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RABS problem


nooberiffic

Well-Known Member
Joined
May 21, 2009
Messages
173
Vehicle Year
1990
Transmission
Manual
was having problems with my RABS (, so I pulled the 20amp fuse under the dash until I had time. So put it back in to troubleshoot, and noticed that the ABS light would come on after about 10 seconds, and it would brake erratically, and make a noise like something was locking up...

Pulled the codes, six short and one long flash and repeating (does that count as six or seven flashes?). six is erratic speed sensor, I changed it out, and it says the same thing, and has the same symptoms while braking. What gives?
 
or does that count as seven flashes?
 
or does that count as seven flashes?

Six short and one long is seven.

"No Isolation Valve Self-Test".

The isolation valve is the first one in line, closest to the master cylinder as the fluid flows.
 
If you pulled fuse then if there is a code stored, its still there, I would put fuse back in and start vehicle to to see whats what on dash lights. Shut it off and disconnect the battery and let it sit for 5 minutes, It drains the memory and all computer codes set back to default. Reconnect and start vehicle, Then if a light comes back on then check for codes.
 
when is the last time you changed the diff fluid?


bearings may be taking a dive in the rear end.
 

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