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D3 Airbag Light on - Guidance Please
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13571

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

This was one of my fault screens when I had an issue


   
Post #209284116th Oct 2019 1:37 pm
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JackNorris
 


Member Since: 06 Jul 2012
Location: Beds/Bucks Border
Posts: 1877

United Kingdom 2005 Discovery 3 4.4 V8 HSE Auto Tonga GreenDiscovery 3

I am using a friends IID tool as i dont have my own yet, will it still show me that screen?

The airbag light has been on since ive had the car.

Do you think the fact its a lot of driver related errors it could be cabling or connector?

Does that B1A00 code mean the ECU is goosed?
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Post #209284916th Oct 2019 1:48 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13571

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hi

U should still be able to read the errors , if u pay £60 ur mate can add ur vehicle to allow u full access

Here’s a menu of what u can and can’t do which I hope helps



Here you go:

Full diagnostic capabilities (free of charge on any supported vehicles for the IIDTool BT)
• Fault read / clear
• Live values
• Control outputs
• Service / test functions (this includes service interval reset)

Advanced programming functions (IIDTool BT: one free VIN, additional license available at 60 GBP):
• Suspension height modification (this can be quite handy for your customers on specific situations)
• ECU Flash
• Car Configuration File editing
• Component and system calibration (steering angle sensor calibration etc)
• Advanced functions including backup / restore, save profiles – vehicle system settings and
configurations are read and stored as a backup file for a restore function, various changes

Ref the codes , ecu might be ok

May i ask , do u ever get swanley way , reason I ask is if u do I’ll help u go through the entire airbag system if u wish

Was the same with mine so indeed could be a a lot of things , with the iid I was able to reset the crash data , know it’s not always possible , the data will still be in the ecu but turns the srs light out

If I may suggest ,

1) either get ur own iid or pay £60 to be added to ur mates , Clear the codes and then see what comes back

2) if the airbag light is still there get the live data ohm readings

Hope that helps
  

Last edited by gstuart on 16th Oct 2019 5:41 pm. Edited 3 times in total 
Post #209286716th Oct 2019 3:23 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13571

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Found the pics of my seat belt pre tensioners , these had fired and ur see the wire out the end and the plastic of the seat belt cover crumbled

At least then ur see what urs are like

I had plenty of help so nice to pay it back , Pete K was also a legend in helping me going through the system

Also if I may add please DONT , ever put a multimeter on an airbag as also mentioned ref the battery

Some pics of my D3 when I was tracing and fixing airbag faults

















   
Post #209287316th Oct 2019 3:52 pm
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JackNorris
 


Member Since: 06 Jul 2012
Location: Beds/Bucks Border
Posts: 1877

United Kingdom 2005 Discovery 3 4.4 V8 HSE Auto Tonga GreenDiscovery 3

Wow thats a massive help! Thanks,

Sadly im not often down that way Big Cry

I did as recommended, firstly the seat belt tensioner looks fine. Cleared the codes and got the same codes back.

Using the IID I get the following live values. I guess the ones with 0 are because its 5 seat and these are curtains in the rear?

Whats strange is I get the same error codes if I scan with the connection under the seat disconnected as I do with it connected.

Thanks again for your help.

Whats weird is I get this on both sides, My thought is its an issue with wiring from drivers seat back to ecu but the car knows when the driver is wearing a seatbelt.





 MY2023 Discovery 5 R-Dynamic 3.0
MY2020 Discovery 5 Landmark 3.0 - SOLD
MY2005 Discovery 3 V8 4.4 HSE - SOLD
MY2019 Discovery 5 SE 3.0 - LR Replaced !
MY2005 Discovery 3 S 2.7 - SOLD
MY2016 Discovery 4 Graphite - SOLD
MY2015 Discovery 4 SE Tech - SOLD 
 
Post #209293616th Oct 2019 7:27 pm
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JackNorris
 


