Have the ABS control unit scanned for trouble codes in its memory.
I have seen this problem before. I have seen 2 repairs for the incidents I have seen.
1- you may have a bad wheel speed sensor. If one sensor is sending an erratic signal to the control unit, the control unit will think that the wheel associated with that sensor is going a different speed than the others and will activate the ABS system.
2- I have seen the control unit, which is part of the actuator, fail on these vehicles. You will usually ahve a trouble code and no problems with the sensors or wiring. Once you move the vehicle after erasing the code, the code will return. This is a very expensive part ($1200+).
I would recommend taking your vehicle to a trusted technician. If you don't have a normal tech who does your work, I would recommend your local dealer.
Hope this is helpful!!
Nissan Scope Technician- 10+ years experience in Nissan dealership
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I have this problem as well. However, I have replaced the speed sensor and the brakes, as well has the rotors..And continues to do, with no codes coming up when I have the computer analysis done...abs comes on and brake pulsates, and makes difficult to stop.....
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