Possible to Lock car without activating Alarm?

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My Name: onepound

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Posts: 73
Joined: Thu Aug 03, 2017 9:23 am
Model: C3 2006-2009, Facelift model
Year: 2009 (09)
Engine Size: 1.6 (16v)
Fuel Type: Diesel
Mileage: 84000
Gearbox: Manual 5 speed
DPF: Yes
LHD or RHD: RHD (UK)
Engine name: DV6 16-valve diesel (92 PS)
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I was wondering on my MK1 2009 1.6 Hdi if it was possible to central lock the car without activating the alarm as suggested here:

https://www.citroenc3owners.com/questio ... t2178.html

but without doing that manual lock inside every door?

The alarm is factory fitted and has two buttons - lock and unlock. The alarm activates as soon as the lock button is pressed.
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My Name: Ozvtr

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Model: C3 2002-2005, Original shape model
Year: 2003 (53)
Engine Size: 1.4 (8v)
Fuel Type: Petrol
Mileage: 80000
Trim Level: Other
Gearbox: Automatic PRND
DPF: No
LHD or RHD: RHD
Engine name: TU3 (75 PS)
Location: Brisbane, Australia.
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Obviously there is a fault in the alarm system.
The question is do you want to fix it or by-pass it?
If you want to by pass it disconnect the blue connector at the alarm module located as shown in those photos.
If you want to fix it, that will take more work.
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My Name: onepound

Experienced Member
Posts: 73
Joined: Thu Aug 03, 2017 9:23 am
Model: C3 2006-2009, Facelift model
Year: 2009 (09)
Engine Size: 1.6 (16v)
Fuel Type: Diesel
Mileage: 84000
Gearbox: Manual 5 speed
DPF: Yes
LHD or RHD: RHD (UK)
Engine name: DV6 16-valve diesel (92 PS)
Been thanked: 1 time

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Ozvtr wrote: ↑Sat Dec 04, 2021 8:44 pm Obviously there is a fault in the alarm system.
I'd assumed it was set like that but I cannot find away to lock without arming the alarm.

That post I referred to mentions "You can remove the alarm option from the BSI if you want it disabled. "

But where do I find that option to disable?
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My Name: Ozvtr

Moderator
Posts: 1259
Joined: Wed Jul 10, 2019 3:31 am
Model: C3 2002-2005, Original shape model
Year: 2003 (53)
Engine Size: 1.4 (8v)
Fuel Type: Petrol
Mileage: 80000
Trim Level: Other
Gearbox: Automatic PRND
DPF: No
LHD or RHD: RHD
Engine name: TU3 (75 PS)
Location: Brisbane, Australia.
Has thanked: 63 times
Been thanked: 377 times

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The alarm uses the "stock" door lock switches, an auxiliary switch on the bonnet catch, the 'volumetric' sensors on the 'A' pillars and some have a 'tilt' switch. I would say one of those may be faulty, or even the alarm module.

The alarm option is in the 'BSI' ecu selection in LEXIA ( the scan tool).
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