Mercedes W204 C220cdi 722.9 Transmission ECU

[looly]

Hi

Does anyone have the pinout for the round 13 pin connector pls? I have no comms with the gearbox ecu so would like to check power supply to it first.

Any help would br greatly appreciated

Thanks

[smayer]

722.9 don´t have this plug, maybe 722.6

[ivarf]

Normal 722.9 Have 5 pins like this:

1 = CAN C High
2 = CAN C Low
3 = to Diagnostic X11/4 according to wiringdiagram
4 = circuit 87 (relay & fuse depending onmodel)
5 = circuit 31

13 pins meens 722.6 normally.
Attatched pinout

BR

Ivar

[looly]

Yes you are both correct, it is 722.6 not .9 thanks

Where does this module get power feed from then as i cant see 12v on pinout?
Thanks

[figani]

see this picutre pin 6 and or pin 7