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Bonnet Open On Dash Display

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#1 ian b

ian b


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Posted 16 March 2011 - 01:10 PM

Hi new to the forum, ihave a problem with my 56 plate s-max the dash display tells me the bonnet is open, trust me its not. i would welcome any suggestion. ihave tried the plug at the bottom of the bonnet latch that looks ok, i have also tested for power supply none there, ihave tried looking for the fuse cant find it,please help.,

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#2 shoeb2616



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Posted 06 December 2014 - 07:16 PM

I've been having the same problem as from today! Dash display shows 'bonnet open' whereas it's completely shut!

#3 troy45


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  • Name: Troy
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  • Year: 2010
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Posted 06 December 2014 - 07:32 PM

Possibly the switch itself has failed or there's an issue with the wiring?


You can probably test the wiring out by disconnecting the plug from the bonnet switch and putting a piece of wire across the terminals - if the message clears then the switch is faulty or not being triggered as normal. If the message stays on the cluster then maybe the wiring somewhere has got damaged.


I'm assuming here that the switch is a simple open/closed contact - don't have access to a wiring diagram right now to double check that.

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