When I try to use the lock on the drivers side to lock all doors, or unlock, it fails and I have to do it manually.

Is it a fuse problem?

Thanks,

Deaf

If the locks work from the other button, it's not likely to be a fuse. Does the passanger switch work?? Does the driver's door switch just do nothing??

 

Yes the manual lock works fine. So do all the other locks.

But if I use the master lock to lock or unlock then the passenger side (front door) does not work.

Thanks,

Deaf

 

I'm still confused; you need to provide more details.
- Does each door manually lock/unlock with its door button near the handle? If not, which door does not work?
- Will all of the doors lock/unlock from the driver's side lock switch? If not, which door does not lock/unlock?
- Will all of the doors lock/unlock from the passenger's side lock switch? If not, which door does not lock/unlock?
Given this level of detail, maybe we can help point you in the right direction.

 

Ok.

All 4 doors work fine manually when you press the lock/unlock control that is on the doors.

Three of the 3 doors work fine on 'automatic' when you press the master control to lock or unlock all 4 doors.

But the front passenger side door won't lock or unlock when you press the master control for all 4 doors.

Thanks,

Deaf

 

OK - making some progress.
- Does the "master" lock/unlock switch on the passenger door lock/unlock the other three doors?
- When you press either of the "master" lock/unlock switches, can you hear the lock motor in the passenger door try to operate?

If you can hear the lock motor trying to operate, then all of the switch and electronic stuff is good and the motor is bad and will need to be replaced.

If you can't hear it trying to move, the motor could still be bad and just not moving at all. Or there could be a break in the two wires that connect the motor to the control computer (most likely in the wiring boot that carries the wires from the body to the door.)

In either case, you are going to have to remove the door panel to access the door lock motor (also called a door lock solenoid) to test and/or remove/replace it. After you have the door panel off, you will need to unplug the motor and use a volt meter or test light on the connector from the car to see if you have voltage when the lock switch is pressed. If you do, the motor is bad; if not you have other testing to do to find the break in the wire. Good luck.

 

- Does the "master" lock/unlock switch on the passenger door lock/unlock the other three doors?

There is no master lock switch on the passenger side.

- When you press either of the "master" lock/unlock switches, can you hear the lock motor in the passenger door try to operate?

No. We can't hear or feel any movement in the passenger side.

Ok, is it easy to take the door panel off? Never done that before.

Thanks!

 

There is no master lock switch on the passenger side.

Poor choice of words on my part. No "master" panel, but I believe there is a switch to lock/unlock all of the doors on the front passanger door. Does that switch operate all of the door locks but the front passenger one?
No. We can't hear or feel any movement in the passenger side.

Ok, is it easy to take the door panel off? Never done that before.

I haven't taken off that door panel in this car, but have done a number of others - so here are some generic instructions:
- Lower the window glass.
- Look for a screw in plastic piece behind door release handle - take it out, then remove the plastic piece.
- Look for one to three large screws holding the armrest on; probably have to pry off small round or oval plastic pieces that cover them up - take them out.
- Look for any other screws in the surface of the door panel; again, they may be covered with plastic trim pieces - take them out.
- Look for a screw in the bottom of the plastic "cup" where you put your fingers to pull the door closed when sitting in the car; again may be covered with round plastic piece - take it out.
- There are usually plastic pins along the perimeter of the door that hold it in. Start at bottom of door; slide a trim tool or a large screwdriver between the door panel and the door and pry them apart. Once you get the first one out, you can ususally use your fingers to pull the panel loose around the bottom and sides, Just pull far enough to get the panel loose around the bottom and sides.
- Grab the panel at the sides and push it upward. Usually there is a lip on the panel that fits over the edge of the window opening; once you unhook that the panel should be free of the door. BUT WAIT!!
- Now RAISE the window glass!
- You still have electrical connectors (lock switch, window switch, courtesy light, others?) that have to be unhooked before you can move the panel completely out of the way.
- There will be a plastic weather seal over the door openings, usually held on by some black sticky stuff. Figure out where the door lock motor is inside the door and peel back the plastic there.
- Unplug the wiring connector from the motor; use a test light or DVM to determine if you get voltage at one of the wires when the lock button on the drivers door is pushed; you should get voltage on the other wire when the unlock button is pushed. If you do, the motor is bad and needs to be replaced. If you don't, then most likely whichever one of those wires that did not show a voltage is broken somewhere between the connector and body computer. Most likely place for breaks is in the wiring bundle between the door and the body.

Good luck!
Thanks!

 

Poor choice of words on my part. No "master" panel, but I believe there is a switch to lock/unlock all of the doors on the front passanger door. Does that switch operate all of the door locks but the front passenger one?

On the passenger door there is but one switch for the door and it only unlocks the door on the passenger side. No universal switch for all doors (as on the drivers side.)

Bob, will do and see if I can get the whole panel off.

Thanks again!

 

On the passenger door there is but one switch for the door and it only unlocks the door on the passenger side. No universal switch for all doors (as on the drivers side.)

Bob, will do and see if I can get the whole panel off.

Thanks again!

That is strange. My XLS has a rocker switch on the passenger arm rest, just in front of the electric window switch, that locks/unlocks all of the doors. Every car I have ever had with power locks has had a lock/unlock switch on both the driver and passanger side (except my wife's BMW, which has one switch in the center console).