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HICAS

Started by Mish, Feb 17 2011 08:11 AM

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#1
Mish
Posted 17 February 2011 - 08:11 AM

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Hey 33 owners or those who know stuff about HICAS. So this horrible system is intermittently failing me, i get a warning light on my dash randomly and its like driving a missionary tank when I do. Originally we thought it was linked to the steering wheel cause Rhys had the same problem with that steering wheel several years ago when he had the car, but I've now got a new steering wheel on and it's still doing it.

Has anyone had this problem before?

Or anyone know the solution or a good replacement for the HICAS system?

Cheers
I'm not a complete idiot, some parts are missing

#2
Ten Four
Posted 17 February 2011 - 10:45 AM

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It'll do it as long as you've got that boss kit.
Some work with hicas (expensive), some don't.

Either get a lock bar (not really necessary), put stock wheel back on, or get a boss kit that works with hicas.

Or just pull the globe...

#3
Char
Posted 17 February 2011 - 11:06 AM

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loads of info on this on the net, do u have a lock bar or standard?

-waits for honaldo to chime in with "hicas is good" :doh:

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#4
Mish
Posted 17 February 2011 - 11:56 AM

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It'll do it as long as you've got that boss kit.
Some work with hicas (expensive), some don't.

Either get a lock bar (not really necessary), put stock wheel back on, or get a boss kit that works with hicas.

Or just pull the globe...



It did it with the stock wheel and its a hicas boss kit :(
I'm thinking of getting a lock bar tbh
I'm not a complete idiot, some parts are missing

#5
Mish
Posted 17 February 2011 - 11:57 AM

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loads of info on this on the net, do u have a lock bar or standard?

-waits for honaldo to chime in with "hicas is good" :doh:


standard
HICAS is crap
I'm not a complete idiot, some parts are missing

#6
V8EATER
Posted 17 February 2011 - 12:27 PM

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I get a warning light on my dash randomly and its like driving a missionary tank when I do.
Cheers

Im not being a smart ass but have you checked the power steering fluid level? I would imagine you have already.

Hicas is only crap if you intend on sliding the car sideways all the time. It does make it difficult to keep the car straight sideways. Apart from that, i think the hicas is good.

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#7
Mish
Posted 17 February 2011 - 12:43 PM

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Im not being a smart ass but have you checked the power steering fluid level? I would imagine you have already.

Hicas is only crap if you intend on sliding the car sideways all the time. It does make it difficult to keep the car straight sideways. Apart from that, i think the hicas is good.


*SLAP* i'm not a complete idiot!! haha, yes it has power steering fluid, and if i didnt it wouldn't be intermittently hard to steer!! haha

na i just hate how it wont freaking work
I'm not a complete idiot, some parts are missing

#8
Nic_A31
Posted 17 February 2011 - 04:54 PM

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what exactly isn't working?

HICAS light = error code stored in computer.
HICAS computer does have a diagnostics system similar to RB20 ECU's where a certain number of flashes equals a corresponding error code.

HICAS light coming on, doesn't neccesarily mean there is currently/still something wrong.

#9
2LV8ETR
Posted 17 February 2011 - 05:54 PM

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Rip the fucker out.

End of problem forever.

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#10
Nak
Posted 18 February 2011 - 12:06 AM

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another dumb question like brett's but have you checked the attessa in the boot for fluid levels?


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#11
Socrates
Posted 18 February 2011 - 06:27 AM

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R33's electric HICAS and don't have the bottle in the boot

#12
Nic_A31
Posted 18 February 2011 - 07:52 AM

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^^ Neither do R32s. They use a bigger power steering resevoir.

ATTESA is AWD not AWS.

#13
Nak
Posted 18 February 2011 - 09:59 AM

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i had an 33 s 1.5 and it had a bottle in the back
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#14
94GTRR32
Posted 18 February 2011 - 12:25 PM

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my 32 has fluid reservoirs in front and back. I have had Hicas light flick on and off intermittantly before cos of low fluid level in the front one.

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#15
Socrates
Posted 18 February 2011 - 01:59 PM

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my 32 has fluid reservoirs in front and back. I have had Hicas light flick on and off intermittantly before cos of low fluid level in the front one.


GTR = AWD, atessa in the back

#16
Nic_A31
Posted 18 February 2011 - 02:10 PM

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ATESSA has nothing to do with HICAS....

#17
2LV8ETR
Posted 18 February 2011 - 05:46 PM

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In an R32, the HICAS is run from the power steering pump and uses the same reservior in the engine bay. When you disable the HICAS you either loop the line to the rear and remove the lines or use a power steering pump from another car, such as an R31. There is an actuator in the engine bay on the driver's side chassis rail which controls the amount of fluid sent to the rear to engage the HICAS. This is where you loop the feed.
In the R33, later versions and some models used Super HICAS, and it's controlled by an electric actuator on the diff housing, and you just pull the harness connector, reef the bastard off, and throw it in the bin. The earlier versions and other models used the hydraulic HICAS which is why you'll find them in some 33's.
If you remove or disconnect the HICAS computer under the rear parcel shelf, you will lose your speed sensitive steering which is controlled by this unit. As soon as you remove the HICAS, the fault light will illimunate, so you just pull the globe to stop it from pissing you off.

The ATTESSA-ETS (AWD system) is contolled by a pump on the rear of the gearbox and the reservior for this is in the boot. The ATTESSA is controlled by a computer which is also located under the rear parcel shelf, and G-sensors under the center console.

Any more questions?

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#18
Mish
Posted 20 February 2011 - 07:53 AM

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heyhey, teacher Allen, can you come fix it? :P
I'm not a complete idiot, some parts are missing

#19
Mally
Posted 20 February 2011 - 04:26 PM

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You know his way of fixing it will be to rip it out yer?

#20
94GTRR32
Posted 20 February 2011 - 05:50 PM

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The ATTESSA-ETS (AWD system) is contolled by a pump on the rear of the gearbox and the reservior for this is in the boot. The ATTESSA is controlled by a computer which is also located under the rear parcel shelf, and G-sensors under the center console.


Thanks allen, I didnt realise this was the Attessa reservior bottle.

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