[s-cars] RE: S-CAR-List digest, Vol 1 #1141 - 15 msgs

[Paul Heneghan]

I think everything gets illuminated.  They tend to use tungsten bulbs however, whioch burn out over time.  It is possible to dismantle the switches and solder new bulbs in - alternatively, you could solder in a LED and resistor if there's room.

I think the crossed-out bulb (the white one) indicates an imbalance with the headlights - either different wattage bulbs, a blown one, or a fault in the monitoring circuit.  There is another diagnostic which shows a problem with the rear brake lights - this comes on when you turn the ignition on and stays on until the first time you press the brakes whereupon it goes out if there is no imbalance between the rear brake lights.

I don't think the fogs (front or rear get tested).

Paul

> -----Original Message-----
> Message: 6
> Reply-To: <Kenneth_Madsen at alumni.nd.edu>
> From: "Kenneth Madsen" <Kenneth_Madsen at alumni.nd.edu>
> To: "S-Car List" <s-car-list at audifans.com>
> Date: Thu, 6 Mar 2003 22:25:54 -0500
> Subject: [s-cars] panel illumination
>
> Still learning about my new S4.  I'm wondering now which lights on my center
> console may be burned out.  The only lighted switches I have are the front
> and rear fog lights and the hazard light.  Should any others be illuminated?
> Should the heated seat switches be illuminated?
>
> Also, the self-diagnostic test always shows a fault with the lights (picture
> of a bulb crossed out).  The previous owner said that the fault is triggered
> as a result of using non-spec (but brighter) bulbs in the headlight
> assembly.  He figures there is some type of ohm check across the bulbs that
> causes the fault indication.  Is there such an ohm test?  Or could it be my
> burned out rear fog light causing the problem?
>
>


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