Hi everyone, does anyone have a schematic for the A 611 153 11 91 [Mercedes part number] / 0 281 011 747 [BOSCH part number] ECU, or know what signals go to the damaged pins of the connector?
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A 611 153 11 91 / 0 281 011 747 - bosch ecu
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Re: A 611 153 11 91 / 0 281 011 747 - bosch ecu
You should be able to get a service technician manual and look for that area to be able to know what pins are affected by this burn out area
One note these manuals are not cheap but you have to go to the dealership to get them
Sometimes you can get just the electrical wiring diagrams from the dealership for free or for a fee at least in this countryLast edited by sam_sam_sam; 08-02-2022, 05:14 PM.9 PC LCD Monitor
6 LCD Flat Screen TV
30 Desk Top Switching Power Supply
10 Battery Charger Switching Power Supply for Power Tool
6 18v Lithium Battery Power Boards for Tool Battery Packs
1 XBox 360 Switching Power Supply and M Board
25 Servo Drives 220/460 3 Phase
6 De-soldering Station Switching Power Supply 1 Power Supply
1 Dell Mother Board
15 Computer Power Supply
1 HP Printer Supply & Control Board * lighting finished it *
These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%
1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
2 Hem Saw Computer Stack Board
All of these had CAPs POOF
All of the mosfet that are taken out by bad caps
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Re: A 611 153 11 91 / 0 281 011 747 - bosch ecu
Originally posted by sam_sam_sam View PostYou should be able to get a service technician manual and look for that area to be able to know what pins are affected by this burn out area
One note these manuals are not cheap but you have to go to the dealership to get them
Sometimes you can get just the electrical wiring diagrams from the dealership for free or for a fee at least in this country
I was looking for the ECU's schematic because the signal lines are untraecable as they're routed on an internal layer and I wanted to solder a jumper wire to the connector to restore the damaged connection.
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Re: A 611 153 11 91 / 0 281 011 747 - bosch ecu
If this board is more than 2 layers it will be very difficult to almost impossible to repair at least this has been my experience9 PC LCD Monitor
6 LCD Flat Screen TV
30 Desk Top Switching Power Supply
10 Battery Charger Switching Power Supply for Power Tool
6 18v Lithium Battery Power Boards for Tool Battery Packs
1 XBox 360 Switching Power Supply and M Board
25 Servo Drives 220/460 3 Phase
6 De-soldering Station Switching Power Supply 1 Power Supply
1 Dell Mother Board
15 Computer Power Supply
1 HP Printer Supply & Control Board * lighting finished it *
These two repairs where found with a ESR meter...> Temp at 50*F then at 90*F the ESR reading more than 10%
1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later )
2 Hem Saw Computer Stack Board
All of these had CAPs POOF
All of the mosfet that are taken out by bad caps
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