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Discussion Starter #1
Hi!

I'm going to replace my hevac control panel.
Do I have to sync the new unit (with fault mate, land rover test book, etc.) or it's just plug and play?

Regards,

Nuno
 

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G'day , i did mine 18months agao worked fine ,but if you have any faults or book symbol then you will need to get them identified and cleared.
 

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JACK'S GRANDAD
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If there are no faults, then I do not see why it should myself...
I have had mine unplugged etc and not needed to use the Faultmate anytime.

Martin
 

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LEGACY VENDOR
1995-2002 Range Rover P38A
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I have done this at least 15 times PLUG and PLAY..
 

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JACK'S GRANDAD
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Scotty said:
I have done this at least 15 times PLUG and PLAY..
Thanks for the confirmation Scotty!

Martin
 

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Discussion Starter #7
I've successfully change the hevac, it had errors because of the unplugged blend motor, but them all worked fine.

Sometimes it appears -40ºC as the exterior temperature it doesn't appear anymore with the new hevac control. I put the three pressure switch but still no cold air. Them I remind to reconnect the engine block temperature sensor, and it come back to lifE!!!

regards,

Nuno
 

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LEGACY VENDOR
1995-2002 Range Rover P38A
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Congrats :clap: :clap: :clap:
 

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Hi,

It means that the RR "thinks" that is 40 Negative Celsius Degrees when is here around 30 positive :p

Regards,
 

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-40 means the ambient temperature sensor is high resistance possibly bad contact in connector, though mine usually reports 'shorted to earth' in ECU fault log which would imply no resistance.

cheers John
 
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