NefMoto > Technical > Reverse Engineering > ADC channels Bosch ME 7.5. 4b0906018dc
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Author Topic: ADC channels Bosch ME 7.5. 4b0906018dc  (Read 2159 times)
Nik62
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« on: February 13, 2026, 08:05:14 AM »
Hello everyone, I've discovered several unconnected ADC input channels. I want to use them to record additional sensors, such as oil pressure, fuel pressure, etc. I also want to connect, for example, four EGT sensors.
I found the addresses that store ADC results for channels AN0-AN15 in the c167cr processor itself using IDA (f820-f802). They are set in hardware; this isn't described in the c167cr control panel.
There are 16 additional ADC channels located on an external driver. I'm having trouble determining the addresses of these channels because I couldn't find the direct addresses in IDA.
Can anyone tell me how to find the addresses of these channels?
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BlackT
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« Reply #1 on: February 17, 2026, 07:08:55 AM »
You can use rear 02 ADC, second pressure sensor ADC, ADC for radiator outlet temp
EGT is measured by frq so you can use that input also

For get to aditional ADC chanel I didn't make it. Can't even trigger aditional output if is not allready defined in software. But didn't have time to investigate
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BlackT
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« Reply #2 on: February 17, 2026, 07:27:45 AM »
http://nefariousmotorsports.com/forum/index.php?topic=2283.45
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Nik62
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« Reply #3 on: February 18, 2026, 12:09:51 AM »
Quote from: BlackT on February 17, 2026, 07:08:55 AM
You can use rear 02 ADC, second pressure sensor ADC, ADC for radiator outlet temp
EGT is measured by frq so you can use that input also

For get to aditional ADC chanel I didn't make it. Can't even trigger aditional output if is not allready defined in software. But didn't have time to investigate

Thank you. I've already used all the channels you listed. I also used the ADC of the vacuum sensor and the fuel tank leak sensor.
By the way, I found all the ADC addresses on the external ASIC driver.
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BlackT
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« Reply #4 on: February 18, 2026, 08:37:59 AM »
Quote from: Nik62 on February 18, 2026, 12:09:51 AM
Thank you. I've already used all the channels you listed. I also used the ADC of the vacuum sensor and the fuel tank leak sensor.
By the way, I found all the ADC addresses on the external ASIC driver.
would you like to share? Don't really need so much adc input but would like to know how to reach them
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veigy
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« Reply #5 on: February 18, 2026, 04:20:11 PM »
Quote from: BlackT on February 17, 2026, 07:08:55 AM
second pressure sensor ADC, ADC for radiator outlet temp

Hi, can you describe more these inputs? By the second pressure sensor you mean "Druck fur Bremskraftverstarker"? Thanks
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Few ME7 related tools: https://github.com/veigy (XDF translator, ESKONF GUI, XDF transfer tool)
Nik62
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« Reply #6 on: February 20, 2026, 12:00:08 AM »
Quote from: veigy on February 18, 2026, 04:20:11 PM
Hi, can you describe more these inputs? By the second pressure sensor you mean "Druck fur Bremskraftverstarker"? Thanks

Of course, as soon as I get to the laptop where I saved these addresses)))
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BlackT
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« Reply #7 on: February 21, 2026, 01:26:01 PM »
Quote from: veigy on February 18, 2026, 04:20:11 PM
Hi, can you describe more these inputs? By the second pressure sensor you mean "Druck fur Bremskraftverstarker"? Thanks

udsbkv_w
    "Spannung Drucksensor Bremskraftverstärker"
 
0x380F4E is adress in 8E0909518AL 005
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veigy
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« Reply #8 on: February 24, 2026, 11:30:56 AM »
Thanks, that is exactly what I meant and planning to use for measuring EMP/Pressure drop or Oil pressure... What is the acronym for "radiator outlet temp"? I'd appreciate the ability to measure oil temp as well....
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Few ME7 related tools: https://github.com/veigy (XDF translator, ESKONF GUI, XDF transfer tool)
BlackT
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« Reply #9 on: March 02, 2026, 05:13:36 AM »
only this

uagrvh_w
    "Spannung der AGR-Lagerückmeldung"

Pin 101
ECU_ADDRESS 0x380F46
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