Dead clarion head unit?

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Spurious
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Re: Dead clarion head unit?

Post by Spurious » 07 Jan 2018, 15:50

They remote key fob is dead. It works in the ignition so I'm guessing so I'm guessing it just needs a new battery for the central locking to work.

Is it okay to just use the key in the door for the locking and unlocking steps?
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Re: Dead clarion head unit?

Post by GiveMeABreak » 07 Jan 2018, 16:56

When you get the new battery in the fob, you'll probably need to reinitialise the fob - to do that, just insert the fob key into the ignition, turn ignition on and hold the 'lock' button down for up to 10 seconds, remove, shut door and then lock and unlock the car a few times with the fob. Then start the car to make sure it's all ok.

Remember with these, if you lock the key with the remote using the fob button, then it needs to be unlocked using the same - if you unlock with the key it will probably set of the alarm (if fitted), then just insert key into ignition and turn on to deactivate it.
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Re: Dead clarion head unit?

Post by wurlycorner » 08 Jan 2018, 17:11

If the unit is coded to the car, it still turns on and works fully - it just beeps at you loudly, continuously.

Sounds like no power to me. Is there an internal fuse in the stereo?
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GiveMeABreak
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Re: Dead clarion head unit?

Post by GiveMeABreak » 08 Jan 2018, 17:48

I think you meant to say if it is not coded to the car it will beep at you. :wink:

The fuse has been checked (F20).
So I suspect either the controlling display ECU or the Head Unit has just crapped out.

Here's a second hand replacement for £15 + £5 shipping:

https://www.ebay.co.uk/itm/CITROEN-C5-E ... SwttVaQlVo

Might be worth a few quid to test the unit (you won't need to VIN code it just to test it) - but it will turn on and work while it beeps at you - but should rule out whether it is the head unit that is naff or not.
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