RED DC VOLTAGE

NOTE: ECM 4 SOURCE ADDRESS 186 OEM ECM 4 SOURCE ADDRESS 186 ENGINE
BLUE INPUT SIGNAL SOME OF THE CIRCUITS SHOWN HERE WILL NOT BE ACTIVE IN ALL APPLICATIONS. CONSULT 20 AMP FUSE CONNECTOR CONNECTOR
GROUNDS, SHIELDS AND RETURNS THE EQUIPMENT MANUFACTURER´S LITERATURE TO DETERMINE WHICH CIRCUITS ARE USED.
BLACK SUPPLY
26 SIGNAL
PURPLE OUTPUT SIGNAL SUPPLY 25 1
01 RETURN
SUPPLY 01 2 INJECTOR 6
GREEN DATA LINKS 25
SUPPLY
ECM 2 SOURCE ADDRESS 01 28 SIGNAL
SUPPLY 49 1
00 REPRESENTS FEMALE PINS
ENGINE CONNECTOR 27
73
RETURN
2 INJECTOR 8
TEMPERATURE SIGNAL ECM 4 RETURN
62 03 50
00 REPRESENTS MALE PINS GROUND RETURN
ECM 2 SOURCE ADDRESS 01 45 PRESSURE SIGNAL
01 INTAKE MANIFOLD 73 SIGNAL
RETURN RETURN PRESSURE/TEMPERATURE RETURN 50 1
REPRESENTS TWISTED PAIR 20 AMP FUSE
OEM CONNECTOR 57 04
SENSOR 2
52
74
RETURN
2 INJECTOR 10
SENSOR SUPPLY 2 5 VOLT SUPPLY RETURN
SUPPLY 81 02 51
26 RETURN
SUPPLY 49 SIGNAL
01 SIGNAL 26 1
REPRESENTS SHIELD SUPPLY EXHAUST GAS 1 24 RETURN
25 TEMPERATURE SENSOR 8 RETURN 02 2 INJECTOR 12
RETURN
SUPPLY 05 2
28 5 VOLT SUPPLY
SUPPLY 01
27 POSITION A SIGNAL SIGNAL
RETURN 23 08 EXHAUST GAS 1 56 64 1
ECM 2 EXHAUST GAS TEMPERATURE
50 POSITION B TURBOCHARGER TEMPERATURE SENSOR 14 RETURN RETURN
GROUND RETURN 24 06 2 2 SENSOR 2
73 WASTEGATE 2
47 PIN RETURN 48 POSITION C
07
52 POSITION A SIGNAL SIGNAL
RETURN 47 02 EXHAUST GAS 1 65 92 1
51 POSITION B TEMPERATURE SENSOR 16 RETURN RETURN EXHAUST GAS TEMPERATURE
RETURN 46 03 2 2 SENSOR 4
AFTERTREATMENT 2 CONNECTOR 49 POSITION C
22 04 CONTROL MODULE IDENTIFICATION 1
CONTROL MODULE IDENTIFICATION 2 89 SIGNAL
90 CONTROL MODULE IDENTIFICATION 2 61 1
NOT USED 90 EXHAUST GAS TEMPERATURE
AMBIENT AIR TEMPERATURE SENSOR RETURN 2
03 14 CONTROL MODULE IDENTIFICATION 3 SENSOR 6
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 1 TEMPERATURE SIGNAL NOT USED 92
16 41 15
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 1 SIGNAL NOT USED SIGNAL
11 77 38 83 1
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 1 RETURN NOT USED RETURN EXHAUST GAS TEMPERATURE
12 53 39 2
SENSOR 10
EXTENSION HARNESS
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE HEATER RELAY 1 SIGNAL
14 83 RETURN SIGNAL
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE HEATER RELAY 1 RETURN 16 02 02 ENGINE TURBOCHARGER 89 1
05 57 SIGNAL RETURN EXHAUST GAS TEMPERATURE
17 01 01 SPEED SENSOR 2 2 SENSOR 12
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 1 PRESSURE SIGNAL KEYSWITCH
18 16 05 EXTENSION
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 1 SENSOR RETURN SAE J1939 DATA LINK 1 POSITIVE HARNESS
17 32 SIGNAL 22
5 VOLT SUPPLY PRESSURE 92 1 RIGHT BANK SAE J1939 DATA LINK 1 NEGATIVE SIGNAL
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 1
15 08 MAIN BEARING TEMPERATURE 5 RETURN EXHAUST GAS 46 17 01 1
60 2 TEMPERATURE SENSOR SAE J1939 DATA LINK 1 SHIELD SHIELD RETURN ENGINE TURBOCHARGER
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 1 CONTROL SIGNAL MAIN BEARING TEMPERATURE 6 62 16 02 2
19 06 65 SPEED SENSOR 4
1 OHM 0.68uf 3
SIGNAL
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 1 24 VOLT SUPPLY 25 1
21 79 RETURN INJECTOR 2 AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 3
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 1 RETURN 01 2 36
22 54 AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 2
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT HEATER RELAY SIGNAL 41 ENGINE AIR FILTER 3 DIFFERENTIAL PRESSURE SIGNAL
29 81 SIGNAL 37 6
AMBIENT AIR TEMPERATURE SENSOR SIGNAL 49 1 32 RETURN
06 65 RETURN INJECTOR 4 57 1
SIGNAL 73 2 08 SUPPLY
30 AFTERTREATMENT 2 DIESEL EXHAUST FLUID LINE HEATER RELAY
80 81 2 ENGINE AIR FILTER DIFFERENTIAL PRESSURE
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 2
