98 Nubira.
Steps I've done:
1. Inspected drive shaft rings
2. Tested all 4 wheel sensors with voltmeter
3. Cleaned all the contacts and fuses with a special spray
4. Replaced ABS relay $8 (mine was good)
5. Swaped the EBCU from the friends car (mine worked good)
6. Pulled apart engine fuse box (It had a bad contact to the ABS fuse)
7. Reconnected the negative battery cable to reset electronics
I hope It will help somebody.
P.S. ABS diagnostic steps from the factory manual are insane b.s.
Solution for your ABS LIGHT problems
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