Pin assignment
Designation
Y27
Turbocharger valve
XG03
Battery-charging generator
Table 2: Engine wiring harness for sensors
Pin assignment
Designation
X4
Governor ECU-7
E4.X
KF thermostat heating
Y39A1 to Y39AX
Injectors, engine side A
Y39B1 to Y39BX
Injectors, engine side B
Table 3: Engine wiring harness for injectors
Pin assignment
Designation
X1
Engine Control Unit ECU
X3
Engine Control Unit ECU Power
X11
EMU Power
X37
Start interlock
X52
EIM engine box
XB19
Starting-air pressure
XD1
Dialog unit
XY1
Starter
Table 4: Adaption
50 | General Information | MS150046/03E 2018-08
TIM-ID: 0000034732 - 003
Summary of Contents for 20V4000M73 series
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