AFTERTREATMENT 2 DIESEL EXHAUST FLUID LINE HEATER RELAY SIGNAL 16 ENGINE AIR FILTER 4 DIFFERENTIAL PRESSURE SIGNAL RIGHT BANK
33 38 SIGNAL AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 2 44 3 INTERFACE CONNECTOR
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT HEATER RELAY SIGNAL 50 1 06 RETURN
13 37 RETURN INJECTOR 14 AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 2 4
74 2 79 SUPPLY
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 2 5
1 OHM 0.68uf 54
SHIELD SIGNAL
62 26 1
INJECTOR 16 18 CAMSHAFT POSITION SENSOR SIGNAL
POSITIVE RETURN AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 2 HEATER RELAY
22 02 2 83
31 CRANKSHAFT POSITION SENSOR SIGNAL
NEGATIVE ENGINE OIL LEVEL SENSOR 2 AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 2,3 HEATER RELAY
46 36 57
28 AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 3
PRE-FILTER OIL PRESSURE SENSOR AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 3 HEATER RELAY
63 82 AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 3
RETURN AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 3 04
KEYSWITCH 54 48 MULTIPLE UNIT SYNCHRONIZATION IDENTIFICATION 1
05 SENSOR SUPPLY 1 AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 2 52
78 77 AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 3
POSITIVE NOT USED AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 2 29
21 82 53 AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 3
NEGATIVE CRANKSHAFT POSITION SENSOR SIGNAL 05
45 31
CAMSHAFT POSITION SENSOR 69
70 18
SIGNAL
35 PIN
70
69 52
MULTIPLE UNIT SYNCHRONIZATION IDENTIFICATION 1 SIGNAL
NOT USED AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 3
RIGHT BANK
34 36
MAIN BEARING 93
NEGATIVE SAE J1939 DATA LINK 2 NEGATIVE
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 3
AFTERTREATMENT
POSITIVE SAE J1939 DATA LINK 2 POSITIVE 19
TEMPERATURE 9
40 69 AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 2 CONNECTOR
MAIN BEARING SHIELD SAE J1939 DATA LINK 2 SHIELD 32
TEMPERATURE 8 34 NOT USED NOT USED
39 30 09
MAIN BEARING 0.68uf 1 OHM NOT USED
TEMPERATURE 7 03
34 NOT USED NOT USED
32 07 08
NOT USED NOT USED
06 02
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 1 PUMP SPEED SIGNAL NOT USED NOT USED
20 08 06
NOT USED NOT USED
33 17
NOT USED
04
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 2 TEMPERATURE SIGNAL NOT USED NOT USED
02 09 05
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 2 TEMPERATURE SIGNAL
23
SENSOR RETURN
24 NEGATIVE SAE J1939 DATA LINK 2
5 VOLT SUPPLY 93
36 POSITIVE SAE J1939 DATA LINK 2
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 2 PRESSURE SIGNAL 69
25 SHIELD SAE J1939 DATA LINK 2
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 2 CONTROL SIGNAL 34
26
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 2 24 VOLT SUPPLY 0.68uf 1 OHM
27
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 2 RETURN NOT USED
28 13
NOT USED
01
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 2 HEATER RELAY SIGNAL NOT USED
31 12
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 2,3 HEATER RELAY RETURN NOT USED
34 26
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 3 HEATER RELAY SIGNAL NOT USED
44 11
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 3 CONTROL SIGNAL NOT USED
43 27
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 2 SIGNAL NOT USED
41 25
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 2 RETURN
42
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 2 PUMP SPEED SIGNAL
47
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 3 PUMP SPEED SIGNAL
46
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 3 PRESSURE SIGNAL
39
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 3 SIGNAL
37
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 3 RETURN
38

AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 3 24 VOLT SUPPLY

45
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING UNIT 3 RETURN
40

SAE J1939 DATA LINK 1 NEGATIVE SAE J1939 DATA LINK 1 NEGATIVE
B
SAE J1939 DATA LINK 1 POSITIVE SAE J1939 DATA LINK 1 POSITIVE 120 OHM
A TERMINATION
SAE J1939 DATA LINK 1 SHIELD SAE J1939 DATA LINK 1 SHIELD
C RESISTOR

SAE J1939 DATA LINK 4 POSITIVE POSITIVE SAE J1939 DATA LINK 4
08 A
SAE J1939 DATA LINK 4 NEGATIVE NEGATIVE SAE J1939 DATA LINK 4 120 OHM
09 B TERMINATION
SAE J1939 DATA LINK 4 SHIELD SHIELD SAE J1939 DATA LINK 4 SAE J1939 DATA LINK 2 NEGATIVE SAE J1939 DATA LINK 2 NEGATIVE
10 C RESISTOR B
AFTERTREATMENT 2 SENSOR SUPPLY SAE J1939 DATA LINK 2 POSITIVE SAE J1939 DATA LINK 2 POSITIVE 120 OHM
04 A TERMINATION
AFTERTREATMENT 2 SENSOR RETURN SAE J1939 DATA LINK 2 SHIELD SAE J1939 DATA LINK 2 SHIELD
01 C RESISTOR

AFTERTREATMENT INTAKE 3 10 AMP FUSE

NOX SENSOR 2 1
4

ENGINE COOLANT SIGNAL

A
TEMPERATURE SENSOR RETURN
B

5 VOLT SUPPLY 5 VOLT SUPPLY

1 04
PRE-FILTER OIL PRESSURE SENSOR RETURN RETURN
2 05
SIGNAL SIGNAL
3 06

SIGNAL SIGNAL
3 03

MULTIPLE UNIT SYNCHRONIZATION IDENTIFICATION 3

MULTIPLE UNIT SYNCHRONIZATION IDENTIFICATION 2
MULTIPLE UNIT SYNCHRONIZATION IDENTIFICATION 1
OIL PRESSURE SENSOR RETURN RETURN
2 02
5 VOLT SUPPLY 5 VOLT SUPPLY
1 01

ENGINE COOLANT TEMPERATURE SENSOR

3 12
RETURN 5 VOLT SUPPLY
ENGINE OIL LEVEL SENSOR 2 2 1
5 VOLT SUPPLY 3 AMP RETURN COOLANT PRESSURE SENSOR
1 2

SAE J1939 DATA LINK 1 NEGATIVE

SAE J1939 DATA LINK 2 NEGATIVE

CRANKSHAFT POSITION SENSOR

SAE J1939 DATA LINK 1 POSITIVE

SAE J1939 DATA LINK 2 POSITIVE

FUSE SIGNAL
3

CAMSHAFT POSITION SENSOR

5 VOLT SUPPLY
4 04
MAIN BEARING TEMPERATURE 6

MAIN BEARING TEMPERATURE 5

RETURN
3 05
LUBRICATING OIL PROPERTY SENSOR DATA LINK 3 POSITIVE
1 10
DATA LINK 3 NEGATIVE
2 11
ENGINE COOLANT

EXTENSION HARNESS CONNECTOR

ENGINE COOLANT
TEMPERATURE 9

TEMPERATURE 7
TEMPERATURE 8

TEMPERATURE
MAIN BEARING

MAIN BEARING
MAIN BEARING
KEYSWITCH

PRESSURE
RETURN

RETURN

RETURN

03 02 01 12 13 27 28 14 15 29 24 05 06 08 04 09 07 10 11 19 17 16 23 20 18 26 21 22 25
29 PIN CROSSOVER
CONNECTOR
03 02 01 12 13 27 28 14 15 29 24 05 06 08 04 09 07 10 11 19 17 16 23 20 18 26 21 22 25

SAE J1939 DATA LINK 1 POSITIVE SAE J1939 DATA LINK 1 POSITIVE
A
120 OHM TERMINATION RESISTOR SAE J1939 DATA LINK 1 NEGATIVE SAE J1939 DATA LINK 1 NEGATIVE
B
SAE J1939 DATA LINK 1 SHIELD SAE J1939 DATA LINK 1 SHIELD
C

SAE J1939 DATA LINK 2 POSITIVE SAE J1939 DATA LINK 2 POSITIVE
A
120 OHM TERMINATION RESISTOR SAE J1939 DATA LINK 2 NEGATIVE SAE J1939 DATA LINK 2 NEGATIVE
B
SAE J1939 DATA LINK 2 SHIELD SAE J1939 DATA LINK 2 SHIELD
C

SAE J1939 DATA LINK 3 POSITIVE SAE J1939 DATA LINK 3 POSITIVE SAE J1939 DATA LINK 3 POSITIVE
A A
120 OHM TERMINATION RESISTOR SAE J1939 DATA LINK 3 NEGATIVE SAE J1939 DATA LINK 3 NEGATIVE SAE J1939 DATA LINK 3 NEGATIVE
B
SAE J1939 DATA LINK 3 SHIELD SAE J1939 DATA LINK 3 SHIELD
B 35 PIN
C C LEFT BANK
AFTERTREATMENT CONNECTOR
120 OHM TERMINATION RESISTOR

