1 2 3 4 1 231
2 3 5 6 9 8 14 13 11 12 13 14 8 9 7 1 2 3 4 5 6
2 3 4
SCR
ACM 21-PIN CONNECTOR
DPF DOSING UNIT
NOx 1PRESSURE DOC DOC DPF
T outPRESS
AIR
2 13 1 232 13
PRESSDEF TEMP
DEFVLVDEF
HTRDIFF
HTRGEN
T outT inIN OUTNOx 2 T outT in
1234
12 1212121212 12 12
1212
12
120/42
21/16 21/11 21/12 21/14 21/15 21/18 21/10 21/20 21/13 21/19 120/20 120/103 120/102 120/109 120/34 120/8 120/19 120/9 120/6 120/24 120/15 120/18 120/32 120/26 120/5120/121/3 21/5 21/6 21/8 21/9
120/40 120/41 120/43 120/76 120/75 120/78 120/77 120/50 120/52 120/53 120/51 120/117 120/87 120/88 120/72 120/27 120/73 120/97 120/98 120/84 120/85 120/86 120/39 120/16 120/74 120/99 120/22 120/3 120/28120/100120/107 120/108
NOx S
NSR
2 SPL
Y (+
12V)
NOx S
NSR
2 CAN
4-H
NOx S
NSR
2 CAN
4-L
NOx S
NSR
2 GND
SCR
TEMP
IN S
IG
SCR
TEMP
IN G
ND
SCR
TEMP
OUT
GND
NOx S
NSR
1 SPL
Y (+
12V)
DPF
PRES
S SE
NS S
PLY
(+5V
)
DPF
PRES
S IN
SIG
DPF
PRES
S SE
NS G
ND
DPF
PRE
SS O
UT S
IG
DOC
TEMP
OUT
SIG
DOC
TEMP
OUT
GND
DEF/
AIR
PRES
S SP
LY (+
5V)
DEF
PRES
SSIG
DOSI
NG U
NIT A
IR P
RESS
SIG
DEF/
AIR
PRES
S SI
G GN
D
DOSI
NG U
NIT A
IR T
EMP
SIG
DOSI
NG V
ALVE
SPL
Y (+
12V)
DOSI
NG V
ALVE
DIFF
HEA
TER
GEN
HEAT
ER
DOSI
NG U
NIT
GEN
HEAT
CON
T SI
G
DOSI
NG U
NIT A
IR T
EMP
GND
DOC
TEMP
IN S
IG
DPF
TEMP
OUT
SIG
DPF
TEMP
OUT
GND
DOC
TEMP
IN G
ND
NOx S
NSR
1 GND
CAN
4-H
CAN
4-L
IGNI
TION
ACM
POW
ER (+
12)
ACM
GND
ACM
GND
ACM
GND
ACM
GND
ACM
GND
PWT-
CAN1
-HPW
T-CA
N1-L
HF-G
ND 2
HF-G
ND 1
DEF
PUMP
CON
T SI
G
DEF
TANK
COO
L VLV
CON
T SI
G
DEF
TANK
COO
L VLV
SPL
Y (+
12V)
DEF
LINE
HTR
2 CON
T SI
G
DEF
LINE
HTR
3 & 4
SPLY
(+12
V)
DEF
LINE
HTR
3 CON
T SI
G
DEF
LINE
HTR
4 CON
T SI
G
COMP
AIR
VLV
CON
T SI
G
COMP
AIR
VLV
SPL
Y (+
12V)
DEF
TANK
COO
L VLV
CON
T SI
G
DEF
LINE
HTR
1 & 2
SPLY
(+12
V)
DEF
LINE
HTR
1 CON
T SI
G
DEF
TANK
TEM
P / L
VL G
ND
DEF
TANK
TEM
P SI
G
DEF
TANK
LEVE
L SIG
DEF
PUMP
SPL
Y (+
12V)
ACM
POW
ER (+
12)
ACM
POW
ER (+
12)
ACM
POW
ER (+
12)
ACM
POW
ER (+
12)
SCR
TEMP
OUT
SIG
1 21 21 2
MCM
AFTERTREATMENT CONTROL MODULE (ACM)
CPC OEMDEFINED
IGNITION
15 AMP
30 AMP13 19 10 21 201916
CAN1-PWTNO TERM
MCM2-B
CAN-
H
HF G
ND
HF G
ND
HF G
ND
CAN-
L
CAN1-PWT120 OHM
CPC2+
CAN-
H
CAN-
L
DEFPUMP
DEFTANK
COOLVLV
LINEHTR 1
LINEHTR 2
LINEHTR 3
LINEHTR 4
AIRVLV
1212
d150061a
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