth connection 5, in interior wiring harness
425 Earth connection 2, in right rear end wiring harness
489
Earth connection (screening 1), in radio-navigation system wiring
489
harness
B325 279
675 Earth point 2, on right in luggage compartment
1.0
br
B325 Positive connection 11 (30a) in main wiring harness
425
* see applicable current flow diagram for fuse assignment
0.75 0.50 1.0
br sw br
ws = white
sw = black
ro = red
T2kc T2kc T2by T2by T2bz T2bz rt = red
/1 /2 /1 /2 /1 /2 br = brown
ANT (S) ANT (S) SIG (S)
gn = green
R263 R50 bl = blue
gr = grey
R322 R216 li = purple
47 675
vi = purple
ge = yellow
1 2 3 4 5 6 7 8 9 10 11 12 13 14 or = orange
F3B-100020919 rs = pink
09.2019
Audi Q3 Current Flow Diagram No. 100 / 3
Airbag control unit, Data bus diagnostic interface, Control
unit 1 for information electronics, Emergency call module
J949 control unit and communication unit, Loudspeaker for
emergency call module
T36a T36a T36a T36a T36a T36a T36a T36a T36a T36a T36a T36a
/21 /22 /32 /8 /9 /16 /15 /31 /23 /24 /6 /5 J234 Airbag control unit
SIG+ SIG- SIG SIG+ SIG- SIG+ SIG- SIG SIG+ SIG- CAN-H CAN-L J533 Data bus diagnostic interface
J794 Control unit 1 for information electronics
J949 Emergency call module control unit and communication unit
R335 Loudspeaker for emergency call module
T2aw 2-pin connector, black
T12e 12-pin connector, blue
T20a 20-pin connector, black
T36a 36-pin connector
0.35 0.35 0.13 0.35 0.35 0.35 0.35 0.35 0.35 0.35 T90a 90-pin connector, yellow
ws br/ws ge/ws bl gn sw/ge gr/rt gr/ws gn or/br
Connection 2 (convenience CAN bus, high), in main wiring
B398
harness
Connection 1 (convenience CAN bus, low), in main wiring
B406
harness
B637 Connection 1 (airbag), in main wiring harness
B637 B398 B406
0.35 0.35 0.35
sw/ge gn or/br
ws = white
sw = black
ro = red
T12e T12e T12e T12e T12e T12e T12e T90a T2aw T2aw T20a T20a rt = red
/4 /10 /5 /8 /2 /1 /7 /8 /2 /1 /15 /5 br = brown
SIG+ SIG- SIG SIG+ SIG- SIG+ SIG- CRASH SIG+ SIG- CAN-H CAN-L
gn = green
bl = blue
gr = grey
J794 J234 R335 J533 li = purple
vi = purple
ge = yellow
15 16 17 18 19 20 21 22 23 24 25 26 27 28 or = orange
F3B-100030919 rs = pink
09.2019
Audi Q3 Current Flow Diagram No. 100 / 4
Emergency call module control unit and communication
unit, Front roof module
J949
E275 Breakdown assistance call button
E276 Emergency assistance call button
T36a T36a T36a T36a T36a T36a T36a T36a T36a T36a J528 Roof electronics control unit
/13 /14 /26 /27 /28 /29 /18 /17 /19 /20 J949 Emergency call module control unit and communication unit
SIG GND KL58d SIG SIG SIG SIG- SIG+ SIG- SIG+
R140 Front left microphone
R141 Front right microphone
T4gk 4-pin connector, grey
T4gl 4-pin connector, blue
T16a 16-pin connector, brown
T36a 36-pin connector
0.35 WX3 Front roof module
* *
bl * For right-hand drive models
0.13 0.13 0.35 0.13 0.13 0.13 0.35 0.35 0.35
ws/bl br/bl ws/vi ge/rt ws/br ge/br *2 gn *2 gn
* *2 bl *2 *2 For left-hand drive models
*
39 38
39 38
42 36
42 36
*
0.35
bl *
ws = white
sw = black
ro = red
T16a T16a T16a T16a T16a T16a T4gk T4gk T4gl T4gl rt = red
/14 /15 /16 /8 /7 /2 /1 /4 /1 /4 br = brown
SIG GND KL58d SIG SIG SIG SIG- SIG+ SIG- SIG+
gn = green
E275 J528 E276 R140 R141 bl = blue
gr = grey
WX3 li = purple
vi = purple
ge = yellow
29 30 31 32 33 34 35 36 37 38 39 40 41 42 or = orange
F3B-100040919 rs = pink
09.2019
