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3.7 Wiring harness, engine with exhaust gas aftertreatment –
Overview
Engine wiring harness, sensors – connector assignment
X2
Governor ECU
B44.1
Exhaust turbocharger A speed
B1
Camshaft speed
B44.2
Exhaust turbocharger B speed
B3
Intake air temperature
B48
HP fuel pressure
B4.21
Exhaust gas temperature, A-side
B49
Charge-air before recirculation
B4.22
Exhaust temperature, B-side
B50
Crankcase pressure
B5.1
Lube oil pressure after filter
B98
Exhaust pressure after cylinder
B5.3
Lube oil pressure before filter
F33
Coolant level
B6
Coolant temperature
F46
Leak fuel level
B7
Lube oil temperature
M8
Fuel pump
B9
Charge-air temperature
S37.1
Start interlock limit switch A
B10
Charge-air pressure
S37.2
Start interlock limit switch B
B13
Crankshaft speed
X37
Start interlock turning
B16
Coolant pressure
XA80
Exhaust gas aftertreatment
B33
Fuel temperature
XG03
Battery-charging generator
B34.1
Fuel pressure after filter
Y26
Charge-air recirculation
B34.2
Fuel pressure before filter
Y27
Turbocharger valve
Engine wiring harness, injectors – connector assignment
X3
Governor ECU
Y39Ax
Injectors, engine A-side
E4.X
KF thermostat heating
Y39Bx
Injectors, engine B-side
Adaptation – connector assignment
X1
Governor ECU
XB19
Starting air pressure
X11
EMU Power
XD1
Dialog unit
X37
Start interlock
XD1.E
Ground XD1
X52
EIM engine box
XY1
Starter
Wiring harness, SCR catalytic converter – connector assignment
B85.1
T-Exhaust before SCR, A side
M80.4X2
X-VE 2.1 / X2
B85.3
T-Exhaust before SCR, B side
M80.5X1
X-VE2.2 / X1
B85.6
T-Exhaust after SCR
M80.5X2
X-VE2.2 / X2
B88.3
NOx before SCR, A side
M80.6X1
X-VE 2.3 / X1
B88.5
NOx before SCR, B side
M80.6X2
X-VE 2.3 / X2
B88.8
NOx after SCR
M81.1
PFM pump 1 (PFM = pre-feed module)
B91.7
P-Exhaust before SCR
M81.2
PFM pump 2
B91.8
P-Exhaust after SCR
M81.3
Dosing unit 1.1
B100.2
X-Ammoniac Sensor after SCR
M81.4
Dosing unit 1.2
B102
P-Urea Solution PFM after Filter
M81.5
Dosing unit 1.3
B103
K-T-Urea Solution
M81.6
Dosing unit 2.1
K100.1X1 Relay 1 connector 1 actuator
M81.7
Dosing unit 2.2
K100.1X2 Relay 1 connector 2 actuator
M81.8
Dosing unit 2.3
44 | General Information | MS150123/01E 2017-05
TIM-ID: 0000075361 - 001