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Car Forum / Lexus Cars / February 2006

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RX300 - Clock resets to 1:00am

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azf713 - 20 Feb 2006 13:25 GMT
The clock in my 2000 RX300 has started to reset itself to 1:00am. This
usually happens after a clold night, or on really cold days when the car has
been sitting for a couple of hours.
Thinking it could be a dirty connection on the battery, I cleaned the posts
and the connectors, but still the problem happens.
The car cranks well, and the alternator is delivering full output.

Any ideas/suggestions would be appreciated.
Thanks
AZF
Ray O - 20 Feb 2006 14:38 GMT
> The clock in my 2000 RX300 has started to reset itself to 1:00am. This
> usually happens after a clold night, or on really cold days when the car
[quoted text clipped - 6 lines]
> Thanks
> AZF
Have you checked the clock fuse?
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Ray O
(correct punctuation to reply)

azf713 - 20 Feb 2006 14:46 GMT
Thanks for the reply.
I've replaced it just as a precaution, and it still happens.
I don't know if there's an on-board battery for the display...if there is, I
sure don't know where to find it.
AZF

>> The clock in my 2000 RX300 has started to reset itself to 1:00am. This
>> usually happens after a clold night, or on really cold days when the car
[quoted text clipped - 7 lines]
>> AZF
> Have you checked the clock fuse?
Ray O - 20 Feb 2006 14:57 GMT
> Thanks for the reply.
> I've replaced it just as a precaution, and it still happens.
> I don't know if there's an on-board battery for the display...if there is,
> I
> sure don't know where to find it.
> AZF

I don't think that there is an on-board battery for the clock.  There are 2
power sources for the clock.  The display is switched with the ignition and
accessories and the clock itself is always powered.
Signature


Ray O
(correct punctuation to reply)

Ethridgedsb - 20 Feb 2006 15:06 GMT
My RX did the exact same thing with the clock resetting, a week or so
before the battery failed.  Seemed like the battery level was falling
below a "threshold" overnight but still had enough power to start the
car in the morning.  New battery and all was well.

Ethridgedsb

> Thanks for the reply.
> I've replaced it just as a precaution, and it still happens.
[quoted text clipped - 13 lines]
> >> AZF
> > Have you checked the clock fuse?
azf713 - 20 Feb 2006 16:06 GMT
Thanks for the replies.
I would guess I should replace the battery now before I really have a
problem.
AZF

> My RX did the exact same thing with the clock resetting, a week or so
> before the battery failed.  Seemed like the battery level was falling
[quoted text clipped - 22 lines]
>> >> AZF
>> > Have you checked the clock fuse?
Robert - 20 Feb 2006 17:24 GMT
> The clock in my 2000 RX300 has started to reset itself to 1:00am. This
> usually happens after a clold night, or on really cold days when the car
[quoted text clipped - 6 lines]
> Thanks
> AZF

If your car still has the original battery, its no doubt giving you a hint
that it needs a new battery.
Robert - 20 Feb 2006 17:25 GMT
> The clock in my 2000 RX300 has started to reset itself to 1:00am. This
> usually happens after a clold night, or on really cold days when the car
[quoted text clipped - 6 lines]
> Thanks
> AZF

If your vehicle still has the original battery, install a new battery. Many
times when the clock does that, its a sign that the battery is on its last
legs.
azf713 - 20 Feb 2006 19:50 GMT
Well, thank you everyone for your suggestions.
I put a new battery in, and we'll see what happens.
(It was the original battery -- I didn't know Panasonic made car batteries)

Thanks again!

azf

>> The clock in my 2000 RX300 has started to reset itself to 1:00am. This
>> usually happens after a clold night, or on really cold days when the car
[quoted text clipped - 10 lines]
> Many times when the clock does that, its a sign that the battery is on its
> last legs.
Travis Jordan - 22 Feb 2006 23:46 GMT
> Well, thank you everyone for your suggestions.
> I put a new battery in, and we'll see what happens.
> (It was the original battery -- I didn't know Panasonic made car

My OE Pansonic battery lasted 36 months, 1 week, 2 days.  If you got 5
years out of yours you are doing great!
azf713 - 23 Feb 2006 03:52 GMT
Well, I put a new battery in, and the problem disappeared.
Thanks again!

AZF
>> Well, thank you everyone for your suggestions.
>> I put a new battery in, and we'll see what happens.
>> (It was the original battery -- I didn't know Panasonic made car
>
> My OE Pansonic battery lasted 36 months, 1 week, 2 days.  If you got 5
> years out of yours you are doing great!
Robert - 24 Feb 2006 00:22 GMT
That's what we're here for.

> Well, I put a new battery in, and the problem disappeared.
> Thanks again!
[quoted text clipped - 6 lines]
>> My OE Pansonic battery lasted 36 months, 1 week, 2 days.  If you got 5
>> years out of yours you are doing great!
 
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