Member Since: 06 Jul 2012
Location: Beds/Bucks Border
Posts: 1877

United Kingdom 2005 Discovery 3 4.4 V8 HSE Auto Tonga GreenDiscovery 3

Could it be clock spring? Doubting it but...
 MY2023 Discovery 5 R-Dynamic 3.0
MY2020 Discovery 5 Landmark 3.0 - SOLD
MY2005 Discovery 3 V8 4.4 HSE - SOLD
MY2019 Discovery 5 SE 3.0 - LR Replaced !
MY2005 Discovery 3 S 2.7 - SOLD
MY2016 Discovery 4 Graphite - SOLD
MY2015 Discovery 4 SE Tech - SOLD 
 
Post #209293716th Oct 2019 7:28 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13571

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Glad it helped

Would u be able to get a better picture for the first ones please, think it says seat belt but not sure

I’m pretty sure I know what airbag has gone , just need to see that first pic better plse

Many thks Thumbs Up

Ps, will check that out ref airbags between the 5/7 seats , think there the same but will double check for u
   
Post #209297716th Oct 2019 9:13 pm
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JackNorris
 


Member Since: 06 Jul 2012
Location: Beds/Bucks Border
Posts: 1877

United Kingdom 2005 Discovery 3 4.4 V8 HSE Auto Tonga GreenDiscovery 3

Hi

Thats my poor iPhone

the one on the left is

Driver safety belt sensor - safety belt sensor fault answers fault

right column
Driver safety belt sensor - safety belt sensor state answers unbuckled

thanks again
 MY2023 Discovery 5 R-Dynamic 3.0
MY2020 Discovery 5 Landmark 3.0 - SOLD
MY2005 Discovery 3 V8 4.4 HSE - SOLD
MY2019 Discovery 5 SE 3.0 - LR Replaced !
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Post #209298016th Oct 2019 9:40 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13571

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Many thks Thumbs Up glad it’s useful

Number 11, is ur drivers seat air bag pretty sure number 10 x is the passenger side

Because 10/11 are at zero I assume there disconnected

Are the seats electric please and do they Both work

Have a look under both front seats and see if there are any yellow wires laying around plse ,

If I may say , if u do find them, don’t be tempted to plug them in as of yet


These were some faults I had with mine

B0028-1B (AF) Right side air bag deployment control - General electrical failure - circuit resistance above threshold
( at 98655 mi )
- Test Failed
- Test Failed This Monitoring Cycle
- Confirmed
- Test Failed Since Last Clear
- MIL Requested
B0029-1B (AF) Right curtain deployment control 1 - General electrical failure - circuit resistance above threshold
( at 98655 mi )
- Test Failed
- Test Failed This Monitoring Cycle
- Confirmed
- Test Failed Since Last Clear
- MIL Requested
B002A-1B (AF) Right curtain deployment control 2 - General electrical failure - circuit resistance above threshold
( at 98655 mi )
- Test Failed
- Test Failed This Monitoring Cycle
- Confirmed
- Test Failed Since Last Clear
- MIL Requested
B0029-1A (2C) Right curtain deployment control 1 - General electrical failure - circuit resistance below threshold
( at 98671 mi )
- Confirmed
- Test Failed Since Last Clear
   
Post #209298616th Oct 2019 10:08 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13571

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Pasted ur faults over here so save having to go back and forth between pages

Have also got a horrible feeling that the front sensors by the bumper are either unplugged/ faulty or missing due to the gap iid frontal impact data

Have u checked ur impact sensors yet plse


Airbag

B0002-1A (2C) Driver's frontal stage 2 - deployment control - General electrical failure - circuit resistance below threshold
( at 228596 km )
B1A00-49 (AC) Control module - System internal failure - internal electronic failure
B0002-1B (2C) Driver's frontal stage 2 - deployment control - General electrical failure - circuit resistance above threshold
( at 251066 km )
B1A55-14 (2C) Crash record output circuit - General electrical failure - circuit short to ground or open
( at 269498 km )
U0073-88 (2C) Control module communication bus off - Bus signal/message failure - bus is off
( at 272244 km )
B0050-1D (2C) Driver's safety belt sensor - General electrical failure - circuit current out of range
( at 281116 km )
B00B5-1D (2C) Driver's seat track position restraints sensor - General electrical failure - circuit current out of range
( at 281116 km )
B0070-1B (2C) Driver's safety belt pretensioner deployment control - General electrical failure - circuit resistance above threshold
( at 281116 km )
B0028-1B (2C) Right side air bag deployment control - General electrical failure - circuit resistance above threshold
( at 281116 km )
B1A00-16 (2C) Control module - General electrical failure - circuit voltage below threshold
( at 281164 km )
   
