I am having a problem with the passenger side power door lock on a 1997 civic hx. The door lock was frozen so it couldn't be locked manually. The problem turned out to be a bad / frozen actuator. My friend and I changed it out with a known good actuator. The door will lock now with the key or the interior button but still will not lock when hitting the switch on the driver's side. The driver's side door locks. I checked the interlock unit fuse. It's good. Need some help.

Are there any relays that control each door seperately that might be bad? Also, it is a used car and I don't know if it had keyless entry. It did not come with a remote. Would it affect anything if it had the keyless entry control box? Help me out with some diagnosis please.

 

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