G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

ABS,SLIP, VDC on, along with buzzing noise

  #31  
Old 02-05-2019, 08:56 AM
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I feel for you guys up north and the Midwest with this brutal winter. Down here in South Texas it's never gotten to or below freezing yet which is highly unusual. I think our low temp so far was 34...
 
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  #32  
Old 02-10-2019, 10:24 PM
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Originally Posted by [email protected] View Post
Sounds like a stuck ABS motor relay, the sound is probably coming from the component bolted under the aluminum valve block for the ABS. You need to disconnect your battery so the motor doesn't just keep running until it burns out.

The relay is inside ( part of) the VDC actuator control box.
How do you get the relay out to replace? Seems like it should be simple....
 
  #33  
Old 02-11-2019, 11:59 AM
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Right in front of the ABS valve block/brake master cylinder there is a black plastic box that has 3 harnesses going into it. That's the ABS relay, disconnect your battery, pump the brakes, disconnect the 3 electrical harnesses. Now comes the tricky part, actually getting it to pop out of the clip that's holding it to the chassis, it's really tight quarters but you can get a screwdriver in there to release the snap and it lifts straight up. It's REALLY tight, no joke, I wouldn't blame folks for simply breaking it off of the mounting tab and reattaching the new ones with zip ties.

That relay was used on practically every Nissan vehicle for 15 years so you can easily source a new one from a junkyard, some have a slightly different location of the mounting tab but they all work, if you end up with one that has the mount tab shifted to the right it will be hugging the sheet metal on the other side, no big deal. Worst case if you don't like that just tie wrap around it back onto the mounting tab, it won't go anywhere.
 
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  #34  
Old 02-11-2019, 12:18 PM
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Originally Posted by [email protected] View Post
Right in front of the ABS valve block/brake master cylinder there is a black plastic box that has 3 harnesses going into it. That's the ABS relay, disconnect your battery, pump the brakes, disconnect the 3 electrical harnesses. Now comes the tricky part, actually getting it to pop out of the clip that's holding it to the chassis, it's really tight quarters but you can get a screwdriver in there to release the snap and it lifts straight up. It's REALLY tight, no joke, I wouldn't blame folks for simply breaking it off of the mounting tab and reattaching the new ones with zip ties.

That relay was used on practically every Nissan vehicle for 15 years so you can easily source a new one from a junkyard, some have a slightly different location of the mounting tab but they all work, if you end up with one that has the mount tab shifted to the right it will be hugging the sheet metal on the other side, no big deal. Worst case if you don't like that just tie wrap around it back onto the mounting tab, it won't go anywhere.
Thank you! We had the same issue as all have described. Lights came on, Motor running even after the key was removed. We disconnected the battery, and that stopped the motor, and left it overnight. The car is back to normal today. Historical code is C1111. Drove around for a while, no issues. Tested ABS in the snow..worked. Is it possible this is a one time fluke, or just replace the relay assuming it is on it's way out?
 
  #35  
Old 02-11-2019, 01:46 PM
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It's a common failure item unfortunately but you probably have about a year before it's 100% not functioning. Next time it won't stop buzzing just tap on the plastic housing with something solid like a ratchet and it usually frees up the contact. The most important thing is to listen for it when you exit the vehicle, if it stays locked it can eventually cook the ABS motor on the ABS valve block which is significantly more difficult and expensive to replace.
 
  #36  
Old 03-28-2019, 10:34 PM
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How do I remove the relay to replace

How do I remove that relay????????

Originally Posted by [email protected] View Post
This is the VDC relay box.
 
  #37  
Old 03-29-2019, 12:11 PM
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Unplug the harnesses, depress the tab on the backside and lift straight up, it's a pain. Use a small screwdriver to get the locking tab depressed, look on the new relay and you'll see exactly where it's at.

Wear gloves, the metal hanger on that fender well is super sharp.
 
  #38  
Old 03-29-2019, 12:14 PM
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I suppose if you had to you could just break the thing off and use double adhesive tap and tie wraps to hold the new one down. It's a serious motherF to get that thing off
 
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