Electronic Networking - Mercedes-Benz OM 471 Introduction Into Service Manual

Electronic networking

A4 Engine management control unit
(MCM)
A57 NOx sensor control unit output for
exhaust aftertreatment unit
A57 b1 NOx sensor output for exhaust
aftertreatment unit
A58 SCR control unit
A60 Exhaust aftertreatment (ACM)
control unit
A67 AdBlue" metering device
A70 NOx sensor control unit input for
exhaust aftertreatment unit
A70 b1 NOx sensor input for exhaust
aftertreatment unit
i Introduction of engine OM 471 and exhaust aftertreatment > 09/2011 >
B37 Exhaust pressure sensor upstream
of diesel oxidation catalytic
converter
B38 Exhaust pressure sensor
downstream of diesel particulate
filter
B67 Exhaust temperature sensor
upstream of diesel oxidation
catalytic converter
B68 Exhaust temperature sensor
downstream of upper diesel
oxidation catalytic converter
B69 Exhaust temperature sensor
downstream of lower diesel
oxidation catalytic converter
B70 Exhaust temperature sensor
downstream of diesel particulate
filter
– This printout will not be recorded by the update service. Status: 09 / 2011 –
Functions
W14.40>1599>79
B73 Exhaust temperature sensor
downstream of SCR catalytic
converter
B74 AdBlue" fill level sensor/
temperature sensor
CAN 4 Drive train CAN
CAN 13 NOx>CAN
B625 Fuel pressure sensor (inlet)
B626 Fuel pressure sensor (outlet)
M25 SCR delivery pump
Y628 Fuel metering valve
Y629 Fuel shutoff valve
75