Infiniti FX Forum : FX35, FX45 and FX50 Forums - Reply to Topic
Thread: Power Door Lock Switch Malfunction, 2008 FX35 Reply to Thread
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  Topic Review (Newest First)
10-25-2017 08:21 PM
DatMan No auto door locks. I got a module that did it for me, and then took that module out when I installed a remote start with alarm package, and it has an option to lock the doors when you start the ignition and unlock them when the ignition is off, so that's what I use now...
10-25-2017 06:24 AM
porkchop
Everything works again

Thanks again to all that have replied. Lo and behold, all my door lock functions on the master switch work correctly now. Here's what happened. I was searching for info and found another video of how to program automatic door locks. By the way, does an '08 FX35 have automatic door locks, meaning like when I get up to a certain speed, all the doors lock automatically ? Mine does not do that. My previous Jeep did and I miss that function big time. O.K. so after watching the video I went out and went through the process of programming the "auto lock" feature which appeared to do nothing, but all of a sudden both door lock switches are working fine now. I', happy, but would be a lot happier if I had auto door locks.
10-25-2017 05:53 AM
porkchop
Removing Power Door Lock Switch on Driver's Door

Does anyone know how the remove the master door lock/power window switch ? After watching a video on you tube, I'm under the impression it can simply be pried out from the top of the arm rest, and I do not need to pull off the door panel.
The video I found on you tube was about 21 minutes long showing how to replace the actuator in the driver door. It was a continuous video with no cut away. The guy in the video started with a completely assembled door, took it apart and replaced the actuator and had it all back together in about 21 minutes. Like I said, there were no cut aways in the video, the video appeared to a continuous feed, all real time from start to finish. After watching the video I can tell you one thing for sure, this job on the FX is definitely easier and quicker than on a Cadillac Allante.
10-25-2017 05:51 AM
porkchop Thanks for the input everyone. As I stated earlier all actuators are working fine. The only problem with the door locks is that the switches (the ones inside on the arm rests, not the buttons on the exterior handles) on both front doors will not unlock the doors. Since all 5 actuators (4 doors and rear hatch) work as they should, it leads me to believe the problem is in the master switch. Master switch went bad in my Cadillac Allante, which caused the passenger side to not work as well. I'm assuming the FX is the same way.
10-21-2017 11:38 PM
DatMan Oh... And it's not a fuse... If a fuse had blown in connection with the actuator, you'd be getting ZERO from them (no opening OR closing)... It's like if your headlight fuse blows... You can't turn them on but not off... They're just dead till you replace the fuse...
10-21-2017 11:37 PM
DatMan Nobody knows for sure, but it seems when one actuator starts going, it affects the others... If you can fix the bad one, they all seem to work again (even if all were acting weird before)... In most cases, it would be the driver's side door actuator, as that one usually gets more use than the others, so it is the most likely to go bad first... But this isn't always the case...

I would still say you're having actuator issues... I've heard of similar things before that were finally fixed after "fixing" or replacing 1 or more actuators...
10-19-2017 09:59 AM
porkchop I forgot to mention, my car has the smart key. All the door locks work with the button on the smart key as well as the push buttons on the door handles. That leads me to believe the problem is in the master switch on the driver door. Apparently all the actuators are working properly. I have another car that the master switch went bad on which caused the passenger door lock switch to no work as well. I assume the Infinity operates the same way. Any thought on this ? Thanks.
10-19-2017 02:21 AM
porkchop
Fuse

Since the owner's manual has no diagram of the fuse box and I don't have a service manual yet, is there by chance that there's two fuses for the door lock switch ? As mentioned previously, the switch will "lock" but will not "un-lock" the doors, and I hear no sound when pressing the un-lock switch. This is happening in both doors and they both messed up at the same time. Thanks for a reply.
10-17-2017 08:52 PM
JonFull2005FX35 I've owned my FX35 since new (First Gen, 2005); I've had to have all lock actuators replaced. Driver's door at 88,006 miles ($561.90); Lift gate at 101,070 miles ($620.90)l Front passenger, Both Rear door lock actuators at 103,778 miles ($1,776.65). sure wish I'd been on this Forum when these issues occurred, as I would have tried to replace myself since the cost of labor/parts were atrocious.
10-16-2017 10:17 PM
DatMan Sounds like your actuators might be acting up...

Search the site for "actuator" and you'll learn a bunch...

Here's one thread:

https://www.infinitifx.org/56-1st-gen...-actuator.html

You can try cleaning them, or replacing them with aftermarket actuators... OEM aren't worth the price really...
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