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#1
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4WS no go :-(
The story so far:
Recently taken possession of a burgundy 91 with 4WS and all the good bits. It has been regularly maintained. The previous owner just paid mega to have the steering rack overhauled by the local agents in Auckland (Winger Subaru) at the beginning of Feb. HOWEVER...now the 4WS dash indicator is on almost permanently! Winger have been servicing the vehicle since 2000 and (surprise, surprise) say they never even knew that it had 4WS! Obviously the steering rack work has upset something. But what? I need to be able to intelligently advise the agents where to poke their probes so they can unravel and rectify their handiwork. Any assistance gratefully received. Thanks, Ian Last edited by nutshell; 03-03-2006 at 02:34 PM. Reason: clarification |
#2
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Have you pulled the 4WS codes yet?
Instructions in the SVXipedia.
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David B. SVXipedia @ SVX-IW.COM -- SVX Information Warehouse 2.0 coming...eventually! Ebony 1992 SVX LS-L 5 spd Koni/GC Stebro 187k miles RIP (Rust In Pieces) 1993 SVX 5 spd Koni/GC Stebro Polyurethane bushings still available! |
#3
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Hi Ian,
Got your PM. I'll reply here in case the answers help anyone else in the future. When you say the rack was overhauled, presumably they just replaced the seals etc in the existing rack, rather than swapping in a rack from another car? I'm asking this because the front rack on the 4WS car is a different ratio to the 2WS SVX rack. Turning the steering wheel from lock to lock should be about 2.16 turns (two and one sixth). The steering angle sensor is inside the car. Put your head down in front of the driving seat and look behind the brake pedal where the steering column passes through into the engine compartment. You should see a round metal thing on top of the column and a little black box underneath with a bunch of wires coming out of it. As far as I know, this is the only interface between the front wheel steering and the rear wheel steering, so in theory replacing the rack shouldn't have affected this. However, the steering angle sensor needs to be syncronised with the front rack. What I mean is that the centre position on the sensor must match the centre position on the front rack. Maybe the steering wheel was moved one or more turns while the rack was disconnected. Even though the steering wheel now points ahead, the sensor could be telling the control unit that the wheel is two turns left or right of centre. This impossible steering angle would certainly cause an error code. I'm just speculating at present. As Earthworm said, pulling the codes is the way to start diagnosis. Try that and let us know how you get on. This diagram may help you: http://www.geocities.com/jamsvx/trans4ws.html
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Subaru ECU and TCU Website 1992 Alcyone SVX Version L 1992 Alcyone SVX Version L 1994 Alcyone SVX S40-II 2004 Subaru Legacy 2.5 SE Sports Tourer 1996 Subaru Legacy 2.2 GX Wagon 1988 Subaru Justy J12 SL-II |
#4
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One final thing. I notice that you are in Auckland, NZ. There is an SVX guru called Trevor Sheffield and he lives in Auckland too. I'm sure I remember him saying that he had some technical notes on the 4WS system. Unfortunately he doesn't come to this site anymore because somebody was rude to him (long story). I'm sure that somebody here must have his email address or contact details.
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Subaru ECU and TCU Website 1992 Alcyone SVX Version L 1992 Alcyone SVX Version L 1994 Alcyone SVX S40-II 2004 Subaru Legacy 2.5 SE Sports Tourer 1996 Subaru Legacy 2.2 GX Wagon 1988 Subaru Justy J12 SL-II |
#5
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Do the american version have 4ws??? I once read that my 94 has passive 4ws. Is their anyway that such a system can be added to the car if it is really just passive for american versions???
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#6
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Quote:
I haven't heard of anyone adapting the system for active 4ws.
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Matt Locker Link 2015 BRZ Limited 6MT 92 Ebony LS-L ECUtune Stage2av1, Z32 MAF, 370cc injectors, TomsSVX intake, BontragerWorks 22mm RSB #003, HID Hi and Lo beams, OT endlink and bushing mods, PWR Aluminum radiator, Harvey's QC shift kit, 2.5" flowmaster 80 exhaust, 17" Michelin Pilot Sport A/S, Poly sway bar bushings, Slotted Bradi rotors, AFBeefcake powdercoated calipers, 97 grill, and a huge set of air horns. 300,000 miles and counting 92 Ebony LS-L. ecutune stage1v4, motorsport 1pc pulley. Garage Queen - sold to Dad in upstate NY 155,000 miles 19 Subaru Ascent Premium - -Hers !. 89 DL 4x4 little red wagon - a.k.a. The immortal suby. 275k R.I.P. |
#7
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Quote:
I have identified the two sensors and think it's likely they moved the wheel and reset the steering incorrectly when they did the re-alignment. lf the 4WS fail-safe comes on before traveling too far the steering wheel is perfectly aligned for the duration of the journey. But if the light stays off for a while, then when the failsafe bites, although the vehicle apparently tracks fine, the steering wheel is cocked to the left about five degrees. If I knew exactly what I was looking at in the wiring down by the internal fusebox I am sure I could run the codes, but a brief examination of the bird's nest wiring loom reminded me why I am not an auto-electrician. Ian |
#8
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Checking the diagnostic codes is easy. Have a quick look of the two documents below.
http://www.subaru-svx.net/photos/files/How-To/33055.pdf http://www.svx-iw.com/svxiw/article/?article=83
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Subaru ECU and TCU Website 1992 Alcyone SVX Version L 1992 Alcyone SVX Version L 1994 Alcyone SVX S40-II 2004 Subaru Legacy 2.5 SE Sports Tourer 1996 Subaru Legacy 2.2 GX Wagon 1988 Subaru Justy J12 SL-II |
#9
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Quote:
As Phil says, he was upset by some intemperate comments, and is not too enamoured of the [probably very young] gung ho brigade, who know very little, but are arrogant in their ignorance. Trevor knows his stuff, and is sorely missed on here. Joe
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#10
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Hi NUTSHELL, and welcome to the best kept secret on all sides of the Tasman.. (the car and this site of course!)
My family has two of these beauties down south of you in the King Country, but unfortunately neither of them have 4WS, so I can't help you much! (then why am I posting??) Matt
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'92 JDM (E) Burgandy/Black 100Km Just Crusin' |
#11
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By the way Ian, (hopefully I'm not trying to teach you to suck eggs here) but your comment about the birds nest at the fuse box leads me to think you're slightly in the wrong place. You've got to pull off the triangular shaped, carpeted panel just to the right of where your right foot lies. It sortof comes off in a backwards-ish direction after pulling towards the transmission tunnel first to pop off the little button that holds it in place. Once you're in there the right connector is fairly apparent. You'll see the two blue wires/probes taped up to some other part of the loom. Use either one... The large connectors are the same colours for us as they are for the yanks If I remember rightly (I'm in Europe right now). Certainly the Orange one is not the right one...
How is the 4WS (when it's working)? My next will be a 93 with everything I think. Currently a 92 with the usual Jap options - no sunroof. Matt
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'92 JDM (E) Burgandy/Black 100Km Just Crusin' |
#12
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AND (sighs..) a final post: Don't forget to register yourself on the SVX map of the world. Us kiwis are sorely represented in the downunder section.
Follow the link.. http://www.frappr.com/svx Matt
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'92 JDM (E) Burgandy/Black 100Km Just Crusin' |
#13
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Thanks Matt. Appreciate the sentiments.
I'll try to track Trevor down. |
#14
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I want 4WS!!
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1989 Subaru XT6 130k 1992 Subaru SVX 120k 1993 Ford Probe 30mpg 213k 1989 Subaru XT6 150k All good and running |
#15
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Quote:
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