Central locking.

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My Name: patt

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Posts: 23
Joined: Tue May 29, 2012 1:05 pm

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The central locking on my C3 1.4 petrol was not working properly for many weeks since I purchased it last December. It locked when leaving the car and would open as long as you tried within about 15 minutes. Any longer, and it refused to open except using the key in the door.
Fortunately, I stumbled on a similar problem on a different forum. I could not believe it! The car's built in computer did not like the aftermarket radio and unplugging it solved the problem. Yes really!!!
If you have a central locking problem this is easy to try.




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My Name: Arfur Dent

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Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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Hi patt,

Thanks for the tip,

The problem crops up often here, an after market radio is installed without the correct wiring alterations causing draining of the battery and putting the BSI into 'deep sleep' to conserve battery power. Trouble is 'deep-sleep mode' makes the central locking unresponsive because the BSI computer is sleeping.

There is a post here for people wishing to discover what wiring alterations are required to avoid the central locking problem along with the radio not remembering its stations or the radio not powering down.
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My Name: patt

Contributor
Posts: 23
Joined: Tue May 29, 2012 1:05 pm

Post

Thank you so much for the wiring info on the radio problem. I swapped wires from pins 4 and 7 and it's fine. If all C3 problems were that easy..........

Cheers.
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