Air bag warning light -Dreaded 'red fat man' icon is 'on'

rab60bit · 27th November 2014, 15:03

Thought there would be loads on this (seeing as we all condemn the poor little yellow plugs), tried a search for the subject but just a blank page!!
So, I'll ask the question - preparation for MOT (today) included the yellow plug/unplug trick as the air bag warning started to play up last week.
It seems to remain OK whilst I'm driving alone but when the wife sits in the passenger seat the light comes on again. If it's a true system fault my guess is the light would not cancel anyway.
So, is there an occupation pad (sensor) in the seats (like Audi and I think BMW) that triggers that particular position to interrogate the system on start-up or is my particular problem something else?
Any suggestions welcome - BTW, failed MOT on a rear tyre (thought it might just squeeze thro' before I was forced to spend even more dough) and handbrake (shoe adjustment required) so I've got a few days to sort those out prior re-test and I prefer not to have the air bag light go rogue on me and cause another failure item just for spite

.

Jim Jamieson · 27th November 2014, 15:10

I'm surprised nothing came up on your search,
But if it helps the connections under the drivers seat is a common cause.

The missus's diesel air bag light comes on sometimes when it's moved back for my big legs.

I quick wiggle and it's out again.

pinebob · 27th November 2014, 15:43

Quote:

Originally Posted by rab60bit

Thought there would be loads on this (seeing as we all condemn the poor little yellow plugs), tried a search for the subject but just a blank page!!
So, I'll ask the question - preparation for MOT (today) included the yellow plug/unplug trick as the air bag warning started to play up last week.
It seems to remain OK whilst I'm driving alone but when the wife sits in the passenger seat the light comes on again. If it's a true system fault my guess is the light would not cancel anyway.
So, is there an occupation pad (sensor) in the seats (like Audi and I think BMW) that triggers that particular position to interrogate the system on start-up or is my particular problem something else?
Any suggestions welcome - BTW, failed MOT on a rear tyre (thought it might just squeeze thro' before I was forced to spend even more dough) and handbrake (shoe adjustment required) so I've got a few days to sort those out prior re-test and I prefer not to have the air bag light go rogue on me and cause another failure item just for spite

.

have you done the plug unplug thing under both seats as it seems like you have a fault on the one under passenger seat.

rab60bit · 27th November 2014, 16:01

I've only fiddled with the passenger seat plug as there is no alarm with just a driver using the car.

biggles 1957 · 27th November 2014, 16:20

Have you checked under the carpets for water?

chris75 · 27th November 2014, 16:46

It's worth you unbolting the passenger seat and tilting it back for a better look .I have heard that the wires to the plugs are secured to the seat / cushion frame and that they can break internally due to flexing as people sit on them ! Try unfastening them and let them hang loose !
This might explain the problem you are having .

rab60bit · 2nd December 2014, 22:38

I've recently posted a question on this but no specific answers - yet!
Persistent air bag light but only seems to alarm only when the passenger seat is occupied (or, whilst in the driver seat, I put just a bit of arm weight/bump the squab with my hand).
Fiddled with both plugs but it just keeps coming back 'on' - no passenger, no alarm. Suggestion on this forum to check that the air bag wires underneath the seat are not cable tied and being 'disturbed' when the squab is depressed by occupant.
Does anyone know how the MGR system senses that there isn't a passenger present? Is there an occupancy sensor in the seat squab or does the system 'arm' when the passenger seat belt is latched.
In the event of a rapid deceleration (i.e. a crash) do all the air bags deploy or just those where there is an occupant?
Meantime I'll keep fiddling, it's just passed the MOT whilst in a no-light mood.

:

Dragrad · 2nd December 2014, 23:04

Threads merged as they are related.

Neil1 · 3rd December 2014, 10:33

Quote:

Originally Posted by rab60bit

Thought there would be loads on this (seeing as we all condemn the poor little yellow plugs), tried a search for the subject but just a blank page!!
So, I'll ask the question - preparation for MOT (today) included the yellow plug/unplug trick as the air bag warning started to play up last week.
It seems to remain OK whilst I'm driving alone but when the wife sits in the passenger seat the light comes on again. If it's a true system fault my guess is the light would not cancel anyway.
So, is there an occupation pad (sensor) in the seats (like Audi and I think BMW) that triggers that particular position to interrogate the system on start-up or is my particular problem something else?
Any suggestions welcome - BTW, failed MOT on a rear tyre (thought it might just squeeze thro' before I was forced to spend even more dough) and handbrake (shoe adjustment required) so I've got a few days to sort those out prior re-test and I prefer not to have the air bag light go rogue on me and cause another failure item just for spite

.

