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Old 04 Oct 2007, 03:12 pm
Gary Brown
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Default Key Code???

Hi,

According to the manual my 2005 RSX's keys have a key code.
Does this mean there are some electronics or magnetics inside
the key? Replacing one of the keys for my wife's Lexus was a
pain in the neck. I thought those simple looking RSX keys meant
a trip to Sears for a spare. Not true?

I bought the car used and got only a piece of paper with what looks
like the radio code. Nothing specific about keys.

Thanks,
Gary


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Old 04 Oct 2007, 05:30 pm
Jim Yanik
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Default Re: Key Code???

"Gary Brown" <garyjbrown@charter.net> wrote in
news:kJbNi.61$657.6@newsfe02.lga:

> Hi,
>
> According to the manual my 2005 RSX's keys have a key code.
> Does this mean there are some electronics or magnetics inside
> the key?


it has a passive RFID chip inside,that gets scanned by a reader near the
ignition switch,that matches a code stored inside the fuel injection
computer(ECU).it's a hopping code;not the same each time.
That way,you [and thieves!] cannot start the engine without the right
key,or by replacing the entire ECU.

The RFID chip has an antenna and is energized by the scanner's
interrogating RF field[your key needs no batteries],then transmits it's
code to the scanner.That gets compared to what's in the ECU. A match allows
your car to start.

> Replacing one of the keys for my wife's Lexus was a
> pain in the neck. I thought those simple looking RSX keys meant
> a trip to Sears for a spare. Not true?


It beats having your RSX stolen like my Integra GS-R was June 29th,despite
an alarm with starter disable.
>
> I bought the car used and got only a piece of paper with what looks
> like the radio code. Nothing specific about keys.
>
> Thanks,
> Gary


the dealer can use your auto's VIN to get the correct key code.


--
Jim Yanik
jyanik
at
kua.net
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