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Old 05-24-2011, 03:40 PM   #1
iagei
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'00 ZTS, ABS and Parking brake light on

I just bought an '00 ZTS sedan today (MTX) and the ABS and Parking brake lights are on. Seller says it's just a sensor, and I'm inclined to believe him since the car stops fine.


Low fluid? Bad ABS sensor?


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Old 05-24-2011, 04:28 PM   #2
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Check the fluid level closely. Red lights on the dashboard mean GIVE ATTENTION NOW.

The ABS light could be from a dirty or broken wheel sensor, broken reluctor ring on the axle or hub, or an electrical problem.
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Old 05-24-2011, 04:40 PM   #3
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....are any of those hard?


I feel nothing odd in the pedal, and it stops fine. Literally, nothing in the pedal to suggest otherwise.
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Old 05-24-2011, 05:43 PM   #4
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Is there any way to find out which/if what sensor failed? I can't find anyone who rents out a scan tool.
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Old 05-24-2011, 07:05 PM   #5
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A lot of times you can just pop them out of the hub and visually inspect them. If they have a lot of dust or grit on them, they won't read correctly. They are magnetic, so they attract iron filings and such. Likewise the reluctor rings on the axles/hubs; they need to be clean and free of any dirt, grit, or chips in the teeth.

I would start there.
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Old 05-24-2011, 10:10 PM   #6
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Quote:
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A lot of times you can just pop them out of the hub and visually inspect them. If they have a lot of dust or grit on them, they won't read correctly. They are magnetic, so they attract iron filings and such. Likewise the reluctor rings on the axles/hubs; they need to be clean and free of any dirt, grit, or chips in the teeth.

I would start there.
What do the sensors look like? (I should probably buy a Haynes manual, huh)
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Old 05-24-2011, 11:15 PM   #7
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Have you checked the fluid level yet? Low fluid can cause both a red brake light and ABS light.
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Old 05-25-2011, 09:18 AM   #8
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Fluid level is fine......
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Old 05-25-2011, 09:30 AM   #9
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A disabled ABS system will also give both lights on, (disables itself when it cant find all wheelsensors, and also if it lacks +12v, chk fuses). For the sensors I strongly recommend doing a scan of the errorcodes, to make life a bit simpler. Car will stop just fine with the ABS system inop, but will not help you when its slippery and you hammer the brakes...
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Old 05-25-2011, 03:40 PM   #10
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What do the sensors look like? (I should probably buy a Haynes manual, huh)
Haynes manual would help, but you can follow the electrical wires down to the wheel hubs and locate them pretty easily. They are held in by one tiny bolt, usually.
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