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#1
01-04-2009, 06:20 PM
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Sensor lights on dash come on when off idle
After a recent service, my various sensor alarm lights come on as soon as the car is not idling - battery light, stop lamp light, Park Brake, Brake Fluid and Antilock Brake.
Has anyone had the pleasure of a similar experience? If so what is the most likely cause before I take it back to the workshop and give them a roasting... 
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#2
01-04-2009, 09:11 PM
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Re: Sensor lights on dash come on when off idle
Clarify: Not idling
Does that mean as soon as you rev the engine?? Or does that mean as soon as the car is turned off?
__________________
Chris "A person convinced against their will, is of the same opinion still"  New?? Find the downloadable SVX Online Service Manual Here RECOMMENDED READING for newer SVX owners Here some cool info if not fully accurate.
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#3
01-04-2009, 11:43 PM
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Re: Sensor lights on dash come on when off idle
Quote:
Keith 
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#4
01-05-2009, 05:41 AM
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Re: Sensor lights on dash come on when off idle
My guess is that your alternator belt is slipping. Check it is tight and in good condition.
__________________
Subaru ECU and TCU Website 1992 Alcyone SVX Version L 1992 Alcyone SVX Version L 1994 Alcyone SVX S40-II 2004 Subaru Legacy 2.5 SE Sports Tourer 1996 Subaru Legacy 2.2 GX Wagon 1988 Subaru Justy J12 SL-II
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#5
01-05-2009, 06:46 AM
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Re: Sensor lights on dash come on when off idle
Yeah, mine gets angry and lights up all over like that when my PS belt breaks or comes off... Which is often..
__________________
1992 Pearl White LS-L "Ruslana" #4946 - 180k on body, 95k on engine. Mods: ECU bead crush, 15 min mod, 20 min mod, drilled/slotted rotors & Axxis ceramic brakes, SS lines, 17" Evoke F1 wheels, XS-HF137 Sony Xplod speakers, 6000k HID's (lows & fogs), resistor mod, 1½" Sleek Spoiler mod, custom exhaust by svxfiles, '02 WRX aluminum racing radiator by svxfiles, Summit Racing 400# x 300# springs w/ Koni's by svxfiles, ClassGlass fiberglass hood /w scoop, Nevin's rear sway bar, '97 grille, phenolic spacers, custom LED interior lighting, custom paint. †"War doesn't determine who is right, only who is left"† Work to be done: Tinted windows, clear/LED tail lights, tailbar mod, "Power Mode" mod, Supertone horns, clear corners & headlight lenses, 2 pc splitters or custom bumper, Alcyone side skirts, TruSpeed Stage III SVX Intake, Hydra, 4.44 tranny swap, JDM auto folding side mirrors, engine rebuild, super charger, STi seats, bone leather interior /w SVX emblem, dash overhaul, SVX decals, paint (stock color). Total cost?: 22k  At least it's going down..
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#7
01-05-2009, 10:12 PM
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Re: Sensor lights on dash come on when off idle
I would bet it is a problem with the voltage regulator (internal to the alternator). I think you need a new alternator.
__________________
2009 Volvo C70 T5 2008 Volvo S80 V8 2006 Range Rover Sport 2001 Audi S8
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#8
01-06-2009, 10:32 AM
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Re: Sensor lights on dash come on when off idle
Search the forum for "Christmas Tree Lights".
You may come across a detailed post from Trevor explaining why the problem occurs.
__________________
Subaru ECU and TCU Website 1992 Alcyone SVX Version L 1992 Alcyone SVX Version L 1994 Alcyone SVX S40-II 2004 Subaru Legacy 2.5 SE Sports Tourer 1996 Subaru Legacy 2.2 GX Wagon 1988 Subaru Justy J12 SL-II
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#9
01-06-2009, 12:39 PM
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Re: Sensor lights on dash come on when off idle
Quote:
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#10
01-06-2009, 09:47 PM
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Re: Sensor lights on dash come on when off idle
Check your wiring to your battery. I have seen this in my svx, and found the battery post connections very corroded. ( okay at idle, lights would come on very dim at about 3500-4000 rpm )
__________________
1992 (JDM) CXD Ebony Pearl 90K km written off hail damage 1996 (CDN) Lsi, Polo Green, 296,000 km 2009 Legacy Spec B
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#11
01-07-2009, 08:43 AM
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Re: Sensor lights on dash come on when off idle
Mine turn on and off at idle. Also the engine RPMs rise slightly. My belt was bad so I thought it was slipping. I replaced it and had the same problem. Its been doing this for a while and only does it after a long drive. I am going to test the alternator today hopefully.
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#12
01-15-2009, 06:56 PM
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Re: Sensor lights on dash come on when off idle
Thank you to all! Great lot of info and it was definitely the alternator - putting out 18V!! As they are no longer manufactured my electrician managed to get another Subaru model where he simply had to modify the bracket slightly and use the pulley from the original alternator. All is well now and the "Christmas Lights" are gone. Very coincidental that they did come on at Christmas time!!!
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#13
02-08-2009, 03:30 PM
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Re: Sensor lights on dash come on when off idle
Thanks to all and the Christmas lights thread - it was the alternator. Had it replaced with a new Subaru (not SVX but fits OK using original pulley). All lights OK. Within a week my dash lisghts started pulsating pointing to an alternator problem. It was - had it replaced for another new one under warranty - let's see it this lasts a bit longer!!
Thanks again for the assistance!
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#14
02-08-2009, 06:04 PM
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Re: Sensor lights on dash come on when off idle
Quote:
__________________
2009 Volvo C70 T5 2008 Volvo S80 V8 2006 Range Rover Sport 2001 Audi S8
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#15
02-08-2009, 08:48 PM
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Re: Sensor lights on dash come on when off idle
Thank you for that message. We are talking "Down Under" where there were very few SVX's imported so it is becoming somewhat of a rarity with virtually no parts available! I'll get the full specs of the replacement!
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