RETURN NOT USED

A 26
SUPPLY NOT USED
B 11
SERVICE CONNECTOR POSITIVE NOT USED
SAE J1939 DATA LINK 1
C 27
SAE J1939 DATA LINK 1 NEGATIVE NOT USED
D 25
SAE J1939 DATA LINK 1 SHIELD
E
RELAY

10 AMP FUSE 24 VOLT SUPPLY

NOT USED
AFTERTREATMENT INTAKE 1 87 10
NOT USED
NOX SENSOR 1 4 85 12
SAE J1939 DATA LINK 4
2 30
SAE J1939 DATA LINK 4
3 86

NEGATIVE NOT USED

01
POSITIVE

ECM 1 SOURCE ADDRESS 00 OEM CONNECTOR NOT USED

13
OEM RESPONSIBILITY 82
ECM 1 SOURCE ADDRESS 00 ENGINE
CONNECTOR
16 PIN POWER
CONNECTOR SAE J1939 DATA LINK 1 POSITIVE MULTIPLE UNIT SYNCHRONIZATION
22 IDENTIFICATION 1
SAE J1939 DATA LINK 1 52
KEYSWITCH E NEGATIVE
46
ECM 3 SOURCE ADDRESS 144
B 62 ENGINE CONNECTOR NOT USED
ECM 1 03
20 AMP FUSE 1 OHM 0.68uf ENGINE OIL LEVEL SENSOR 1 NOT USED NOT USED
ECM 1 POWER SUPPLY A B SUPPLY 36 SIGNAL 30 09
3
A 26 NOT USED NOT USED
SUPPLY
27
RETURN
2 ENGINE OIL LEVEL SENSOR 1 ECM 3 SOURCE 07 08
NOT USED NOT USED
5 VOLT SUPPLY
ECM 2 POWER SUPPLY
SUPPLY
01
1 ADDRESS 144 OEM 06
NOT USED
02
NOT USED
C 08 06
SUPPLY
25 CONNECTOR NOT USED NOT USED
ECM 3 SUPPLY NEGATIVE SAE J1939 DATA LINK 3 MULTIPLE UNIT SYNCHRONIZATION IDENTIFICATION 2 33 17
20 AMP FUSE 28 94 69 NOT USED NOT USED
ECM 3 POWER SUPPLY A B POSITIVE SAE J1939 DATA LINK 3 MULTIPLE UNIT SYNCHRONIZATION IDENTIFICATION 3 09 04
D 70 79 MULTIPLE UNIT SYNCHRONIZATION IDENTIFICATION 1 NOT USED
SHIELD SAE J1939 DATA LINK 3 52 05
UNSWITCHED BATTERY CAMSHAFT POSITION SENSOR
10 AMP FUSE POSITIVE SAE J1939 DATA LINK 1 18
SUPPLY A B 0.68uf 1 OHM 22 CRANKSHAFT POSITION SENSOR
+ F NEGATIVE SAE J1939 DATA LINK 1 31
NEGATIVE SAE J1939 DATA LINK 2 46
93 SHIELD SAE J1939 DATA LINK 1 SAE J1939 DATA LINK 2 NEGATIVE
- POSITIVE SAE J1939 DATA LINK 2 62 93
ECM 4 POWER SUPPLY 69 SAE J1939 DATA LINK 2 POSITIVE
G SHIELD SAE J1939 DATA LINK 2 69
34 1 OHM 0.68uf SAE J1939 DATA LINK 2 SHIELD
ENGINE OIL PRESSURE SIGNAL 34
85
0.68uf 1 OHM
SIGNAL
KEYSWITCH KEYSWITCH ENGINE COOLANT TEMPERATURE SIGNAL 64 1 EXHAUST GAS TEMPERATURE
H 05 83 RETURN SENSOR 1
2
GROUND
K ENGINE COOLANT PRESSURE SIGNAL
GROUND RETURN 66 SIGNAL
J 49 92 1
SIGNAL EXHAUST GAS TEMPERATURE
GROUND RETURN 42 C RETURN
L 50 RETURN 2 SENSOR 3
RETURN
GROUND RETURN 58 B
N 73 SENSOR SUPPLY 6 FUEL RAIL PRESSURE SENSOR
5 VOLT SUPPLY SIGNAL
RETURN 82 A CONTROL MODULE IDENTIFICATION 3 SIGNAL
ECM 1 52 92 61 1
GROUND RETURN RETURN EXHAUST GAS TEMPERATURE
51 2
SIGNAL SENSOR 5
31 3
RETURN RETURN
SIGNAL 55 2 CRANKSHAFT POSITION SIGNAL SIGNAL
1 13 SENSOR SUPPLY 3 5 VOLT SUPPLY 1 24 83 1
79 1 SENSOR EXHAUST GAS TEMPERATURE SENSOR 7 EXHAUST GAS TEMPERATURE
RETURN RETURN RETURN
WATER IN FUEL 2 2 2 SENSOR 9
SENSOR 1 CONTROL MODULE SIGNAL
SIGNAL IDENTIFICATION 1 63 3 SIGNAL
89 RETURN CRANKCASE PRESSURE SIGNAL 89 1
2 1 56 EXHAUST GAS TEMPERATURE
SENSOR EXHAUST GAS TEMPERATURE SENSOR 13 RETURN
