w639 ecu pin out

[rokibar]

in my garage come vito 111cdi which no start and no communication with ecu.
need ecu pin out and ecu reley position please.
car: vito 111cdi from 2004
engine: 2148/80
ecu bosch A 611 153 53 79
0 281 011 180
two connectors
this morning car had communication wth ecu and starts but after fault codes cleared no more communication and no cranck. other modules have communication with diag. the car have esl emmulator and no faults in ezs.
thanks in advance.

[kareszka]

Hi !
This is common problem with vito EDC16 ecu . First check CHK in ecu , than replace 30458 or 30460 IC , and reball MPC 556 (MPC555) mcu .
For me this solve this problem . Ecu pinout same as mercedes EDC 16 .
But important after this you need check e-box cooling.
BR

[rokibar]

ecu sends ground signals at all reles but at releys f41 and k6 missed 12v. for whats are this releys?

[kareszka]

Hello !
I hope this help . K79 ignition main relay , K46 motor ecu relay

[rokibar]

of course it help. thank you