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

ACM 21-PIN CONNECTOR

DOSING UNITDPFSCR

NOx 1

PRESSUREDOC DOC DPF

T outPRESS

AIR

2 13 1 232 13

PRESSDEF TEMP

DEFVLVDEF

HTRDIFF

HTRGEN

T outT inDOC IN DPF 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

120/41 120/40 120/43 120/76 120/75 120/78 120/77 120/50 120/53 120/52 120/51 120/117 120/87 120/88 120/72 120/27 120/73 120/97 120/98 120/84 120/85 120/86 120/39 120/16 120/74 120/99 120/22 120/3 120/28120/100120/107 120/108

NOx S

NSR

2 SPL

Y (+

12V)

NOx S

NSR

2 CAN

4-L

NOx S

NSR

2 CAN

4-H

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

)

DOC

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

HIGH

SID

E DI

GITA

L OUT

PUT

1 (+1

2V)

DOSI

NG V

ALVE

DIFF

HEA

TER

GEN

HEAT

ER

HIGH

SID

E DI

GITA

L OUT

PUT

3 (+1

2V)

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-L

CAN

4-H

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

HIGH

SID

E DI

GITA

L OUT

PUT

3 (+1

2V)

DEF

LINE

HTR

3 CON

T SI

G

DEF

LINE

HTR

4 CON

T SI

G

COMP

AIR

VLV

CON

T SI

G

HIGH

SID

E DI

GITA

L OUT

PUT

1 (+1

2V)

DEF

TANK

COO

L VLV

CON

T SI

G

HIGH

SID

E DI

GITA

L OUT

PUT

3 (+1

2V)

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

HIGH

SID

E DI

GITA

L OUT

PUT

1 (+1

2V)

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

d150061cAll information subject to change without notice. Copyright 2009 DETROIT DIESEL CORPORATION.