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Author Topic: Child Seat Detector  (Read 789 times)

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VXL V6

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Child Seat Detector
« on: 02 December 2018, 19:34:45 »

Can this be disabled? Can't find a definitive answer.

Airbag light keeps illuminating and the code refers to this module. Can the appropriate connection be removed and the CSD option be disabled? Plenty of Elites around without the CSD so surely there must be a programming option on the ECU?

Really don't want to get into dismantling the seat on this car if I can help it.
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Re: Child Seat Detector
« Reply #1 on: 03 December 2018, 07:25:10 »

Compare airbag ecu part numbers across your fleet...

If all the same then hopefully a simple tech 2 job. If no, then you might need to Improvise.

Not sure when, but if I get a chance I'll see if the wiring diagrams shed any light on it...

What year is it?
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VXL V6

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Re: Child Seat Detector
« Reply #2 on: 03 December 2018, 07:36:49 »

Registration is 02.

I know you can fit a seat with a CSD to a vehicle that isn't set up for it and it works without issue  :-\
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Re: Child Seat Detector
« Reply #3 on: 03 December 2018, 09:19:41 »

Hello!
I had a similar problem with the child seat detector, which turned the airbag light on. I was under the impression, that airbag controller can be programmed only once, so I just got another from a car without this option. I did receive one without the person detection option however, so had to disconnect the big yellow plug under the passenger seat.
The airbag controller lives under the armrest, takes some torx screws to get it out.
Rainer
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Re: Child Seat Detector
« Reply #4 on: 03 December 2018, 17:48:04 »

I don't think it can be programmed out once enabled.

SRS ECUs must be two-a-penny now. Just pop anther in (after removing cable for the sensor.
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Re: Child Seat Detector
« Reply #5 on: 03 December 2018, 18:04:10 »

Not sure a second hand one is a good idea if they are impact sensitive  :-\
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VXL V6

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Re: Child Seat Detector
« Reply #6 on: 03 December 2018, 19:11:27 »

Compare airbag ecu part numbers across your fleet...

I could but they all have CSD!
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VXL V6

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Re: Child Seat Detector
« Reply #7 on: 03 December 2018, 19:23:16 »

Might take the back plastic panel off the seat and see where the sensor is.. Might be a case of a crumbling connector if I'm lucky - this car has 205k on it (although the passenger seat won't have been occupied for all those miles) so has seen a bit of use.... and every passenger seems to want it setup differently!!

Main connector block at sill has been checked.

If all fails I'll have to look at an SRS ECU. MOT not till April so got a bit of time.... I'll Just reset the code for now.
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Re: Child Seat Detector
« Reply #8 on: 03 December 2018, 19:41:49 »

Compare airbag ecu part numbers across your fleet...

I could but they all have CSD!
Doh ;D
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Re: Child Seat Detector
« Reply #9 on: 04 December 2018, 17:15:06 »

Its a seat strip down :(

Get a SRS from a breaker, non elite, as many later elites had this option included as standard.
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Re: Child Seat Detector
« Reply #10 on: 04 December 2018, 18:50:21 »

Its a seat strip down :(

Get a SRS from a breaker, non elite, as many later elites had this option included as standard.

OK, no coding required? Just disconnect battery, swap out unit, reconnect battery...
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Re: Child Seat Detector
« Reply #11 on: 06 December 2018, 18:18:53 »

Aye.
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Re: Child Seat Detector
« Reply #12 on: 06 December 2018, 18:19:38 »

Ensuring its right one for car. I *think* any post MFL would be ok
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Re: Child Seat Detector
« Reply #13 on: 06 December 2018, 20:09:45 »

What can possibly go wrong  ::)
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Re: Child Seat Detector
« Reply #14 on: 06 December 2018, 20:49:46 »

Changing all four airbags should only take a couple of hours...  ;D

Add an hour for the pretensions as the seats need to come out...

 ::)
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Re: Child Seat Detector
« Reply #15 on: 10 December 2018, 16:50:14 »

Pin #39 on ECU to 0v should extinguish fault
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Re: Child Seat Detector
« Reply #16 on: 10 December 2018, 21:43:38 »

Hi Rob can you tell me more? Is 0v what the Ecu is expecting to see from a healthy CSD or is the 0v telling the Ecu that there is no CSD?
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Re: Child Seat Detector
« Reply #17 on: 10 December 2018, 22:07:06 »

0v= Ground=Earth=brown wire, but double check...

That earth point is adjacent to the srs ecu, iirc, so should be obvious enough  ;)
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Re: Child Seat Detector
« Reply #18 on: 10 December 2018, 22:23:34 »

Aye, been around that location previously in other cars wiring in various extra switches so seen the bond point.
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Re: Child Seat Detector
« Reply #19 on: 10 December 2018, 23:27:58 »

 :y
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Re: Child Seat Detector
« Reply #20 on: 30 December 2018, 11:56:45 »

Does anyone know which connector is for CSD?
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Re: Child Seat Detector
« Reply #21 on: 30 December 2018, 11:58:45 »

Not the one with pink or orange tabs :y
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Re: Child Seat Detector
« Reply #22 on: 30 December 2018, 12:06:23 »

Thanks, I'm guessing it's the twenty pin yellow plug with three wires connected - Or/Bl, Or and Blk.
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Re: Child Seat Detector
« Reply #23 on: 30 December 2018, 12:46:54 »

I can look it up if you need it confirmed... Death notwithstanding ;)
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Re: Child Seat Detector
« Reply #24 on: 30 December 2018, 13:04:20 »

Thanks, unplugged that one as it was the obvious one and reconnected the battery. All good now  :y

Took the opportunity to hoover out all the dust and dirt that had accumulated as well.

Replacement SRS Ecu fitted and all good so far :)

Thanks all for your help.  :y
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Re: Child Seat Detector
« Reply #25 on: 30 December 2018, 13:08:36 »

OK, continuous wires, seat plug not specified in diagrams...

Small* plug, RdWh/BnWh is the side airbag.

Small* plug, Gn/BnGn is the pretensioner.

Flat yellow plug is the CSD one, Pin 4 Bk direct from Fuse 29, Pin 14 Bn to Ground at Tunnel via Pin 25 on X1, Pin 16 YeGn to airbag ECU via Pin 50 on X1.

X1 being the sodding great plug behind the kick panel.

*I thought these plugs were yellow, but summat makes me think that they are grey with yellow tabs and pink or orange locks.
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Re: Child Seat Detector
« Reply #26 on: 30 December 2018, 13:10:01 »

That took longer than it needed to :-[

Too slow modifying my initial post.
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Re: Child Seat Detector
« Reply #27 on: 30 December 2018, 13:16:27 »

Lol, yes, one plug grey, one yellow, two pin design. Assumed they would be what you describe above.  :y
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