How to replace your alarm horn

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Franciswat
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Re: WIP: how to replace your alarm siren box back up battery

Post by Franciswat »

Well I am not an electrician and my knowledge about this stuffs is limited but I supposed since batteries are connected in series they should charge/discharge together.
I checked them both when they arrived but maybe a battery was defective or maybe I damaged It inadvertently when I soldered contacts the pbc!

Anyway new battery is coming and I'll give siren an other chance to work!

Stay tuned! :wink:
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Franciswat
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Re: WIP: how to replace your alarm siren box back up battery

Post by Franciswat »

Hi guys, last update for this story.
Unfortunatelly I have to comunicate that even If both batteries had been replaced with new one the error on VCDS did not disappear. :(
For this reason I will replace the whole horn unit soon. Anyway the horn continues to works correctly as far as I tested it.
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Re: WIP: how to replace your alarm siren box back up battery

Post by iichel »

Too bad it didn't work out as you planned, but thanks for trying anyway!
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Re: WIP: how to replace your alarm siren box back up battery

Post by RUM4MO »

It was worth trying though - just one thing maybe a stupid thought, will these new batteries not need time to charge up before the fault can be erased?
Sorry if you have given the batteries time to recharge - did you check that there is a supply getting through to this box to keep these back up batteries charged up, or maybe the built in charger has been trashed by the previous batteries failing, or a protective fuse?
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Franciswat
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Re: WIP: how to replace your alarm siren box back up battery

Post by Franciswat »

Hello guys, sorry for late reply but I forgot to subscribe to the topic.

Thanks iichel I just thought replacing the battery could be a cheaper solution than replacing the whole unit. :roll:
Never give up until you have tried all the ways you can!
will these new batteries not need time to charge up before the fault can be erased?
Yes I thought that but after a long drive and some weeks batteries should be fully charged but error remains. :|
did you check that there is a supply getting through to this box to keep these back up batteries charged up, or maybe the built in charger has been trashed by the previous batteries failing, or a protective fuse?
Since batteries are good I may only suppose there is something wrong in the PCB but I should ask an electronic technician because my knowledge about electric components is very limited. :roll:
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Re: WIP: how to replace your alarm siren box back up battery

Post by RUM4MO »

Good Good, you will get there in the end, keep up the good work! (Good Luck!!)
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Franciswat
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Re: WIP: how to replace your alarm siren box back up battery

Post by Franciswat »

I have finally replaced the faulty alarm horn (1K0951605C) with a more recent unit (1K0951605F).

Image


:arrow: How to remove the alarm horn
:arrow: viewtopic.php?f=56&t=72126&p=543845#p543845

New autoscan (no more errors) :wink:

Code: Select all

Friday,30,August,2019,16:56:38:39744
VCDS -- Windows Based VAG/VAS Emulator Running on Windows XP x86
VCDS Version: 17.1.3.0
Data version: 20170203 DS267.2
www.Ross-Tech.com


VIN: WVWZZZ6RZCY540000   License Plate: 


Chassis Type: 6R (7E0)
Scan: 01 03 04 08 09 10 15 17 19 25 44 55 56 0B

VIN: WVWZZZ6RZCY540000   

01-Engine -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
10-Park/Steer Assist -- Status: OK 0000
15-Airbags -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
56-Radio -- Status: OK 0000
 
-------------------------------------------------------------------------------
Address 01: Engine
Cannot be reached

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels: 6R0-907-37x-ESP82.clb
   Part No SW: 6R0 907 379 BC    HW: 6R0 907 379 AF
   Component: ESP8.2i front H05 0002  
   Revision: --------    
   Coding: 210224E3217100B5842524E484D700401300
   Shop #: WSC 00788 648 00255
   VCID: 00085B4297984341E9-8054

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J301)       Labels: None
   Part No SW: 6R0 820 045 N    HW: 6R0 820 045 N
   Component: Man AC        H02 0202  
   Revision: 0003SH02    
   VCID: 397EF6A6B0C2D289EE-806C

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels: 7E0-937-BCM-V1.clb
   Part No SW: 7E0 937 090     HW: 7E0 937 090 
   Component: BCM PQ25 Max4 H80 0736  
   Revision: B9080001    Serial number: 0771 060161479
   Coding: 3CB02BBF08E1240092380E916C6B0DD1DAC0672F608D30D0200000030000
   Shop #: WSC 02737 534 00190
   VCID: 68D863E29BE89B0141-803C

   Subsystem 1 - Part No SW: 6R0 959 801 AB    HW: 6R0 959 801 AB  Labels: 6R0-959-801.CLB
   Component: J386__TSG_FT  008 1611 
   Serial number: KU0KU004011200011991
   Coding: 18BC30

   Subsystem 2 - Part No SW: 6R0 959 802 AD    HW: 6R0 959 802 AD  Labels: 6R0-959-802.CLB
   Component: J387__TSG_BT  008 1611 
   Serial number: KU0KU005011200017885
   Coding: 08BC30

   Subsystem 3 - Part No: 1K8 951 171 A
   Component: DWA-Sensor 00  001 0103 
   Coding: 000000

   Subsystem 4 - Part No: 1K0 951 605 F
   Component: LIN BACKUP HO  H01 0008 
   Coding: 000000

   Subsystem 5 - Part No: 1K8 951 171 A
   Component: DWA-Sensor 00  001 0103 
   Coding: 000000

   Subsystem 6 - Part No SW: 1K8 959 442     HW: 1K8 959 442 
   Component: E221__MFL-DC1  H04 0103 
   Serial number: 29170002240760027504
   Coding: A40000

   Subsystem 7 - Part No SW: 6R0 959 811 G    HW: 6R0 959 811 G
   Component: J388__TSG_HL  008 1611 
   Serial number: KU0KU010011200012406
   Coding: 08BC32

