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 ABS Light on in my 92 RMW

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BigBrian




Posts : 31
Join date : 2018-02-28

ABS Light on in my 92 RMW Empty
PostSubject: ABS Light on in my 92 RMW   ABS Light on in my 92 RMW Icon_minitimeWed Feb 28, 2018 1:26 pm

Like the title states the ABS light is on in my 92 Wagon. I jumped the pins, code 61.

Relays click on and off with 12v applied is my ABS motor bad perhaps? Best way to test this?
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Fred Kiehl

Fred Kiehl


Posts : 7290
Join date : 2009-11-13
Age : 76
Location : Largo, FL 33774

ABS Light on in my 92 RMW Empty
PostSubject: Re: ABS Light on in my 92 RMW   ABS Light on in my 92 RMW Icon_minitimeThu Mar 01, 2018 11:30 am

Check the relay contacts, and reestablish the ground. If the relay does not fix it, and the ground is good, then the whole assembly must be replaced.

Are you in the rust belt?
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BigBrian




Posts : 31
Join date : 2018-02-28

ABS Light on in my 92 RMW Empty
PostSubject: Re: ABS Light on in my 92 RMW   ABS Light on in my 92 RMW Icon_minitimeThu Mar 01, 2018 1:01 pm

Yes I am in the rust belt.

I will check the relay contacts tonight. Also where is the ground on this unit?
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Fred Kiehl

Fred Kiehl


Posts : 7290
Join date : 2009-11-13
Age : 76
Location : Largo, FL 33774

ABS Light on in my 92 RMW Empty
PostSubject: Re: ABS Light on in my 92 RMW   ABS Light on in my 92 RMW Icon_minitimeThu Mar 01, 2018 1:40 pm

There is a small black wire coming from the unit.
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BigBrian




Posts : 31
Join date : 2018-02-28

ABS Light on in my 92 RMW Empty
PostSubject: Re: ABS Light on in my 92 RMW   ABS Light on in my 92 RMW Icon_minitimeThu Mar 01, 2018 1:49 pm

Thanks I will check that out
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MalibuSSwagon




Posts : 580
Join date : 2014-01-12
Location : NH

ABS Light on in my 92 RMW Empty
PostSubject: Re: ABS Light on in my 92 RMW   ABS Light on in my 92 RMW Icon_minitimeWed May 30, 2018 3:09 pm

What pins get jumped to pull codes? Have the abs light on constant so I am thinking blown fuse or electrical fault. I've had this issue before with my 92 Volvo wagon, same Bosch system, was a blown fuse.
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MalibuSSwagon




Posts : 580
Join date : 2014-01-12
Location : NH

ABS Light on in my 92 RMW Empty
PostSubject: Re: ABS Light on in my 92 RMW   ABS Light on in my 92 RMW Icon_minitimeThu May 31, 2018 9:20 pm

Could use some help with this one. I'm getting code 61 for the ABS. Light came on constant when starting the car at first. I cleaned the ground going to the motor, and added another ground to the core support. Now lights goes out after initial self test. Run the engine and the light comes back after about 30 seconds. Pulled code again. Still 61. Swapped out the motor relay. Code still comes back. I'll try disconnecting the battery tonight in case the system stores the codes (I doubt it does). Would anyone have a troubleshooting flow chart or tips? Not turning much up on google.
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MalibuSSwagon




Posts : 580
Join date : 2014-01-12
Location : NH

ABS Light on in my 92 RMW Empty
PostSubject: Re: ABS Light on in my 92 RMW   ABS Light on in my 92 RMW Icon_minitimeFri Jun 01, 2018 1:30 pm

Well in case you are still curious. I solved the issue. Of the light being on. I jumped the pump motor directly to the battery. Nothing. Search google. No new or reman parts out there. Start tracing wiring and testing a spare cluster to see if there is a solid state logic in the cluster. Nope the light just gets grounded to turn on. So I unplugged the EBCM under the hood, and the ABS module under the dash. Success! ABS light does not light up. Which means I was good to go this morning for state inspection. I did try just unplugging one or the other module, and it seems that it's wired just like the brake warning light, either module can ground the light. So if both modules are unplugged, there is no other system to check the ABS functions. I might repair it someday, but it's just a summer driver so maybe not.
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ABS Light on in my 92 RMW Empty
PostSubject: Re: ABS Light on in my 92 RMW   ABS Light on in my 92 RMW Icon_minitime

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ABS Light on in my 92 RMW
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