Page 1
CUMMINS
Electrical Circuit Diagram
ISX15 CM2350
epcatalogs.com
Page 2
How to Read This Diagram
ABBREVIATION
COLOR
RD
WH
OR
YL/YE
PK
BK
GY
PU/VT
BR/BN
GN
BU/BL
RED
WHITE
ORANGE
YELLOW
PINK
BLACK
GRAY
PURPLE
BROWN
GREEN
BLUE
Capital Abbreviation’s Represent Wire Main Color
Lower Case Abbreviation’s Represent Secondary Color
ABBREVIATION
COLOR
RD
WH
OR
YL/YE
PK
BK
GY
PU/VT
BR/BN
GN
BU/BL
RED
WHITE
ORANGE
YELLOW
PINK
BLACK
GRAY
PURPLE
BROWN
GREEN
BLUE
Capital Abbreviation’s Represent Wire Main Color
Lower Case Abbreviation’s Represent Secondary Color
Part
Number
Component
Name
Component
Component
Connection
12121
2
CRS Combustion Air Control
Valve 298-6410
Part
Number
Component
Name
Component
Component
Connection
1
2
CRS Combustion Air Control
Valve 298-6410
A
+12V Battery
B
C
D
Ignition
J1708(-)
J1708(+)
Trip Master
(5927)
Connector
Name
Pin Label
Pin Connection
A
+12V Battery
B
C
D
Ignition
J1708(-)
J1708(+)
Trip Master
(5927)
Connector
Name
Pin Label
Pin Connection
A
(See Page 1)
Reference
Reference
Destination
A
(See Page 1)
Reference
Reference
Destination
A
+12V Battery
B
C
D
Ignition
J1708(-)
J1708(+)
Trip Master
(5927)
Connector
Name
Pin Label
Pin Connection
A
(See Page 1)
Reference
Reference
Destination
SYMBOLS
Splice
Ground
Fuse
Twisted Pair
Diode
Passthrough Connector
Circuit
Breaker
+++
Power
>>>>
A
Reference
How to Read This Diagram
ABBREVIATION
COLOR
RD
WH
OR
YL/YE
PK
BK
GY
PU/VT
BR/BN
GN
BU/BL
RED
WHITE
ORANGE
YELLOW
PINK
BLACK
GRAY
PURPLE
BROWN
GREEN
BLUE
Capital Abbreviation’s Represent Wire Main Color
Lower Case Abbreviation’s Represent Secondary Color
Part
Number
Component
Name
Component
Component
Connection
1
2
CRS Combustion Air Control
Valve 298-6410
A
+12V Battery
B
C
D
Ignition
J1708(-)
J1708(+)
Trip Master
(5927)
Connector
Name
Pin Label
Pin Connection
A
(See Page 1)
Reference
Reference
Destination
SYMBOLS
Splice
Ground
Fuse
Twisted Pair
Diode
Passthrough Connector
Circuit
Breaker
+
Power
>>
A
Reference
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Page 3
CONNECTORS
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Page 4
ISX15 CM2350 X101
Crankshaft Position
Sensor
Coolant Temperature
Sensor
Crankshaft Position +5 Volt Supply
Coolant Temperature Return
Camshaft Position
Sensor
Camshaft Position +5 Volt Supply
Crankcase Pressure
Sensor
Crankshaft Position Signal
Crankshaft Position Return
Camshaft Position Signal
Camshaft Position Return
Coolant Temperature Signal
Intake Manifold Air
Pressure/
Temperature Sensor
Barometric Pressure
Sensor
Barometric Pressure Signal
Oil Pressure Sensor
Fuel Pump Actuator
Fuel Pump Actuator Signal
Fuel Pump Actuator Return
Turbocharger
Compressor Intake
Temperature Sensor
Turbocharger Compressor Intake Temperature Signal
Intake Manifold Air Temperature Signal
Intake Manifold Air Pressure Signal
Sensor Supply 3
Sensor Supply 1
Intake Manifold Air Pressure/Temperature Return
Intake Manifold Air Pressure/Temperature +5 Volt Supply
Barometric Pressure +5 Volt Supply
Barometric Pressure Return
Crankcase Pressure Signal
Crankcase Pressure +5 Volt Supply
Crankcase Pressure Return
Oil Pressure Signal
Oil Pressure +5 Volt Supply
Oil Pressure Return
Turbocharger Compressor Intake Temperature Return
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
BABAB
A
12121
2
ABABA
B
A (See Page 2)(See Page 2)
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Page 5
ISX15 CM2350 X101
Oil Temperature
Sensor
Oil Temperature Signal
Exhaust Gas
Recirculation
Temperature Sensor
A
Oil Temperature Return
Exhaust Gas Recirculation Temperature Signal
Exhaust Gas Recirculation Temperature Return
Injector Solenoid 2 Return
Injector Solenoid 2 Signal
Injector Solenoid 3 Signal
Injector Solenoid 3 Return
Injector Solenoid 4 Signal
Injector Solenoid 1 Return
Injector Solenoid 1 Signal
Engine Break Solenoid 2 Signal
Injector Solenoid 4 Return
Injector Solenoid 5 Signal
Injector Solenoid 5 Return
Injector Solenoid 6 Signal
Injector Solenoid 6 Return
Injector #1
Injector #2
Injector #3
Injector #4
Injector #5
Injector #6
Engine Break
Solenoid 2
Engine Break
Solenoid 1
Engine Break Solenoid Return
Engine Break Solenoid 1 Signal
01
02
03
04
05
06
07
10
11
14
15
16
13
09
08
12
Crankcase Breather
Heater
Crankcase Breather Heater Supply
Crankcase Breather Heater Return
Engine Break Solenoid Return
ABABA
B
21212
1
12121
2
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Page 6
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