   Subsystem 8 - Part No SW: 6R0 959 812 G    HW: 6R0 959 812 G
   Component: J389__TSG_HR  008 1611 
   Serial number: KU0KU009011200013136
   Coding: 08BC32

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J446)       Labels: 7E0-919-475.clb
   Part No SW: 7E0 919 475 L    HW: 56D 919 475 
   Component: PARKHILFE 8K  H02 0106  
   Revision: --------    Serial number: 20231629400567
   Coding: 108001
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_VW75XPakrAssis8K 001003
   ROD: N/A
   VCID: 3B72ECAEB2FEE099FC-806E

No ASAM data for: "EV_VW75XPakrAssis8K" (VW25) 
No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels: 5K0-959-655.clb
   Part No SW: 6R0 959 655 K    HW: 6R0 959 655 K
   Component: VW10Airbag022 H09 0020  
   Revision: --------    Serial number: 003GX011W0JJ
   Coding: 003232
   Shop #: WSC 00788 648 00255
   ASAM Dataset: EV_AirbaV1W0BPAVW250 A01001
   ROD: N/A
   VCID: 4A9CB96AED24491177-801E

   Subsystem 1 - Serial number: 3575HRB4059124B2F99H

   Subsystem 2 - Serial number: 3585HRB4061131GQCOUS

   Subsystem 3 - Serial number: 3515RRB405P0VC0I5P0W

   Subsystem 4 - Serial number: 3525RRB40510VC0IA9B9

No ASAM data for: "EV_AirbaV1W0BPAVW250" (VW25) 
No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels: 5K0-920-xxx-17.clb
   Part No SW: 6R0 920 871 A    HW: 6R0 920 871 A
   Component: KOMBI         H03 0505  
   Serial number: 00000000000000
   Coding: 140E01
   Shop #: WSC 00788 648 00255
   ASAM Dataset: EV_KombiU_DS_VDD_RM09 A04113
   ROD: N/A
   VCID: 3460C7929FA02FE13D-8060

No ASAM data for: "EV_KombiU_DS_VDD_RM09" (VW36 *) 
No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels: None
   Part No SW: 7E0 909 901     HW: 7E0 937 090 
   Component: GW-K-CAN TP20 H80 0736  
   Revision: B9080001    
   Coding: 002200
   Shop #: WSC 02737 534 00190
   VCID: 68D863E29BE89B0141-803C

No fault code found.

-------------------------------------------------------------------------------
Address 25: Immobilizer (J334)       Labels: 5K0-920-xxx-25.clb
   Part No SW: 5K0 953 234     HW: 5K0 953 234 
   Component: IMMO          H03 0505  
   Serial number:               
   Coding: 000000
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03009
   ROD: EV_Immo_UDS_VDD_RM09_VW21.rod
   VCID: 6ADC19EA8DE4A91157-803E

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 6Q0-423-156.clb
   Part No: 6R0 423 156 B
   Component: LenkhilfeTRW        V277  
   Coding: 11250
   Shop #: WSC 00788  
   VCID: 2F6AC8FEEA860C3940-807A

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range (J431)       Labels: 6R0-907-357.clb
   Part No SW: 6R0 907 357     HW: 6R0 907 357 
   Component: LWR-ECU       H02 0070  
   Revision: --------    Serial number: --------------
   Coding: 0110000001000000
   Shop #: WSC 00788 648 00255
   ASAM Dataset: EV_HealdRegulVWLWRPt 001004
   ROD: N/A
   VCID: 77FA309ECE5604F9D8-8022

No ASAM data for: "EV_HealdRegulVWLWRPt" (VW25) 
No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (J503)       Labels: None
   Part No SW: 6RD 035 187 B    HW: 6RD 035 187 B
   Component: Radio         541 5314  
   Revision: --------    Serial number: VWZZZ4K6200530
   Coding: 16000400040005
   Shop #: WSC 127395 840 08317
   VCID: 46848D5AF13CAD7193-8012

No fault code found.

End-------------------------(Elapsed Time: 03:18)--------------------------
benzinkopf
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Re: How to replace your alarm horn

Post by benzinkopf »

too bad. i just bought a used unit thinking i might be able to change the battery too[emoji23]


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Franciswat
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Re: How to replace your alarm horn

Post by Franciswat »

Changing the battery does not ensure to solve the problem.
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Re: How to replace your alarm horn

Post by RUM4MO »

Some people seem to get lucky, well maybe 1 person in 100!
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Franciswat
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Re: How to replace your alarm horn

Post by Franciswat »

Give it a try! :mrgreen: Maybe you're luky!
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Re: How to replace your alarm horn

Post by Mvplayer84 »

Hi all. Sorry for reviving an old thread. Does anyone know what voltage comes to the siren signal wire to activate the alarm? I am getting 0.5v on the signal wire when alarm is in idle state (not triggered) and 0.8v when I trigger the alarm. How can I test the siren when it is removed from the car.
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Re: How to replace your alarm horn

Post by Mvplayer84 »

Hi all. Sorry for reviving an old thread. Does anyone know what voltage comes to the siren signal wire to activate the alarm? I am getting 0.5v on the signal wire when alarm is in idle state (not triggered) and 0.8v when I trigger the alarm. How can I test the siren when it is removed from the car.
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Franciswat
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Re: How to replace your alarm horn

Post by Franciswat »

Have no idea about the voltages or how to test the syren outside the car.
What kind of issue do you have? Anyway I think will be easier to just replace it.

When I tried to fix mine by replacing the batteries I've spent money for nothing.
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Re: How to replace your alarm horn

Post by amer6R »

Do you lock your car via cobra remote or via central locking? It seems that both options activate the alarm?
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