Bus Mercedez Benz 904 ECU wiring diagram

**elecautocr** · 21st October, 2010, 08:51 PM

Hello members:

I need the wiring diagram for Bus Mercedez Benz 904 ECU. Engine is MD0141860. I am attaching picture of ECU. Thanks very much for you help

**zozi** · 2nd November, 2010, 06:07 AM

Enjoy

**elecautocr** · 2nd November, 2010, 03:38 PM

Thanks very much

**joshplianfield** · 2nd November, 2010, 05:24 PM

just to let you know there is another computer inside the vehicle for things like cruise, engine brake,throttle etc.., what kind of issues are you having? just curious.

**elecautocr** · 2nd November, 2010, 06:42 PM

Engine don't start, ecu is full with oil and water !!!!, I just want to test basic things in bench

**joshplianfield** · 2nd November, 2010, 11:57 PM

Originally Posted by elecautocr

Engine don't start, ecu is full with oil and water !!!!, I just want to test basic things in bench

the ecu was filled with oil and water, yikes!

**zozi** · 3rd November, 2010, 12:27 PM

Check the following if you do not rotate engine

ECM plug connection X1 [16pin]

pin5-terminal 30
pin6-terminal 30
pin8-terminal 50 [input]
pin9-terminal 31 [ground]
pin11-terminal 31 [ground]
pin12-terminal 50 [starter actuation]
pin15-terminal15

**ZZINHO UITEC** · 30th November, 2010, 12:46 PM

It would like to know if somebody has scania information on repairs of ECU of trucks Mercedes and volvo to share debtor

**lakemake** · 9th February, 2011, 05:17 PM

Thanks very much

**peter21** · 10th February, 2011, 05:14 AM

hi guys, maybe someone can help me with the boot pins for the PLD and VCU, the engine is a MBE 906...... thanks in advanced...

**zozi** · 20th February, 2011, 01:42 PM

This is a must for you. Originally Galetta TO 1250
I hope I helped

**peter21** · 22nd February, 2011, 05:02 AM

thank you sooo much buddy for the help,

maybe can help me too for boot pin of the VCU, i need update the software from 1.0 to 14.00..... the VCU is mounted on freightliner truck, model bussines class....