MTU 16V4000M73 Operating Instructions Manual page 40

SCR catalytic converter, free end
X41 DCM connector to ECU
X42 DCM connector for power
supply
X43 DCM connector for compo-
nents
B91.7 P-Exhaust before SCR
B88.3 NOx before SCR, A side
40 | General Information | MS150123/01E 2017-05
B85.1 T-Exhaust before SCR, A
side
B102 P-Urea Solution PFM after
Filter
M81.2 PFM pump 2
M81.1 PFM pump 1
B103 K-T-Urea Solution
X3 Connection to ECU9
B85.3 T-Exhaust before SCR, B
side
B88.5 NOx before SCR, B side