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Subject ABS pump not shutting off
     
Posted by ZX-infinity (Dallas) on February 09, 2011 at 3:38 PM
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Message Happened this morning after I stopped on a slick ice patch on the shoulder of the interstate. ABS engaged as I came to a slow and steady stop, but the ABS light stayed on. As soon as I got to work, I shut off the car only to notice that the ABS pump was still actively buzzing. I disconnected the harness, only to find it was still coming on when I plugged it back in. I tried disconnecting the battery for 10 minutes, and after plugging it back in, it still wouldn't shut off.

After searching, it sounds the most likely culprit is the ABS relay. On Courtesyparts.com, there appear to be 3 of them on the 90-93 models:
[ http://www.courtesyparts.com/300zx-parts-z32-1990-1996/genuine-nissan-parts/brake/476-anti-skid-control/-c-882_883_982_990.html ]

Do all 3 need to be replaced? What's the difference between 47605 and 47605+A? I'm still at work, so I haven't had the chance to take it apart and look. And unfortunately, it is still slick outside so doing the normal diagnostic procedure would present potential harm.

     
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