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Réparation & Programmation des calculateurs Tout ce qui concerne la réparation soft et hard des calculateurs d'injection, bsi, uch, immobox, ezs, esl, kessy, et autres calculateurs auto.

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Old 10-07-2014, 04:05 PM   #1
sandy976
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Default reparation edc16c32 MB

bonjour a tous,

j'ai un ecu Bosch edc16 de Mercedes a reparer, ref 0281013519 ref MB A6401509079, il manque la commande d'un injecteur.
aux vues des photos ci attachées, un membre sais comment ouvri cet ecu ?
j'ai peur de forcer car je trouve que le pcb est collé particulièrement fort sur la coque alu, je prefere demander conseils...
merci d'avance,

sandy
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Old 10-08-2014, 10:47 AM   #2
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Default mosfet ecu

bonjour a tous,

j'ai ouvert l'ecu je cherche maintenant a controler les mosfet commande injecteurs.
quelqu'un saurait lesquels commandes les injecteurs ?
j'en vois 6 de type BUK 9222 55 A
il y en a aussi des autres mais je pense que je dois chercher sur les 6 en question car mon moteur est un 4 cylindres...
voici une photo du PCB, pourrais je avoir de l'aide ?
merci d'avance,

sandy
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Old 10-08-2014, 12:19 PM   #3
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Default

hello a tous,

je viens d'voir un peu plus d'info :
le diag a été realisé chez un dieseliste, capteurs pmh et aac OK
pression rampe OK
cablage faisceau injecteurs OK
relevé de defaut : DTC P2325 surveillance injecteur defaut prog/ materiel
contrôle à l'occilloscope OK sur injecteur 1 . 2 . 4 OK
commande avec pic de 0.3 Volts sur l'injecteur 3
je pense donc que c'est un mosfet qui delire, le probleme est que je ne sait pas lequel, est ce que un membre saurait me l'identifier sur la poto du post precedent ?
merci d'abvance,

sandy
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Old 10-08-2014, 12:34 PM   #4
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salut tu n'a détecté aucune coupure au multimetre ? tu peux toujours tenter de le dessouder et les un à un mais fais attention au soudures
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Old 10-08-2014, 12:36 PM   #5
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Default test transistor

regarde ça si ça peut t'aider
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Old 10-08-2014, 02:55 PM   #6
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Hello

je test et reviens informer

merci

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Old 10-08-2014, 03:01 PM   #7
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hello

en fait j'ai commandé les 6 qui se trouvent sur le PCB (0.54 euros piece aux usa livraison sous 4 jours)
je change tous et si c'est ok tant mieux sinon tant pis....
j'essaye ça pour depanner mon client, en meme temps j'y gagne un peu aussi et sinon, j'y perds pas beaucoup...

merci encore,

sandy
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Old 10-08-2014, 09:46 PM   #8
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bah oui te casse pas la tete essaye ça si ça ne marche pas trouve toi un autre ecu et swap
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Old 10-15-2014, 08:08 PM   #9
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hello
no swap possible, pas d'acces a l'eprom, elle est dans le mcu TC 1766 et celui ci n'est pas dispo a la lecture ktag...
en fait j'ai remplacé les mosfet mais le pb est identique, je sais plus quoi faire...
quelqu'un veux reprendre l'ecu ?
il est vers toulouse ou hauch , dans les environ...
moi je suis en alsace et j'ai tenté la reparation par correspondance... echec !
c'est un edc16c32 MB

sandy
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Old 01-18-2015, 06:31 PM   #10
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merci de me communiquer le mots de pass de test mosfet
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