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4wd In R32 Gtr Not Working

Jez13
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Jez13 Mentor

Jez13

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I started my car up one morning and the 4wd light stayed lit. Flicked my custom 4wd switch a couple of times but it would not fix. Checked the 4wd fuse and it is still active. There are no strange noises coming from anywhere (nothing loud enough to hear anyway). The car opperates fine, besides being in rwd mode. Has anyone else had a similar issue? Or does anyone know what the problem might be? My guess is it might be something electrical not working anymore...

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https://www.sau.com.au/forums/topic/290941-4wd-in-r32-gtr-not-working/
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Jez13 Mentor

Jez13

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Take the plugs out of comput in boot under the rear parcel tray & clean & reconnect. My car does it quite reguraly it seems to work for me. Think me have faulty plug.

thanks guys, will try both at lunch and let you know how I went. Cheers!

Swiper the Fox Grand Master

Swiper the Fox

Posted
Posted (edited)

sounds like the tps is faulty or not adjusted to read 0.4V at key on. The Attessa looks for this voltage and if too high or low will not allow the 4wd to work.

Edited by DiRTgarage
Jez13 Mentor

Jez13

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sounds like the tps is faulty or not adjusted to read 0.4V at key on. The Attessa looks for this voltage and if too high or low will not allow the 4wd to work.

Bugger. So no simple fix here I see. I wonder if the fact that I have a 33 gtr engine and a 32 gtr gear box has anything to do with it. I can't see why it would though.

post-59308-1254883850_thumb.jpg

Swiper the Fox Grand Master

Swiper the Fox

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Bugger. So no simple fix here I see. I wonder if the fact that I have a 33 gtr engine and a 32 gtr gear box has anything to do with it. I can't see why it would though.

i think from memory the wire at the attessa is purple...check the voltage of that to ground.

Jez13 Mentor

Jez13

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i think from memory the wire at the attessa is purple...check the voltage of that to ground.

checked from the hicas and voltage does not move from the control unit in the boot after pressing the accelerator and yes the ignition was on. However the purple wire going into the pfc was working fine, so the fault must be with the pfc. Either way I have to take it to a mechnic that knows pfc's (can anyone recomend in hills district?) becuase all my electrics have just decided to go spastic like I have dropped a major earth. My stanard guages oil pressure is reading 10 bar (off scale) but my after market guage is reading 50 psi. Whenever I use the blinker the power steering turns off every time the blinker emits and then turns on every time the blinker is off. So turning a corner with the blinker is on (power steering off, on, off, on.....). Same goes for braking and basically anything electrical. Kind of scary now.

Jez13 Mentor

Jez13

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Turns out it was only a bad earth. All electrics are now working again and even my 4wd. Thanks magic bolt and now I can still go to putty road. Thanks dirt garage and co for your advice...such a simple fix, slightly embarrassed but mostly releived.

  • 1 year later...
zr200 Enthusiast

zr200

Posted
Posted

my r32 gtr did this at the local drags yesterday.

had 3 runs, then lined up again and the anti-lock light lit up on the dash.

went to do a burnout and only had rear wheel drive.

after the run, which was basically a powerskid, i checked all fuses but nothing seemed wrong.

started the car again and the light had gone out. lined up for another run and while waiting the anti-lock light came on again. 2wd again.

is the fluid resevoir in the boot anything to do with the atessa, or only hicas? and is it normal for it to drop to minimim level when hot, but be on full when cold.

want to go to willowbank this wednesday so want to get it sorted.

guess i will start with the atessa ecu, then check for any loose earths.

any advice would be appreciated.

zr200 Enthusiast

zr200

Posted
Posted

is it a common problem for the 4wd light on the dash not to work.

mine dosent work, and i just pulled the dash apart to hopefully replace the bulb, but the bulb was fine.

has never lit up since i have owned the car??

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