5 VOLT SUPPLY RETURN 2 SENSOR 11
1 2
SIGNAL
3 18
CRANKCASE RETURN SIGNAL SIGNAL
PRESSURE 2 18 3 SIGNAL 25 1
CAMSHAFT POSITION 1 65 RETURN
SENSOR 2 5 VOLT SUPPLY 54 RETURN RETURN 01 INJECTOR 5
1 2 EXHAUST GAS TEMPERATURE SENSOR 15 RETURN 2
SENSOR 2
78 SENSOR SUPPLY 1 5 VOLT SUPPLY
1
SIGNAL
49 1
OEM RESPONSIBILITY SIGNAL RETURN
92 1 73 2 INJECTOR 7
LEFT BANK EXHAUST GAS
RETURN RETURN OPTIONAL
B 2 TEMPERATURE SENSOR SIGNAL
FAN CLUTCH SIGNAL
SIGNAL 1 13 SIGNAL
A WATER IN FUEL SENSOR 2 50 1
2 RETURN
TEMPERATURE SIGNAL RETURN
62 03 74 2 INJECTOR 9
45 PRESSURE SIGNAL INTAKE MANIFOLD
01 SUPPLY
RETURN PRESSURE/TEMPERATURE SENSOR 1 26 SIGNAL
04 SUPPLY 26 1
5 VOLT SUPPLY 01 RETURN
02 SUPPLY 02 2 INJECTOR 11
RETURN 25
B 76 SUPPLY 14
CENTINEL OIL SIGNAL ECM 3 28 IF EQUIPPED
SIGNAL SIGNAL
CONTROL VALVE A 74 44 3 GROUND SUPPLY 15 1
27 FUEL PRIMING PUMP 2
RETURN RETURN BAROMETRIC RETURN
57 2 RETURN 38 2
SENSOR SUPPLY 2 PRESSURE SENSOR 50
81 5 VOLT SUPPLY 39 EXTENSION HARNESS
1 RETURN
73 SIGNAL
RETURN 17 01 1
SIGNAL 52 RETURN
31 PIN OEM CONNECTOR 43 3
FUEL PUMP LUBRICATING OIL SUPPLY RETURN 16 02 2 ENGINE TURBOCHARGER SPEED SENSOR 3
RETURN 51
2 PRESSURE SENSOR RETURN 3
DIAGNOSTIC TEST SWITCH 5 VOLT SUPPLY 49
01 91 1 KEYSWITCH
FAN CLUTCH SWITCH 05 ENGINE AIR FILTER 1 DIFFERENTIAL PRESSURE SIGNAL
02 11 37 6
ENGINE PROTECTION OVERRIDE SWITCH SIGNAL RETURN
03 88 67 3 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 2 57 1
AFTERTREATMENT LAMP RETURN 41 SUPPLY
04 95 2 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVES 2 AND 3 PRESSURE 81 2 ENGINE AIR FILTER DIFFERENTIAL PRESSURE
TEMPERATURE SIGNAL 5 VOLT SUPPLY FUEL DELIVERY PRESSURE SENSOR 32 ENGINE AIR FILTER 2 DIFFERENTIAL PRESSURE SIGNAL LEFT BANK
06 56 1 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVES 2 AND 3 PRESSURE 44 3 INTERFACE CONNECTOR
OEM SENSOR 08 RETURN
07 32 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 2 4
SIGNAL 16 SUPPLY
OEM SENSOR 91 A AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 2 5
08 08 RETURN 06
PRESSURE SIGNAL B OIL TEMPERATURE SENSOR AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 2
05 79 FUEL FILTER DIFFERENTIAL PRESSURE SENSOR SIGNAL
IDLE VALIDATION OFF IDLE SWITCH 14 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 2 67 6
09 43 SIGNAL IF EQUIPPED 54 RETURN
IDLE VALIDATION ON IDLE SWITCH 15 1 58 1
10 44 RETURN FUEL PRIMING PUMP 1 SUPPLY
38 2 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 2 HEATER RELAY 82 2 FUEL FILTER DIFFERENTIAL PRESSURE SENSOR
IDLE VALIDATION SWITCH
11 83 FUEL FILTER DIFFERENTIAL PRESSURE SENSOR SIGNAL LEFT BANK
DROOP SELECT SWITCH 39 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 2 HEATER RELAY 85 3 INTERFACE CONNECTOR
13 64 SIGNAL 57 RETURN
ALTERNATE IDLE SWITCH 61 A AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 3 HEATER RELAY 4
