Question about 1994 Buick LeSabre

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94 LeSabre. Crank, No start. No power lock, window, or seat op. Under driver seat faint buzz when pushing door lock button.

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Hi


Thanks for using FixYa. First of all you’ll need to check battery voltage, recharge it if it is low or jump start with another battery charger. Inspect, clean and tight both ends of all battery cables. Also check, clean and tight wiring connections. Check for voltage at relay and all the fuses. If relay has voltage but there is no "click" when key is turned to start, replace relay. Remove starter and inspect drive gear and flywheel teeth. Check to see if voltage reaches starter relay/solenoid when turn to start. If not, check for open P/N switch and brake or clutch pedal switch. Replace the part(s) which are defective. Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Posted on May 08, 2010

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Posted on Jan 02, 2017

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1 Answer

Where is the control module for the windows and locks etc.


The vehicle is equipped with power door locks. Each lock actuator is powered and controlled by the door module mounted in the individual door. The driver door module (DDM) is the master control for the door lock system but the rear integration module (RIM) contains the program that determines when the lock functions are permitted. ( RIM ) is rear integrated module , under the back seat . Also a fuse box is also located under the back seat.
The door lock operation modes are controlled by the rear integration module (RIM). The RIM examines the requested function from the DDM, or the remote function actuator (RFA), as well as the transmission shift selector position and the ignition switch position information available over the Class 2 serial data circuits. The RIM determines if a locking function is permitted, and commands the DDM to perform the function permitted. The DDM then sends commands to the rest of the door modules via the SBI to implement the selected locking function.
The vehicle is equipped with power windows controlled by the door modules. The DDM receives a window switch request, over the SBI serial data, from either the passenger door module wired to the window switch pressed or from the driver door switch assembly. The DDM checks the Class 2 serial data to see if the status information is correct (i.e. ignition switch position) to permit window operation.
Your best bet is take the vehicle to the dealer or a repair shop that knows how the system works . Are you familiar with GM class 2 serial data communication network ? You could inadvertently render your vehicle unable to start an run if the class 2 bus were to become shorted to ground .
You
Buick Class 2 Operation Diagnosis 1998

May 03, 2016 | 2000 Buick LeSabre

1 Answer

My door locks do not work and the electric seats do not work but the interior lites come on and the trunk release works, Relay clicks


The first two, the seats and the locks, should be a fuse, but might be a relay.
That fuse may be under the hood, or inside the black plastic fuse and relay box under the hood.
Since the locks and seats take a considerable amount of current, a relay is the more common problem.
Share the year of your car.

Apr 05, 2016 | Buick LeSabre Cars & Trucks

1 Answer

2000 buick lesabre all windows not working also door locks trunk release and radio speakers? fuses all check good could it be the drivers door module?


if the drivers door window works you probably have a open in the serial data line.i have found the data line corroded under the drivers seat causing this problem on other vehicles.you need to check for continuity on the data line between the driver door module and either one of the other door modules.the data line is tan with a white stripe.if it does not have continuity it is probably corroded under the drivers seat beneath the carpet.keep posted.

Mar 07, 2011 | 2000 Buick LeSabre

3 Answers

2000 Buick Lesbre - Intermittant electrical: Door


THE PROBLEM SOUNDS LIKE LOOSE WIRING CONECTIONS IN THE DRIVERS DOOR , BEST THING TO DO IS HAVE A LOOK OPEN UP DOOR PANEL AND CHECK ALL CONECTIONS, GOOD LUCK

Oct 22, 2009 | 2000 Buick LeSabre

1 Answer

My car will crank but if i hit the power locks it will die.


Do you have an alarm/anti-theft device? It sounds like that is malfunctioning and causing the problem. When you hit the locks, it's enabling the ignition lock because the anti-theft thinks someone is trying to steal the car. Disable the anti-theft (pull the fuses or whatever you have to do) and give it a try. FYI, power locks and windows on GM cars are notorious for wearing out and not working after 10 years or so. Every GM I've ever owned has had this problem. Windows go up and down really slow and locks will not always engage. The locks not locking could be a separate issue.

Jun 16, 2009 | 1994 Oldsmobile Eighty Eight

2 Answers

1996 olds 88 won't start


callme at affordable auto service 724-575-2821 ask 4 jason.......

ps: i know what your problem is..

May 29, 2009 | 1996 Oldsmobile 88

1 Answer

Fuses or switches or motors?


the wirring that goes to the door may have breaks in it, if so they will need to be repaired. would start to look at the drivers door.

Apr 16, 2009 | 1995 Buick LeSabre

1 Answer

Need instructions for replacing 94 Buick LeSabre window module.


2002 BUICK LESABRE REAR DRIVER SIDE DOOR POWER WINDOW UP CABLE IS OFF TRACK WINDOW WILL NOT STAY UP HOW CAN I REPAIR THAT

Dec 29, 2008 | 2005 Buick LeSabre

4 Answers

2004 Jeep Grand Cherokee driver side power windows do not work


I had the same problem with now power to windows, mirrors and seat. The common soulution is the orange and or black wire in the boot have broken between the door and post.

Nov 25, 2008 | 2004 Jeep Grand Cherokee

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