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Old 8th October 2018, 05:43 PM   #1 (permalink)
CabbageMS is trying to keep r32godzilla.com up to date...
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HICAS light flashes on during hard accel and power steering drops

Hi all, I have an issue where my HICAS light comes on briefly if I am accelerating hard. During this fleeting moment the power steering drops out. Pretty hairy when in corners.
  • I've just replaced the speedo cable as that was suggested as the issue.
  • I've connected to HICAS ECU and steering wheel is reporting correct position relative to real life.
  • Battery has been freshly charged and reads approx 14.something volts when running.
  • Have cleaned up earth points on rear subframe as I recently epoxied that.
  • Speedo is stock and still in km/h.
  • ATTESSA pump does seem to prime frequently (every 10 seconds or so), unsure if that's related.

Any ideas? I'm missing out on track days and general car enjoyment at the moment as I haven't got the confidence in the car.

Not interested in removing HICAS at the moment and not convinced that would help anyway as I'm losing power assistance to the steering every time it drops.

Thanks in advance
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Old 8th October 2018, 06:45 PM   #2 (permalink)
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I was just going to say bad earth.
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Old 9th October 2018, 10:18 AM   #3 (permalink)
CabbageMS is trying to keep r32godzilla.com up to date...
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I notice that this issue seems to have cropped up with a number of people and never seems to be resolved:

https://www.gtr.co.uk/forum/48445-vo...p-r32-gtr.html

https://www.gtr.co.uk/forum/106138-r...shez-help.html

https://www.sau.com.au/forums/topic/...e-know-thanks/
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Old 9th October 2018, 11:49 AM   #4 (permalink)
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I was having the exact same issue, resolved it by installing a Tomei Hicas lock kit as Im not too fond of the system, especially on the track.
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Old 2nd January 2019, 10:56 AM   #5 (permalink)
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I've also checked the power steering fluid level and whilst it needed topping up, this hasn't resolved the issue.

Any ideas?
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Old 3rd January 2019, 09:15 AM   #6 (permalink)
CabbageMS is trying to keep r32godzilla.com up to date...
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For anyone that's interested, I disassembled the HICAS control unit to confirm that no screws had come loose inside (as Nissan Australia issued a service amendment to loctite these down). Nothing had come loose inside.
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