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  #1  
Old 08-14-2008, 12:02 AM
drivemusicnow's Avatar
drivemusicnow drivemusicnow is offline
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ABS light diagnostic

I searched and couldn't seem to find any pertinent information. Something about an LED under the passenger seat... I dunno.

My ABS light comes on after between 2 and 5 minutes of driving. It stays on for the rest of the time, and ABS in inactive. How do I get my OBDII car to tell me what it's not happy with?

I am NOT going to a subaru dealership to get charged 90$ for them to hook up their fancy computer and check. I'd rather physically check everything myself, however if there is another way to have the computer tell me what's wrong, I'd love to hear about it.
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  #2  
Old 08-14-2008, 12:13 AM
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Re: ABS light diagnostic

It may be hard to read, but check out this page in the FSM about checking the ABS using the LEDs under the passenger seat.

CLICK HERE

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1996 Polo Green LSi #216..138,100 miles...SOLD

JFICX8659TH100216.....Date of Manufacture: November 16, 1995.....
Fuji Heavy Industries..Ōta North Plant....Ōta City,. Gunma Prefecture, Japan

In-Service Date: January 2, 1997



"The Pristine Green Polo Machine”
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HID lighting (5000K) for headlight and H3 fog lights, PIAA SuperExtreme 120W high beams, rebuilt EG33 longblock, Cometic head gaskets, Phase II flexplate, AMR aluminum radiator with custom silicone hoses, 160A high-output alternator in aluminum-ceramic coated case, new design alternator wiring upgrade v.4, rare factory headlight protectors, refinished JDM BBS mesh aluminum wheels and custom, polished billet aluminum new hex center caps, LED grille mod, R1 Concepts high-carbon cryo slotted rotors, Akebono ceramic pads, Goodridge S/S braided brake lines, Smallcar Stage 1 shift kit, ThermalTech aluminum/ceramic-coated valve covers, Energy Suspension urethane front & rear swaybar bushings, Bontrager22 rear swaybar with QS Components Chromoly Teflon/Kevlar endlinks, "$15.00/5 minute" suspension mod. Hella Supertone horns, Custom stainless steel exhaust system with 2" headpipes, Magnaflow cats, AeroTurbine AR25 resonator /AWD "Bullet" muffler.


R.I.P. 2010 Subaru Outback Limited 2.5 CVT...338,000 miles. Totaled by a 1,300 lb. COW March 4, 2016

2014 Hyundai Avante Limited ...178,000 miles. Actually quieter and smoother than the Outback

2007 Mazda Miata MX-5 PRHT...102,000 miles.
Plenty of parts, service and windshields.


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  #3  
Old 08-14-2008, 12:50 AM
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Re: ABS light diagnostic

The same page, Section 4-4, pg 71, of the FSM says:


B: SELF-DIAGNOSIS

Conduct self diagnosis after driving the vehicle at speeds greater than 19mph for at least one minute. The vehicle must be stopped with the engine operating. When a problem is detected by self-diagnosis, the warning light on the instrument panel comes on.

Approximately 5-12 seconds after the warning light has come on, the problem detected by the ABS control unit (located under the right front seat) is displayed by a trouble code in terms of "the number of LED blinks"

Both the warning light and the LED remain activated unless the ignition is turned OFF. With the ignition key turned OFF, the contents of the problem stored in the memory are reset.

Only one trouble code is displayed at a time. When a multiple of problems occur, only the first problem detected is displayed.

If the LED does not activate (though the warning light is ON) the power supply may be inoperative.