14 86 RETURN ENGINE TURBOCHARGER 82 SUPPLY
FREQUENCY ACCELERATOR SWITCH B AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 3 5
15 55 COMPRESSOR INTAKE TEMPERATURE 48
FREQUENCY ACCELERATOR SWITCH AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 2 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 3
28 SIGNAL 77 19
RED STOP LAMP 64 A AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 2 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 2
16 71 RETURN 53 32
AMBER WARNING LAMP B ENGINE FUEL TEMPERATURE SENSOR AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 2 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 3
17 72 36 29
MAINTENANCE LAMP NOT USED AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 3
18 96 SIGNAL 34 05
FREQUENCY INPUT SENSOR 25 1 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 3
30 31 RETURN 36
01 2 INJECTOR 1 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 3
FREQUENCY INPUT SENSOR
19 04
INTERMEDIATE SPEED CONTROL INCREMENT SWITCH AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 3
23 19 28
INTERMEDIATE SPEED CONTROL DECREMENT SWITCH SIGNAL
24 12 49 1
INTERMEDIATE SPEED CONTROL SWITCH RETURN INJECTOR 3
25 94 73 2
INTERMEDIATE SPEED CONTROL 3 SWITCH
26 20
INTERMEDIATE SPEED CONTROL 2
27 87 SIGNAL
ACCELERATOR PEDAL POSITION 50 1
20 09 RETURN
74 2 INJECTOR 13
ACCELERATOR PEDAL POSITION
21 10
ACCELERATOR PEDAL POSITION
22 33
AFTERTREATMENT DIESEL EXHAUST FLUID LAMP SIGNAL
29 48 26 1
TACHOMETER RETURN
31 30 02 2 INJECTOR 15
ALTERNATE TORQUE SWITCH
12 ENGINE CONTROL MODULE ENGINE CONTROL MODULE
SUPPLY
77 1 ENGINE HARNESS CONNECTOR
RETURN REAL TIME CLOCK BACKUP BATTERY ENGINE HARNESS
53 2
CONNECTOR
OEM CONNECTOR
47 PIN
OEM RESPONSIBILITY AFTERTREATMENT 1 CONNECTOR
SIGNAL SIGNAL
1 AFTERTREATMENT 2 CONNECTOR 23 PIN OEM CONNECTOR
04 2 ENGINE OIL PRIMING PUMP 24
23 PIN OEM CONNECTOR 28
RETURN
1
RETURN RELAY 25
48
FAN CLUTCH
D 78 RETURN
ETHER INJECTION 6
C 75 STARTER RELAY SIGNAL 72
ACCELERATOR PEDAL POSITION 09 5 49 34
L 35 47 X
ACCELERATOR PEDAL POSITION 36 20 33 46 W K
M 63
ACCELERATOR PEDAL POSITION 21 8 32
N 22 31 V L
96 73 9 19
REMOTE ACCELERATOR ENABLE SWITCH J
O 67
10 2 18 H B
MULTIPLE UNIT SYNCHRONIZATION IDENTIFICATION 1
T 23 30 M
3 7 U
MULTIPLE UNIT SYNCHRONIZATION IDENTIFICATION 2
S 69 37 11 17 45
MULTIPLE UNIT SYNCHRONIZATION IDENTIFICATION 3 ENGINE CONTROL MODULE 24
1
29
G A C
R 70
MULTIPLE UNIT SYNCHRONIZATION SWITCH 1 OEM CONNECTOR 38 12
4 6
16 44 T N
V 66 5 F D
MULTIPLE UNIT SYNCHRONIZATION SWITCH 2
U 68 39 43 E
ENGINE COOLANT LEVEL 25 13 15 28
J S O
ENGINE COOLANT LEVEL 14
W 35 1
ENGINE COOLANT LEVEL 40 26 27 42 R P
X 24 Q
START/STOP SWITCH 41
G 25
PRELUBE OVERRIDE SWITCH 48
H POSITIVE SAE J1939 DATA LINK 3
DUAL OUTPUT A 04
A
5 VOLT SUPPLY

