seat removal when electric not working?

Talk about the 406's electrical system, what wires do what, how to add extra functionality, etc.

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gray
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seat removal when electric not working?

Post by gray »

Hello guys/gals in the forum , i am new here my name is Gray and i have a 2000 406 saloon with leather seats. one electric seat is not working in any way and the other is fine.
how do i remove the seat to get to all the electrics when i can't get to the bolts because the seat wont move.
is there a manual release?
any suggestions?
Last edited by gray on Tue Nov 05, 2013 1:35 am, edited 1 time in total.
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Re: seat removal when electric not wotking?

Post by Doggy »

Have you checked for a blown fuse / disconnected plug and the like?

Does it make any attempt at moving? (There are 4 separate motors involved, do any of them move, or make a noise when operated)?

Mine had one of the up/down drives on the driver's set not working when I got it - turned out to be a flexible drive detached, but it just plugged back in.
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Re: seat removal when electric not wotking?

Post by steve_earwig »

Is it the driver's memory seat in question? I don't think there's any quick release or anything, you'll probably have to fault it where it is I'm afraid.
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Re: seat removal when electric not wotking?

Post by Puggy2 »

Usually the passenger one that fails through lack of use I think if the plastic side panel is removed some of the motor spindles are visable. Iain
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Re: seat removal when electric not wotking?

Post by markw »

It's very unusual that all motor functions are lost at the same time.
Check for power at the connector under the seat (after testing the fuse of course). Prove that the earth return is sound as well....

Pop the switch panel off the side of the seat and see if either the 12v +ve in or the earth return out has detached itself from the copper pads on the rear of the switch, either of which would kill all motor functions.

If it's a memory enabled seat you're talking about, it's power is controlled by the BSI unit so try a BSI reset to see if it restores things.
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gray
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Re: seat removal when electric not wotking?

Post by gray »

the car is new to me only had it 1 week so i am learning new things everyday. please be patient with me.
i have checked the fuse seems fine- is there individual fuses for each front seat?
because the other seat works fine

as there is a bunch of connections under the seat as i can see everything looks connected, all 4 motors do not operate, and yes it has memory.
where is the main connector for the incoming power and ground that i can check

the back of the switch is in great condition and all the copper connection are like new

where is the BSI and how do i reset it?

thanks for all your help so far

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Re: seat removal when electric not working?

Post by jasper5 »

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Re: seat removal when electric not working?

Post by steve_earwig »

Each seat has its own fuse (16 & 17). Ah, so it's the driver's memory seat in question yes? So, among all the other possibilities, there's also the possibility that the ecu (under the seat) is toast.

And I don't think a BSI reset will do anything, there's only 1 fuse inside for the seats and the ecu is exactly the same as a D8's, so I suspect that all the BSI can do is read faults on it.
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Re: seat removal when electric not working?

Post by gray »

steve_earwig wrote:Each seat has its own fuse (16 & 17). Ah, so it's the driver's memory seat in question yes? So, among all the other possibilities, there's also the possibility that the ecu (under the seat) is toast.

And I don't think a BSI reset will do anything, there's only 1 fuse inside for the seats and the ecu is exactly the same as a D8's, so I suspect that all the BSI can do is read faults on it.
so it turns out that there are no fuses in 16&17 not even the metal connectors beneath so i am assuming this car didn't come with leather seats and the PO put them in himself as a retrofit

would anyone know from my ser# vf38brfv480961002 and any other info about my car

maybe its not even a year 2000?

so i will have to look into where the power is coming in to the other seat as well maybe the connection is lost for drivers seat
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Re: seat removal when electric not working?

Post by steve_earwig »

406 (RESTYLING) 4 DOOR SALOON 2.0 i 16v 135 4-SPEED AUTOMATIC GEARBOX
Build code 08383 89

Built Sat 23 Oct 1999 at Sochaux France

Looking with the right RPO now, check fuses 22, 16 & 8

To move the seat pull the orange connector off. You'll need to check the codes on the wires to find the right terminals but you're looking for where wires 6320 & 6325 connect on the socket. You'll need to carefully apply 12 volts to them and it should make the motor turn and move the seat backwards and forwards.
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Re: seat removal when electric not working?

Post by gray »

steve_earwig wrote:406 (RESTYLING) 4 DOOR SALOON 2.0 i 16v 135 4-SPEED AUTOMATIC GEARBOX
Build code 08383 89

Built Sat 23 Oct 1999 at Sochaux France

Looking with the right RPO now, check fuses 22, 16 & 8

To move the seat pull the orange connector off. You'll need to check the codes on the wires to find the right terminals but you're looking for where wires 6320 & 6325 connect on the socket. You'll need to carefully apply 12 volts to them and it should make the motor turn and move the seat backwards and forwards.

so it has a 50 amp fuse in #8 slot and all others are empty, but the 50 amp fuse runs the passenger seat and fuse is good
Do you think the same fuse runs the drivers seat as well?
so im kinda happy that these seats were probably intended in this car!

will check more tomorrow on those power leads 6320 & 6325
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Re: seat removal when electric not working?

Post by steve_earwig »

Oh bluddy useless wiring diagrams - it doesn't even show me the passenger seat!! :evil:

Leather was in your car's characteristics and it's an SV, which is the rest of the world's equivalent to a UK executive so I'd think it came with it.
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gray
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Re: seat removal when electric not working?

Post by gray »

Had a major power steering leak that I had to fix so I have been tied up. But now I'm going to be back on this drivers seat electrical. Will let ya know how it goes
Gray
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Re: seat removal when electric not working?

Post by gray »

steve_earwig wrote:Each seat has its own fuse (16 & 17). Ah, so it's the driver's memory seat in question yes? So, among all the other possibilities, there's also the possibility that the ecu (under the seat) is toast.

And I don't think a BSI reset will do anything, there's only 1 fuse inside for the seats and the ecu is exactly the same as a D8's, so I suspect that all the BSI can do is read faults on it.


So i cant find any power under the drivers seat an there is lots of connections , under the dash is the bsi and all the fuses look good. What else should i do? Is a BSI reset worth the try?

Does my model only have one fuse for the seats cause i only have a 50 amp fuse is in slot # 8 that controls the passenger seat. Nothing in 16 & 17
Gray
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Re: seat removal when electric not working?

Post by gray »

Did a BSI reset and nothing changed, any ideas?

When car is running both heated seat switches light up when pressed ? Both powered by passenger seat ?

What am i missing? Anybody have a wiring diagram of the drivers seat electrics?
Gray
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