C: LIST OF TROUBLE CODES

00 (LED OFF)...Improper power line voltage or faulty harness.
01...Broken or shorted solenoid valve circuit(s) in hydraulic unit ..LEFT FRONT WHEEL CONTROL
02...Broken or shorted solenoid valve circuit(s) in hydraulic unit ..RIGHT FRONT WHEEL CONTROL
03...Broken or shorted solenoid valve circuit(s) in hydraulic unit ..RIGHT REAR WHEEL CONTROL
04...Broken or shorted solenoid valve circuit(s) in hydraulic unit ..LEFT REAR WHEEL CONTROL

05...Faulty wheel ABS sensor ..LEFT FRONT WHEEL SPEED
06...Faulty wheel ABS sensor ..RIGHT FRONT WHEEL SPEED
07...Faulty wheel ABS sensor ..RIGHT REAR WHEEL SPEED
08...Faulty wheel ABS sensor ..LEFT REAR WHEEL SPEED

09...Faulty motor and/ or motor relay or broken or shorted harness circuit.
10...Faulty valve relay or broken or shorted harness, or interrupted ABS (causing brakes to function as a conventional brake system.) Unidentified fault that are not equivalent to trouble codes 1-16

16...Faulty ABS Control Unit or broken or shorted harness or malfunctioning system or line unidentified by vehicle ABS sensor fail-safe function.


Hope this helps. maybe you can get borrow Section 4 of the FSM from a local member, or get a scan of that section for further troubleshooting help and electrical values. Hope this helps you get started.



.
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Subaru Ambassador

1996 Polo Green LSi #216..138,100 miles...SOLD

JFICX8659TH100216.....Date of Manufacture: November 16, 1995.....
Fuji Heavy Industries..Ōta North Plant....Ōta City,. Gunma Prefecture, Japan

In-Service Date: January 2, 1997



"The Pristine Green Polo Machine”
First Polo Green on the Network
First Clear front turn signals, JDM Alcyone hood emblem, rear panel, and BOXER engine cover on the Network (US) (2000)
First 5000K HID factory fog lights (2007)
First SVX JDM BBS wheels on a USDM SVX (2013)

HID lighting (5000K) for headlight and H3 fog lights, PIAA SuperExtreme 120W high beams, rebuilt EG33 longblock, Cometic head gaskets, Phase II flexplate, AMR aluminum radiator with custom silicone hoses, 160A high-output alternator in aluminum-ceramic coated case, new design alternator wiring upgrade v.4, rare factory headlight protectors, refinished JDM BBS mesh aluminum wheels and custom, polished billet aluminum new hex center caps, LED grille mod, R1 Concepts high-carbon cryo slotted rotors, Akebono ceramic pads, Goodridge S/S braided brake lines, Smallcar Stage 1 shift kit, ThermalTech aluminum/ceramic-coated valve covers, Energy Suspension urethane front & rear swaybar bushings, Bontrager22 rear swaybar with QS Components Chromoly Teflon/Kevlar endlinks, "$15.00/5 minute" suspension mod. Hella Supertone horns, Custom stainless steel exhaust system with 2" headpipes, Magnaflow cats, AeroTurbine AR25 resonator /AWD "Bullet" muffler.


R.I.P. 2010 Subaru Outback Limited 2.5 CVT...338,000 miles. Totaled by a 1,300 lb. COW March 4, 2016

2014 Hyundai Avante Limited ...178,000 miles. Actually quieter and smoother than the Outback

2007 Mazda Miata MX-5 PRHT...102,000 miles.
Plenty of parts, service and windshields.


4th Registered Network member —2/21/2001

My NEW locker..I...My Email..I..Wikipedia/SVX .

.

Last edited by svxcess; 08-14-2008 at 01:10 AM.
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  #4  
Old 08-14-2008, 04:12 AM
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Re: ABS light diagnostic

I don't know if it applies to all MYs, but (contrary to the FSM) you don't need to mess around with pulling up the carpet next to the door as it describes. Move the passenger seat forward and find the flap which is a couple of inches from the right rail, iirc.

Thanks to svxfiles for that tip - once again, answering all of my calls, even with Caller ID.
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  #5  
Old 08-17-2008, 08:16 AM
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Re: ABS light diagnostic

Quote:
Hope this helps. maybe you can get borrow Section 4 of the FSM from a local member, or get a scan of that section for further troubleshooting help and electrical values.
I have the section(US) in .pdf format I can send if you would like. Chapter is about 4.5MB and in a lot of small files, but doable. (sorry, my desktop with full adobe is down so I can't compile them)

Tania.
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