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CAN Bus Troubleshooting

13K views 5 replies 5 participants last post by  43sqd 
#1 ·
I am working on a 2003 ML350. It has a lot of can bus communication errors. First thing I am trying to do is to check the continuity on the can bus wires, but I am unable to find Z sleeve connectors Z51/1, Z51/2, Z51/3 and Z51/4 and connector X18. I know the general location, but cant find them. Only connector I have found so far is X25/2.

I am wondering if someone can guide me or send me a picture of what they look like.
 
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