This is what your after, replacing the connectors under the seats;
http://www.the75andztclub.co.uk/foru...d.php?t=162111

stevesav · 3rd December 2014, 12:35

Have you thought about leaving your wife at home then, problem solved

27th November 2014, 15:03	#1
rab60bit Posted a thing or two Rover 75 Saloon & Tourer Join Date: Mar 2013 Location: Wilmslow Posts: 1,531 Thanks: 433 Thanked 301 Times in 212 Posts	Air bag warning light -Dreaded 'red fat man' icon is 'on' Thought there would be loads on this (seeing as we all condemn the poor little yellow plugs), tried a search for the subject but just a blank page!! So, I'll ask the question - preparation for MOT (today) included the yellow plug/unplug trick as the air bag warning started to play up last week. It seems to remain OK whilst I'm driving alone but when the wife sits in the passenger seat the light comes on again. If it's a true system fault my guess is the light would not cancel anyway. So, is there an occupation pad (sensor) in the seats (like Audi and I think BMW) that triggers that particular position to interrogate the system on start-up or is my particular problem something else? Any suggestions welcome - BTW, failed MOT on a rear tyre (thought it might just squeeze thro' before I was forced to spend even more dough) and handbrake (shoe adjustment required) so I've got a few days to sort those out prior re-test and I prefer not to have the air bag light go rogue on me and cause another failure item just for spite.

27th November 2014, 16:46	#6
chris75 same car since 2005 2001 Rover 75 2.0 v6 Connoisseur Saloon Join Date: Nov 2006 Location: Ellesmere Port , Cheshire Posts: 3,818 Thanks: 379 Thanked 549 Times in 466 Posts	It's worth you unbolting the passenger seat and tilting it back for a better look .I have heard that the wires to the plugs are secured to the seat / cushion frame and that they can break internally due to flexing as people sit on them ! Try unfastening them and let them hang loose ! This might explain the problem you are having . __________________ Who said it was simples ?

2nd December 2014, 22:38	#7
rab60bit Posted a thing or two Rover 75 Saloon & Tourer Join Date: Mar 2013 Location: Wilmslow Posts: 1,531 Thanks: 433 Thanked 301 Times in 212 Posts	Dreaded 'red fat man' icon is 'on' I've recently posted a question on this but no specific answers - yet! Persistent air bag light but only seems to alarm only when the passenger seat is occupied (or, whilst in the driver seat, I put just a bit of arm weight/bump the squab with my hand). Fiddled with both plugs but it just keeps coming back 'on' - no passenger, no alarm. Suggestion on this forum to check that the air bag wires underneath the seat are not cable tied and being 'disturbed' when the squab is depressed by occupant. Does anyone know how the MGR system senses that there isn't a passenger present? Is there an occupancy sensor in the seat squab or does the system 'arm' when the passenger seat belt is latched. In the event of a rapid deceleration (i.e. a crash) do all the air bags deploy or just those where there is an occupant? Meantime I'll keep fiddling, it's just passed the MOT whilst in a no-light mood.:

2nd December 2014, 23:04	#8
Dragrad This is my second home *None DROWNED** Join Date: Aug 2007 Location: Cardigan Posts: 33,339 Thanks: 1,257 Thanked 1,664 Times in 1,081 Posts	Threads merged as they are related. __________________ Andrew Ich Dien Problem solving is... lateral thinking SEARCH FIRST ...ASK LATER...

3rd December 2014, 12:35	#10
stevesav Gets stuck in rover 75 1.8T Classic Join Date: Aug 2011 Location: biggleswade Posts: 970 Thanks: 13 Thanked 15 Times in 14 Posts	Have you thought about leaving your wife at home then, problem solved __________________ [SIGPIC][/SIGPIC] To many mods to list now

27th November 2014, 15:10	#2
Jim Jamieson This is my second home Rover less ! Join Date: Jun 2011 Location: Tarbolton Posts: 3,442 Thanks: 393 Thanked 888 Times in 542 Posts	I'm surprised nothing came up on your search, But if it helps the connections under the drivers seat is a common cause. The missus's diesel air bag light comes on sometimes when it's moved back for my big legs. I quick wiggle and it's out again.

27th November 2014, 16:01	#4
rab60bit Posted a thing or two Rover 75 Saloon & Tourer Join Date: Mar 2013 Location: Wilmslow Posts: 1,531 Thanks: 433 Thanked 301 Times in 212 Posts	I've only fiddled with the passenger seat plug as there is no alarm with just a driver using the car.

27th November 2014, 16:20	#5
biggles 1957 Regular poster Rover 75 Connie SE 2.5 V6. Copperleaf. Morris Traveller. 86" Series 1 Land-Rover. BMW K75RT Join Date: Sep 2014 Location: Leicestershire Posts: 89 Thanks: 3 Thanked 11 Times in 8 Posts	Have you checked under the carpets for water?