I'm having a problem with my lock system. When I lock my doors or unlock them the passenger doors always do the opposite of the driver's door. So the drivers door is locked when the other three are not or unlocked while the other three are locked. It drives me nuts because I have to lock the passenger doors with the remote and then I have to lock the drivers door manually with the key. This is the only way for all the doors to be locked at the same time. I had a mechanic say the problem is in the rear left passenger door and that it's the "coil." This was all he said and told me I could look it up on the internet. I haven't been able to figure out what exactly this is or find what kind of coil this is. Does anyone know what this part specifically is called? Or how to fix this problem?

 

there's a lot of different fuses and relays for the locks. first check all fuses in the fuse box. theres a fuse and relay chart on the botom of the fuse box lid.

 

I've checked all the fuses and they are fine I believe its a problem with the actual door lock mechanism.