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W212 ESZ Problem
15-05-2023, 22:42 PM,
Post: #1
W212 ESZ Problem
Hello guys , hope someone can help me with my problem.


Got an W212 with A2129055600 ESZ , that have a problem. Don't recognize the key when is inseret. I had tested with CGDI , all other position are working but KEY INSERED no't show.

Now i have another ESZ but i cannot clone it , becuase i cannot compute the password , because CGDI cannot find see the key is inseret in the ESZ. 

Allready tried to mesure the current on the led diode , and when the key is insered it's change it to 9V aprox , if i remove the key the current is about 1V. Is there any other way to "fix" this problem , just till i read the password so i can clone the ESZ ? 

Thank you
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16-05-2023, 07:33 AM,
Post: #2
RE: W212 ESZ Problem
(15-05-2023, 22:42 PM)DaBotta Wrote:  Hello guys , hope someone can help me with my problem.


Got an W212 with A2129055600 ESZ , that have a problem. Don't recognize the key when is inseret. I had tested with CGDI , all other position are working but KEY INSERED no't show.

Now i have another ESZ but i cannot clone it , becuase i cannot compute the password , because CGDI cannot find see the key is inseret in the ESZ. 

Allready tried to mesure the current on the led diode , and when the key is insered it's change it to 9V aprox , if i remove the key the current is about 1V. Is there any other way to "fix" this problem , just till i read the password so i can clone the ESZ ? 

Thank you
hi,

can you read the ESZ data? and does the car have an ELV?
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16-05-2023, 08:35 AM,
Post: #3
RE: W212 ESZ Problem
(16-05-2023, 07:33 AM)MahoJohn Wrote:  
(15-05-2023, 22:42 PM)DaBotta Wrote:  Hello guys , hope someone can help me with my problem.


Got an W212 with A2129055600 ESZ , that have a problem. Don't recognize the key when is inseret. I had tested with CGDI , all other position are working but KEY INSERED no't show.

Now i have another ESZ but i cannot clone it , becuase i cannot compute the password , because CGDI cannot find see the key is inseret in the ESZ. 

Allready tried to mesure the current on the led diode , and when the key is insered it's change it to 9V aprox , if i remove the key the current is about 1V. Is there any other way to "fix" this problem , just till i read the password so i can clone the ESZ ? 

Thank you
hi,

can you read the ESZ data? and does the car have an ELV?

Yes i can read it , but cannot compute the password , becasue the ESZ don't see when the key is inseret.
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16-05-2023, 09:55 AM,
Post: #4
RE: W212 ESZ Problem
(16-05-2023, 08:35 AM)DaBotta Wrote:  
(16-05-2023, 07:33 AM)MahoJohn Wrote:  
(15-05-2023, 22:42 PM)DaBotta Wrote:  Hello guys , hope someone can help me with my problem.


Got an W212 with A2129055600 ESZ , that have a problem. Don't recognize the key when is inseret. I had tested with CGDI , all other position are working but KEY INSERED no't show.

Now i have another ESZ but i cannot clone it , becuase i cannot compute the password , because CGDI cannot find see the key is inseret in the ESZ. 

Allready tried to mesure the current on the led diode , and when the key is insered it's change it to 9V aprox , if i remove the key the current is about 1V. Is there any other way to "fix" this problem , just till i read the password so i can clone the ESZ ? 

Thank you
hi,

can you read the ESZ data? and does the car have an ELV?

Yes i can read it , but cannot compute the password , becasue the ESZ don't see when the key is inseret.

and ELV? the car have elv or not?
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16-05-2023, 09:57 AM,
Post: #5
RE: W212 ESZ Problem
Remake solder joints on the PCB ,common problem on W212 eis,had like 20 done so far .

thank me later biggrin
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16-05-2023, 10:27 AM,
Post: #6
RE: W212 ESZ Problem
Try compute as all key lost
regards

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17-05-2023, 07:03 AM,
Post: #7
RE: W212 ESZ Problem
(16-05-2023, 10:27 AM)raffy haddad Wrote:  Try compute as all key lost
regards

How to do that , if the ESZ don't recognize if the key is inseret or not. Even AKL need to insert the simulation key , and on that point everything stops wink

@12manux wich one's  ?
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17-05-2023, 08:03 AM,
Post: #8
RE: W212 ESZ Problem
(17-05-2023, 07:03 AM)DaBotta Wrote:  
(16-05-2023, 10:27 AM)raffy haddad Wrote:  Try compute as all key lost
regards

How to do that , if the ESZ don't recognize if the key is inseret or not. Even AKL need to insert the simulation key , and on that point everything stops wink

@12manux wich one's  ?

Remove the cover of EIS ,there are pins of the plug insterted into PCB but they re not soldered,solder them on the pcm and clean with alcohol
Reputation: +1 - raffy haddad [+1]
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