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1
4
3
2
610
1513
6 4
13
6 4
1
4
3
2
1
4
3
2
1
4
3
22
31
4
AE
2 1
2
1
1 4
CKP-L
CKP-H
CMP-HCMP-L
VREF5
SIG GND
VREF6FRP
SIG GND
VREF5EOP
SIG GND
EOT
SIG GND
TC1WC
ECM PWR OUT 3
AFTFD-H
AFTFD-L
VSS-HVSS-LCSRDCSRC
Injector
#1
Injector
#4Injector
#6Injector
#3
Injector
#5
Injector
#2
FUEL INJECTORS
E2-13
E2-03E2-14
E2-16E2-01
E2-04
E2-05E2-12E2-11
E2-15E2-02
E2-06
ECM 16-Pin
E2 Connector
21-Way On/Off
Engine Harness
Interface
Connector
EBPV
High
High
High
High
High
High
TC1TOP
SIG GND
VREF3
ECM PWR OUT 3
AAT
Lube System
Cold Start System
Fuel SystemAir Management System
Intake
Manifold
Temp (IMT)
Engine
Oil Temp
(EOT)
Engine Oil
Pressure
(EOP)Fuel Rail
Pressure
(FRP)
Fuel
Delivery
Pressure
(FDP)
Turborcharger 2
Compressor
Inlet Sensor
(TC2CIS)
Engine Coolant
Temp. 2 (ECT2)
TC1 Wastegate Control
(TC1WC)
TC2 Wastegate Control
(TC2WC)
Exhaust Back Pressure Valve
(EBPV)
TC1 Turbine Outlet Pressure
(TC1TOP) sensor
Timing System
Crankshaft
Position (CKP)
Camshaft
Position (CMP)
EGR
System
Exhaust Gas
Recirculation
Valve (EGR)
EGR Temp
(EGRT)
Engine
Compression
Brake 2 (ECB2)
Engine Compression Brake
E1-16E1-40E1-17E1-41
E1-81E1-35E1-22
E1-88E1-34
E1-46
E1-82E1-10E1-19
E1-36E1-63
E1-73E1-25
FDP
E1-26E1-52E1-89
E1-04E1-54
E1-02E1-27
E1-61E1-20
TC2WC
ECM 96-Pin
E1 connector
FPCVFPCV 12V
Humidity
Sensor (HS)
1 4Note: FPCV is part
of the HP Fuel Pump
Charge Air
Cooler Outlet
Temp
(CACOT)
Intake
Manifold
Pressure
(IMP)
E1-38E1-23E1-59E1-85
E1-12E1-58E1-79
E1-83E1-55
E1-37E1-43E1-18E1-86E1-13
ECM PWR OUT 2
Engine
Throttle Valve
(ETV)
E1-57E1-75
2
31
4 2
31
4
Engine Coolant
Temp. 1 (ECT1)
Engine
Compression
Brake 1 (ECB1)
2 3
14
E1-95E1-94E1-05
E1-77
E1-49E1-14
E1-47E1-50
E1-68
E1-42E1-53E1-76E1-39E1-15E1-67Coolant Flow
Valve (CFV)
Cold Start Fuel
Solenoid
(CSFS)
Cooling System
Engine Oil
Level
(EOL)
123
E1-72E1-96
E1-71E1-44
E1-48E1-28E1-03E1-29E1-07E1-31
CSRE
789
1510111213192021
24
1413
GND
EGRP
SWBAT
E1-21
E1-64EOLSIG GND
AITSIG GND
HS
VREF2TC2CIPVREF4
TC2CIT
SIG GND
SIG GND
IMTSIG GND
IMPVREF2
CACOT
ETPETC
EGRCEGRT
SIG GND
ECM PWR OUT 2
ECT1SIG GND
CSFSECM PWR OUT 2
CCOSS-L
CCOSS-H
SWBAT
ECB1
ECB2 12VECB2
ECT2SIG GND
GND
MAF
ECM PWR OUT 1MAF GND
SIG GND
EOT2 5
E1-45
Coolant Mixer
Valve (CMV)
E1-74E1-24
CMV
ECM PWR OUT 2
CFV
ECM PWR OUT 3
E4-05 INJ1 H
E4-12 INJ1 L
E4-11 INJ2 H
E4-06 INJ2 L
E4-04 INJ3 H
E4-13 INJ3 L
E4-03 INJ4 H
E4-14 INJ4 L
E4-02 INJ5 H
E4-15 INJ5 L
E4-01 INJ6 H
E4-16 INJ6 L
ELECTRONIC CONTROL SYSTEM DIAGNOSTICS
Color code for schematic lines
WARNING
Information on this form was current at the time of
publication. Updates may have been made to
introduce product improvements and technical
advancements. See correct truck service manual
for chassis wiring.
To prevent personal injury or death, read all
safety instructions in the "Safety Information"
section of Engine Diagnostics Manual EGES-
470 before doing any diagnostic procedures.
Red B+ (Battery Voltage)
Purple Injectors (48 Volts) Blue VREF (5 Volts)Green SignalGreen PWM - Signal