NEGATIVE SAE J1939 DATA LINK 3

DUAL OUTPUT B 06 72
E SHIELD 49
SAE J1939 DATA LINK 3
PULSE WIDTH MODULATION
B POSITION SIGNAL
REMOTE OIL LEVEL 02
K CONTROL SIGNAL ENGINE DIESEL
11 11 FUEL METERING VALVE
AFTERTREATMENT DIESEL PARTICULATE FILTER 96 73
CONTROL RETURN
REGENERATION PERMIT/INHIBIT SWITCH 10 03
P RETURN
MACHINE INTERLOCK SWITCH 33 05
F 24 VOLT SUPPLY
PRELUBE COMPLETE SIGNAL 07 01
B 02 31 PIN CONNECTOR

CONTROL RETURN
ENGINE DIESEL ENGINE CONTROL MODULE ENGINE
2 FUEL METERING VALVE ENGINE CONTROL MODULE OEM CONNECTOR
37 CONTROL SIGNAL RESISTOR HARNESS CONNECTOR MATING FACE
MAIN BEARING
1 MATING FACE 1
41
TEMPERATURE 4 1
39 40 24 25 24 31 20
06 IF EQUIPPED 25
30 8 21
SENSOR RETURN

47 PIN MAIN BEARING

TEMPERATURE 3
08 RETURN
12 19 9
AFTERTREATMENT 1 CONNECTOR 34 13 24 VOLT SUPPLY 11 18 2 10
89 SAE J1939 DATA LINK 3 NEGATIVE
AFTERTREATMENT 1 SENSOR SUPPLY 02 29 7 3 22
04 59 SAE J1939 DATA LINK 3 POSITIVE
01
AFTERTREATMENT 1 SENSOR RETURN 01 48 17 1 11
90 SAE J1939 DATA LINK 3 SHIELD
30
AFTERTREATMENT 1 DIESEL EXHAUST FLUID LINE HEATER 1
80 32
03 48 28 6 4 23
1 OHM 0.68uf ENGINE FUEL SUPPLY PUMP
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 1 PRESSURE 16 5 12
15 88 ENGINE FUEL DELIVERY PRESSURE RETURN
17
AFTERTREATMENT 2 DIESEL EXHAUST FLUID DOSING VALVE 1 PRESSURE
SIGNAL
09 72 15 13
ENGINE FUEL DELIVERY PRESSURE
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 1 PRESSURE 08
18 16 RETURN
06
72 27 14 24

AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 1 HEATER RELAY 26 25

05 57 24 VOLT SUPPLY 05 49
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 1 HEATER RELAY 49 96
14 83
AFTERTREATMENT 1 DIESEL EXHAUST FLUID LINE HEATER RELAY SAE J1939 DATA LINK 3
33 38 60
03
RETURN
65
SAE J1939 DATA LINK 3 96 73
16 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 1 TEMPERATURE SAE J1939 DATA LINK 3 73
41
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 1 SIGNAL IF EQUIPPED
19 79 24 VOLT SUPPLY
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 1 24 VOLT SUPPLY 11
21 06 RETURN LEFT BANK
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 1 RETURN 12 29 PIN CROSSOVER CONNECTOR
22 54 16
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT HEATER RELAY SIGNAL NEGATIVE FUEL LIFT PUMP 35 PIN CONNECTOR
29 81 17 02 FUEL DELIVERY PRESSURE SENSOR
AFTERTREATMENT DIESEL EXHAUST FLUID TANK LEVEL SENSOR SIGNAL POSITIVE ENGINE HARNESS
32 14 01 OIL FILTER INLET PRESSURE SENSOR
AFTERTREATMENT DIESEL EXHAUST FLUID TANK TEMPERATURE SENSOR SIGNAL SHIELD COOLANT PRESSURE SENSOR 16 PIN POWER CONNECTOR
35 15 03
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 1 SIGNAL CRANKCASE PRESSURE SENSOR A B
11 77
RETURN CONNECTOR MATING FACE SERVICE CONNECTOR
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 1
12 53
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT HEATER RELAY SIGNAL 47 C D E F G
13 37 EXTENSION HARNESS
5
46 RETURN
45 02 02 18 6 17 29
ENGINE TURBOCHARGER
22 SIGNAL
21 01 01 SPEED SENSOR 1 D S F G H J K L M N
23 19 1 28
47 E 7 16
24 C R E A H
42 20 27 P R S T U V W
48 5 VOLT SUPPLY 01 8 15
AFTERTREATMENT DIESEL EXHAUST FLUID TANK HEATER CONTROL VALVE SIGNAL 1 4 A
07 40 TEST LEAD F B 2 4
RETURN
05 3824811 P D B J 21 26
SIGNAL A J 9 14 X Y Z a b c
02
G C
SIGNAL B 3 2 N K 3
03 TURBOCHARGER H
WASTEGATE 22 10 13 25
SIGNAL C d e f g h
04
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 1 PUMP SPEED SIGNAL LEFT BANK M L
20 SIGNAL A 08 23 11 12 24
SIGNAL B 06 j k
SIGNAL C 07 l m