Post #209298816th Oct 2019 10:14 pm
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JackNorris
 


Member Since: 06 Jul 2012
Location: Beds/Bucks Border
Posts: 1877

United Kingdom 2005 Discovery 3 4.4 V8 HSE Auto Tonga GreenDiscovery 3

Thanks for the detailed reply

I have manual seats not electric

I did have a look under the seat and couldn’t see anything hanging out but will have another look

Haven’t looked at anything yet in the front bumper.

Do you think it’s possibly not the ecu or clockspring?
 MY2023 Discovery 5 R-Dynamic 3.0
MY2020 Discovery 5 Landmark 3.0 - SOLD
MY2005 Discovery 3 V8 4.4 HSE - SOLD
MY2019 Discovery 5 SE 3.0 - LR Replaced !
MY2005 Discovery 3 S 2.7 - SOLD
MY2016 Discovery 4 Graphite - SOLD
MY2015 Discovery 4 SE Tech - SOLD 
 
Post #209299016th Oct 2019 10:18 pm
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JackNorris
 


Member Since: 06 Jul 2012
Location: Beds/Bucks Border
Posts: 1877

United Kingdom 2005 Discovery 3 4.4 V8 HSE Auto Tonga GreenDiscovery 3

Hi

I have snapped some images of under the chair. Last night I broke that connection and blow the dust out.

Thanks









 MY2023 Discovery 5 R-Dynamic 3.0
MY2020 Discovery 5 Landmark 3.0 - SOLD
MY2005 Discovery 3 V8 4.4 HSE - SOLD
MY2019 Discovery 5 SE 3.0 - LR Replaced !
MY2005 Discovery 3 S 2.7 - SOLD
MY2016 Discovery 4 Graphite - SOLD
MY2015 Discovery 4 SE Tech - SOLD 
 
Post #209308717th Oct 2019 11:27 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13571

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

JackNorris wrote:
Thanks for the detailed reply

I have manual seats not electric

I did have a look under the seat and couldn’t see anything hanging out but will have another look

Haven’t looked at anything yet in the front bumper.

Do you think it’s possibly not the ecu or clockspring?


Hi

Many thks for the pics , difficult to see what colour plugs are there , if u get time plse, disconnect ur battery , wait for 30 x mins then unscrew that black connector and take another pic plse of the colour of plugs,

Would u mind quickly doing something plse, remove the windscreen pillar panels and double check the curtain airbag is there please, is held in my one torx screw

Got a horrible feeling some items are missing here , just wish to try and rule them out before going further

The front sensors can be seen by removing ur front headlights , easy to check if they are actually there and connected and see what colour they are please,

can then at least establish things before going further , ie ecu or clock spring , would hate for u to replace items and then find out parts are missing

Hope that helps
   
Post #209333818th Oct 2019 10:12 am
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JackNorris
 


Member Since: 06 Jul 2012
Location: Beds/Bucks Border
Posts: 1877

United Kingdom 2005 Discovery 3 4.4 V8 HSE Auto Tonga GreenDiscovery 3

Thats great, thanks.

Ill be having a play tonight so will get some images and do those checks. Thumbs Up
 MY2023 Discovery 5 R-Dynamic 3.0
MY2020 Discovery 5 Landmark 3.0 - SOLD
MY2005 Discovery 3 V8 4.4 HSE - SOLD
MY2019 Discovery 5 SE 3.0 - LR Replaced !
MY2005 Discovery 3 S 2.7 - SOLD
MY2016 Discovery 4 Graphite - SOLD
MY2015 Discovery 4 SE Tech - SOLD 
 
Post #209334318th Oct 2019 10:16 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13571

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Ur very welcome

Just know what it’s like , at first I didn’t check basic things so wasted a lot of time

At least this way can establish some basics

Cheers look forward to the update
   
Post #209334718th Oct 2019 10:27 am
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