T-Cross Current Flow Diagram No.

5 / 1

Reducing agent metering system , DGTD n AG. Volkswagen AG do

wage es n
From December 2018 Volks ot g
d by ua
ran
ir se tee
tho
u or
a ac
ss

ce
e
nl

pt
du

an
itte

y li
erm

ab
ility
ot p

wit
, is n

h re
hole

spec
es, in part or in w

t to the co
rrectness of i
l purpos

nform
mercia

at
om

ion
c

in t
or

his
ate

do
priv

cum
for

en
ng

t.
yi Co
Cop py
t. rig
gh ht
pyri by
Vo
co lksw
by
cted agen
Prote AG.

04.2019
T-Cross Current Flow Diagram No. 5 / 2
SC Relay for reducing agent metering system, Fuse holder B,
SB
*
Fuse holder C
*2
en AG. V
olkswagen AG J963 Relay for reducing agent metering system
SB2 SC49 J963 SC21 lkswag does
not SB Fuse holder B
Vo gu
y SB2 Fuse 2 on fuse holder B
edb ara
is nte
2A hor eo SC Fuse holder C
KL87a
aut ra SC21 Fuse 21 on fuse holder C
49A 73 71 72 s 75 21A c
KL30a KL30a KL87a CTRL s KL87 KL30a SC49 Fuse 49 on fuse holder C

ce
le
un

pt
an
d
D207 Connection 7 (87a), in engine compartment wiring harness

itte

y li
rm

ab
* see applicable current flow diagram for fuses in interior

pe

ility
ot
*2 see applicable current flow diagram for fuses in engine

wit
, is n
compartment

h re
hole

spec
0.35 0.5 0.35 0.35 1.5 2.5

es, in part or in w

t to the co
rt/ge rt/ws rt/ge vi/ws rt/ge rt/ge

rrectness of i
l purpos

nform
ercia

33 24 15
33 24 15
m

a
com

tion in
r
te o

thi
D207

s
iva

do
r
rp

cum
fo

en
ng

i t.
py Co
t. Co py
rig
h ht
rig by
copy Vo
by lksw
cted agen
Prote AG.

ws = white
sw = black
ro = red
rt = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
vi = purple
ge = yellow
1 2 3 4 5 6 7 8 9 10 11 12 13 14 or = orange
C11-005020419 rs = pink

04.2019
 T-Cross Current Flow Diagram No. 5 / 3
Delivery unit for reducing agent metering system, Engine/
motor control unit, Control unit for reducing agent heater,
J623 Heater for reducing agent line (heater circuit 2)
11 *3
11
GX19 Delivery unit for reducing agent metering system
T94a T94a T94a T94a T94a T94a T94a T94a G685 Temperature sender for reducing agent
/12 /28 /11 /27 /16 /46 9 /72 /93
SIG CTRL SIG CTRL GND SIG 9 SIG CTRL G697 Reducing agent level sender
2.5 G849 Reducing agent quality sensor
rt/ge J623 Engine/motor control unit
0.35
br
J891 Control unit for reducing agent heater
T2ei 2-pin connector, black
T4ac 4-pin connector, black
H4 277 T4bd 4-pin connector, black
n AG. Volkswagen AG do
lks wage es n T5h 5-pin connector, black
o ot g
byV ua T5r 5-pin connector, colourless
d ran
ris
e
tee T94a 94-pin connector, black
2.5 2.5 0.35 0.35 0.35 0.35 0.35 o 1.5
u th or V437 Pump for reducing agent
rt/ge rt/ge rt/ws rt/vi rt/bl rt/gn abr rt/ge ac
ss V561 Reducing agent return flow pump

ce
Z102 Heater for reducing agent tank (heater circuit 1)
le
un

pt
Z104 Heater for reducing agent line (heater circuit 2)

an
d
itte

y li
erm

ab
277 Earth connection 3, in interior wiring harness

ility
ot p

T5r T5r T4ac T4ac T4ac T4ac

wit
is n

/3 /5 /1 /2 /3 /4
J891 KL30a KL30a SIG CTRL SIG CTRL

h re
366 Earth connection 1, in main wiring harness
ole,

spec
A145 H3
urposes, in part or in wh

t to the co
T5r
/1
T5r
/4
730 Earth point 1, on right rear wheel housing
VS VS

A145 Positive connection 4 (15), in dash panel wiring harness

rrectne
366 H3 Connection 1 in wiring harness for reducing agent tank

ss o
cial p

f inform
H4 Connection 2 in wiring harness for reducing agent tank
mer

atio
m

* Pre-wired component
o

1.0 1.0 2.5 1.5 1.5 0.35 0.35 0.5 0.5 0.5 0.5 0.5

n
c

*2 Heater for reducing agent line can comprise multiple sections

i
or

n
rt br br br rt/sw br rt/gr rt/ge br rt/ge rt/ge br/ge

thi
*3 see applicable current flow diagram for engine
te

sd
iva

o
ws = white
pr

cum
r
fo

sw = black

en
ng

t.
T5h T5h T5h T5h op
yi
T5h T4bd T4bd T4bd T4bd ro
Co = red
/1 /2 /4 /5 /3 /2 /1 /4 /3 rt = red
py
T2ei T2ei
C
GX19
. rig
GND VS GND SIG
ht KL87 SIG KL87 KL87 CTRL
/2 /1 rig br
ht
= brown
Z104 VS GND py by
gn = green
co Vo
lksw
* cted
by
M M bl = blue
agen
*2 Prote AG.
Z102 G685 G697 G849 V437 V561 gr = grey
li = purple
730
vi = purple
ge = yellow
15 16 17 18 19 20 21 22 23 24 25 26 27 28 or = orange
C11-005030419 rs = pink

04.2019
 T-Cross Current Flow Diagram No. 5 / 4
Engine/motor control unit, Injector for reducing agent
J623 Engine/motor control unit
J623
*2
N474 Injector for reducing agent
T2dd 2-pin connector, brown
T60a T60a T94a
T14d 14-pin connector, grey
/18 /3 /25 T14f 14-pin connector, grey
VS GND CTRL
T60a 60-pin connector, black
T94a 94-pin connector, black
TMOVO1Coupling point 1 for engine prewiring harness
* Pre-wired component
*2 see applicable current flow diagram for engine
AG. Volkswagen AG d
agen oes
olksw not
byV gu
ara
ed
0.75 0.75 0.35 ris nte
ho eo
rt/gn br/gn vi/ws
aut ra
ss c

ce
le
un

pt
an
d
itte

y li
rm

ab
pe

ility
ot

wit
, is n

h re
T14d T14d

hole
TMOVO1 /1 /2

spec
es, in part or in w
8
8

t to the co
T14f T14f
/1 /2

rrectness of i
l purpos

nform
mercia

a
com

ti
0.5 0.5

on in
ge bl

r
te o

thi
s
iva

do
r
rp

cum
fo
ws = white

en
ng
sw = black
i t.
py Co
ro = red Co py
t. rig
rt = red
h ht
T2dd T2dd rig by
py
/1 /2 br = brown co Vo
N474
lksw
VS GND cted
by
gn = green
agen
* Prote AG.
bl = blue
gr = grey
li = purple
vi = purple
ge = yellow
29 30 31 32 33 34 35 36 37 38 39 40 41 42 or = orange
C11-005040419 rs = pink

04.2019