AFTERTREATMENT DIESEL EXHAUST FLUID TANK HEATER CONTROL VALVE SIGNAL RETURN
06 01
SIGNAL FUEL LEAK INDICATOR TANK
02

ENGINE COOLANT LEVEL SENSOR INJECTOR SOLENOID ENGINE AIR FILTER

CENTINEL OIL CONTROL VALVE ENGINE FUEL TEMPERATURE SENSOR DIFFERENTIAL PRESSURE TURBOCHARGER WASTEGATE
SAE J1939 DATA LINK CONNECTOR EXTENSION HARNESS CONNECTOR CONNECTOR MATING FACE RIGHT BANK
CONNECTOR MATING FACE CONNECTOR MATING FACE
ENGINE COOLANT TEMPERATURE SENSOR LEFT BANK
CONNECTOR MATING FACE CONNECTOR MATING FACE
B A 8 5
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 2 TEMPERATURE SIGNAL A B 1 6
23
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVES 2 AND 3 PRESSURE SENSOR RETURN
24 TEST LEAD TEST LEAD
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVES 2 AND 3 PRESSURE 5 VOLT SUPPLY 3164596 B A 5 1
36 3823993
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 2 PRESSURE SIGNAL
25
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 2 CONTROL SIGNAL TEST LEAD
26 C
24 VOLT SUPPLY 1 2 3164112
27 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 2 10 6
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 2 RETURN 3 4
28
1 4
TEST LEAD
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 2 HEATER RELAY SIGNAL
31 3164596
RETURN CRANKCASE PRESSURE SENSOR
34 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 2 AND 3 HEATER RELAY
CRANKSHAFT POSITION SENSOR
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 3 HEATER RELAY SIGNAL
44 CAMSHAFT POSITION SENSOR OIL PRESSURE PRELUBE CONTROL SWITCH
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 3 CONTROL SIGNAL WATER IN FUEL SENSOR
43 BAROMETRIC PRESSURE SENSOR FUEL RAIL PRESSURE SENSOR
EXHAUST GAS TEMPERATURE SENSOR ENGINE OIL PRIMING PUMP RELAY
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 2 SIGNAL CONNECTOR MATING FACE CONNECTOR MATING FACE
41 CONNECTOR MATING FACE CONNECTOR MATING FACE
RETURN CONNECTOR MATING FACE
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 2 INTAKE MANIFOLD TEMPERATURE/PRESSURE SENSOR
42
TEMPERATURE SIGNAL 2 1 6 CONNECTOR MATING FACE
02 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 2 A B
1 3
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 3 24 VOLT SUPPLY 2 1
45 1 2
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 3 RETURN TEST LEAD 4 1
40 TEST LEAD
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 3 PRESSURE SIGNAL TEST LEAD 3823994 TEST LEAD 3823993
39
3164596 3823993
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 3 SIGNAL
37 C
RETURN TEST LEAD
38 AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING VALVE 3 4919351
PUMP SPEED SIGNAL 3 4
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 2
47
AFTERTREATMENT 1 DIESEL EXHAUST FLUID DOSING UNIT 3 PUMP SPEED SIGNAL
46

SAE J1939 DATA LINK 4 POSITIVE SAE J1939 DATA LINK 4 POSITIVE
08 A
SAE J1939 DATA LINK 4 NEGATIVE SAE J1939 DATA LINK 4 NEGATIVE 120 OHM
09 B TERMINATION
SAE J1939 DATA LINK 4 SHIELD SAE J1939 DATA LINK 4 SHIELD LUBRICATING OIL PROPERTY SENSOR
10 C RESISTOR CONNECTOR
MAIN BEARING
OIL FILTER TEMPERATURE SENSOR
AFTERTREATMENT DIESEL EXHAUST FLUID WIRING HARNESS FUEL METERING VALVE
AFTERTREATMENT DIESEL EXHAUST FLUID EXTENSION HARNESS
DOSING UNIT CONNECTOR MATING FACE ENGINE FUEL SUPPLY PUMP
OIL LEVEL SENSOR DOSING VALVE CONNECTOR MATING FACE
MAIN BEARING CONNECTOR MATING FACE CONNECTOR MATING FACE CONNECTOR MATING FACE CONNECTOR MATING FACE
TEMPERATURE P
SENSOR WIRING N
HARNESS E 6 1
4 1 6 1
MAIN BEARING TEMPERATURE SENSOR CONNECTOR
RETURN
A
MAIN BEARING TEMPERATURE 1 2 3
M A
3 1

QSK95 CM2350 K143C MAIN BEARING TEMPERATURE 2

MAIN BEARING TEMPERATURE 3
MAIN BEARING TEMPERATURE 4
B
L
TEST LEAD
4919351
TEST LEAD
4919351 B

Wiring Diagram MAIN BEARING TEMPERATURE 5

MAIN BEARING TEMPERATURE 6
C
K
D
4 1
4 3
J
H

4
1
7 12

MAIN BEARING TEMPERATURE 7 8 5

BULLETIN 5613136 MAIN BEARING TEMPERATURE 8
J
N
PRINTED IN THE U.S.A. MAIN BEARING TEMPERATURE 9
P
Cummins Inc.
10- MAY-2024