passenger side doorn will not unlock or lock with or without keyless entry on 2005 Infiniti FX35

the passenger side door will not lock or unlock with or without keyless entry. what do i need to look for to fix this issue?

Asked by for the 2005 Infiniti FX35
That happened to my 2005 FX35 about a year ago. It was my actuator that had to be replaced.