2.5 Engine wiring harness – Overview
Designation
Connection assignment
Engine wiring harness
for sensors
X2
Governor ECU-7
B1
Camshaft speed
B3
Intake air temperature
B4.A1 to AX
Cylinder exhaust temperature on A side (option)
B4.B1 to BX
Cylinder exhaust temperature on B side (option)
B4.21
Exhaust bulk temperature, A side
B4.22
Exhaust bulk temperature, B side
B4.23
Exhaust bulk temperature, C side
B4.24
Exhaust bulk temperature, D side
B5.1
Lube oil pressure after filter
B5.2
Lube oil pressure after filter (option)
B5.3
Lube oil pressure before filter
B6
Coolant temperature
B7
Lube oil temperature
B9
Charge-air temperature
B10
Charge-air pressure
B13
Crankshaft speed
B16
Coolant pressure
B21
Raw water pressure
B33
Fuel temperature
B34.1
Fuel pressure after filter
B34.2
Fuel pressure before filter
B44.1
Turbocharger A speed
B44.2
Turbocharger B speed
B44.3
Turbocharger C speed
B44.4
Turbocharger D speed
B48
Fuel high pressure
B49
Charge air before air recirculation valve
B50
Crankcase pressure
B54
Refill pump pressure (option)
B57.1 to 57.X
Main bearing temperature (option)
B77.B1 to BX
Splash-oil temperature for conrod bearings (option)
F33
Coolant level
M8
Fuel pump
F46
Leak fuel level
S37.1
Limit switch for start interlock A
S37.2
Limit switch for start interlock B:
X37
Start interlock turning
32 | General Information | MS150046/02E 2013-07
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