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ABS problem

Old Mar 11, 2009 | 09:03 AM
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Default ABS problem

so my abs isnt working, and hasnt been since a bought the car about a year ago. it will work sometimes and the light will go off after heavy rains for a few minutes then the light will cone back on and the abs will quit working, so im thinking it has a grounding issue. i've replaced the abs computer already so i know thats not the issue. and i have another su****ion that it could be the relays up front, but i have no clue what the part number is for a 93 ex. is there anyway to pull the abs code like you would the engine code? my trunk leaks a little from wheel well rust, causing it to maybe complete a circuit during a heavy rain?

Edit: so apparently i cant say s u s p i c i o n on this thread thats what su****ion is
 

Last edited by vtecaddict; Mar 11, 2009 at 09:07 AM.
Old Mar 11, 2009 | 09:15 AM
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Jump the service connector to pull the ABS codes from the ABS ECU.



 

Last edited by RonJ; Mar 11, 2009 at 09:20 AM.
Old Mar 11, 2009 | 09:16 AM
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do i need to go to the dealer? of is there a special way to do it im not familiar with?
 
Old Mar 11, 2009 | 09:22 AM
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Originally Posted by vtecaddict
do i need to go to the dealer? of is there a special way to do it im not familiar with?
No, see my edited post above. It's just like pulling CEL codes. Troubleshooting the ABS code(s) can be found in the 92-95 service manual at the link in my signature.
 
Old Mar 11, 2009 | 09:25 AM
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thanks Ron. ill try doing this later today. you're a great asset to this forum.
 
Old Mar 11, 2009 | 09:28 AM
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Hey, no problem. This way you can pinpoint the problem without randomly replacing parts.
 

Last edited by RonJ; Mar 11, 2009 at 09:36 AM.
Old Mar 11, 2009 | 10:08 AM
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it flashed once, then the check engine flashed, im guessing that means its a faulty pressure switch. now i just gotta see if the manual says where its at...
 
Old Mar 11, 2009 | 10:10 AM
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Originally Posted by vtecaddict
it flashed once, then the check engine flashed, im guessing that means its a faulty pressure switch. now i just gotta see if the manual says where its at...
Looks like possibilities are a faulty pump motor, solenoid, or pressure switch. You'll need a digital multimeter and a special bleeder wrench to troubleshoot (see manual pages 19-61 and 19-62).

What CEL code was found?
 

Last edited by RonJ; Mar 11, 2009 at 10:16 AM.
Old Mar 11, 2009 | 10:13 AM
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just one long flash on both then it repeated abs then check engine
 
Old Mar 11, 2009 | 10:21 AM
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You have either CEL code 1 (one short blink) or 10 (one long blink) = O2 sensor or intake air sensor.

Clear the ECU to determine whether the CEL code returns.
 

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