You pobably have a problem with the lamp control module , or the SCP serial data network . Vehicles that have more then one control module , like your vehicle ! The modules share info an send control messages on the data network . The door lock's are controlled by driver door module an is also on SCP network .
Communications Network Information Module
The first step in diagnosing these type problems would be to hook up a professional type scan tool . Check codes an see if the module's are all talking .
Your best bet , take it to a qualified repair shop .
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SOURCE: drivers door lock & key pad not working.
Your lock motivator on driver side front is bad, replace, it should be cheap and easy to do. Goto dealer for part. It's the part that is connected to a rod that kicks back and forth to lock and unlock door.
SOURCE: 1999 Grand Marquis remote control - no buttons work
10 year old remotes go bad often, especially due to moisture retention.
Testimonial: "Thank you, yes both(2) remotes are bad. I found a testing machine at a local auto parts store, even with new batteries the remotes do not send signal."
SOURCE: Remote Keyless Entry fob for my 2007 Suzuki XL7
Not 100% sure about Suzukis but on my ford the same happened to me and I had to program them at the same time. Hopefully this helps.
SOURCE: message says "door ajar" but no door open
There are 2 things we see on these models. 1st one is it could be a stuck door adjar switch. For this you can try and put WD40 into the latch on the side of the door, put a generous amount directly into the latch then close and open the door several times.This will un-stick a switch most of the time.
2nd thing it could be, open the door and look at the front of the opening between door and A pillar and you will see a black rubber accordian tube running between body and door,this is where the wires run from body to door. Sometimes a wire will break inside this.You can usually verify this by taking a screwdiver and trip the latch so that it shows the door closed(even though u have it open) then wiggle that harness and see if it effects the door adjar light.
SOURCE: door ajar light stays on
go to your local parts store and buy a can of PB BLASTER lubricant then open each door and spray the latch assembley really good then close and open the door 10 to 15 times. do this with each door. the door ajar light switch is located in the door latch assembley and cannot be seen so soak the latch assembleys really good so lube reaches the switch. these switches sometimes get stuck but this usually frees up the switch
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The interior lamp switch is in the ON position.
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The keyless entry transmitter unlocks the doors (illuminated entry).
When the key is removed from the ignition switch with all of the doors closed, the courtesy lights light for approximately 25 seconds before fading out.
Battery positive voltage (B+) is applied at all times through the IP fuse block CTSY LP/PWR MIR fuse 6A via CKT 640 (ORN) through the body control module (MALL) to the courtesy lights via CKT 1732 (ORN). The MALL provides a ground through CKT 156 (WHT) for the courtesy lights under the following conditions:
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The MALL receives an input from a door being opened.
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The MALL receives an input from the interior lamp being turned ON.
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The MALL receives an input from the doors being unlocked using the keyless entry transmitter.
The courtesy lamps then light.
When the courtesy lights are activated by opening and closing a door, the courtesy lights will remain on for approximately 25 seconds before fading out after all of the doors are closed. If the ignition switch is turned to START or RUN within the 25 seconds, the lights immediately begin to fade out. If a door is left open, the MALL removes battery positive voltage (B+) to the courtesy lights after 10 minutes. When the courtesy lights are activated by the interior lamp switch, the lights remain on as long as the interior lamp switch is in the ON position. When the courtesy lights are activated by unlocking the doors using the keyless entry transmitter, the lights remain on for approximately 40 seconds. If the doors are locked using the keyless entry transmitter within the 40 seconds, the lights immediately begin to fade out.
Body Control Module (MALL) Diagnostic Mode
For a detailed explanation of the MALL module diagnostic mode, refer to Body Control Module Cell 51.
What interior light ? Dome , courtesy lights etc....They don't work with switch, keyless entry , door opening ?
What
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