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ecurepairhome [2009/02/06 09:29]
twdorris
ecurepairhome [2012/03/21 10:08]
twdorris
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 ====== ECU damage/​repair ====== ====== ECU damage/​repair ======
-This page is a collection of pages we're putting together ​to document ECU damage and repair concerns. ​ We often receive ECUs that have significant corrosion from caps leakage or have severely botched socket jobs.  We want people to see these pictures so they can evaluate their own ECU before it's even sent to us.  We're hoping this will reduce the shock factor later when the ECU arrives here and we have to break the bad news.+This page is a collection of pages to document ECU damage and repair concerns. ​ We often receive ECUs that have significant corrosion from caps leakage or have severely botched socket jobs.  We want people to see these pictures so they can evaluate their own ECU before it's even sent to us.  We're hoping this will reduce the shock factor later when the ECU arrives here and we have to break the bad news.
  
 If you see that your ECU has problems, contact us offline to arrange for an estimate and/or repair.  ​ If you see that your ECU has problems, contact us offline to arrange for an estimate and/or repair.  ​
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 \\  \\ 
 Motto: Friends don't let friends (or incompetent shops for that matter) socket their ECUs. Motto: Friends don't let friends (or incompetent shops for that matter) socket their ECUs.
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   * [[Corrosion03|Example #3]] - A partially disassembled ECU to show just how extensive caps leakage can be   * [[Corrosion03|Example #3]] - A partially disassembled ECU to show just how extensive caps leakage can be
   * [[Corrosion04|Example #4]] - Just a collection of corrosion pictures to show more examples of what to look for.   * [[Corrosion04|Example #4]] - Just a collection of corrosion pictures to show more examples of what to look for.
 +  * [[Corrosion05|Before/​after]] - What an ugly ECU looks like before and then after service here
   * [[Corrosion2G01|2G Example #1]] - The 2G (1995) ECUs are also starting to show signs of damage!   * [[Corrosion2G01|2G Example #1]] - The 2G (1995) ECUs are also starting to show signs of damage!
   * [[GoodCorrosion01|Good Example #1]] - Pictures of some nice boards for comparison   * [[GoodCorrosion01|Good Example #1]] - Pictures of some nice boards for comparison
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 \\  \\ 
 Motto: Replace those caps **and** clean up the corrosive residue! Motto: Replace those caps **and** clean up the corrosive residue!
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 These are examples of various types of damage (or general problems) we see here.  Use this to help get an idea of what might be wrong with your own ECU when you are experiencing difficulties. These are examples of various types of damage (or general problems) we see here.  Use this to help get an idea of what might be wrong with your own ECU when you are experiencing difficulties.
  
-  * [[Driver01|Blown ​ISC driver]] - A bad ISC (idle stepper control) motor can damage the driver inside the ECU+  * [[Driver01|Blown driver ​chip]] - A bad ISC (idle stepper control) motor, for example, ​can damage the driver inside the ECU 
 +  * [[Voltage01|Overvoltage]] - This is what happens when caps leak bad enough to destory voltage regulation inside the ECU. 
 +  * [[SpaghettiWires|Spaghetti wires]] - Ever heard of "​spaghetti code"? ​ Well, here's the ECU rework equivalent.
   * [[ECU1GID|1G ECU identification]] - Every once in a while, someone will send us a strange ECU or an ECU with a mixed bag of parts. ​ This page includes some tips to help ID these goofy things.   * [[ECU1GID|1G ECU identification]] - Every once in a while, someone will send us a strange ECU or an ECU with a mixed bag of parts. ​ This page includes some tips to help ID these goofy things.
 +  * [[reversepowered2g|Reverse power]] - How to check a 2G DSM ECU for the relatively common problem of having reversed the polarity of battery cables while attempting to jump start the engine.
  
 ===== Other shops ===== ===== Other shops =====
ecurepairhome.txt · Last modified: 2019/06/01 14:15 by twdorris