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SZL Module Reset (post clutch change) Solved

SZL Module Reset (post clutch change) Solved

  #1  
Old 04-21-2018, 06:16 AM
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SZL Module Reset (post clutch change) Solved

(’07 MINI Cooper w/ DSC)


I wanted to pass this on to everyone because I was getting bad information from the dealer and a local Indy shop, and the Bentley service manual is incomplete when it comes to the instructions for replacing your clutch.


I recently replaced the clutch in the 2007 MINI Cooper. The Bentley service manual (310-9) tells you to disconnect the steering universal joint by removing the pinch bolt. This is needed since you (in the Bentley version) lower the steering rack down with the sub-frame. Well that's all fine and good, but it fails to tell you that you must retain the relationship (zero degrees) between the steering rack input shaft and the steering column (the steering wheel SZL module).


When you finish installing the clutch, the manual tells you to have a wheel alignment and steering angle reset performed, so I was off to the dealer.
When I took the car in, the dealer completed the alignment, but they said when they reset the steering angle sensor that the fault kept coming back. They quoted $1000 to replace the SZL module. I was skeptical, so I called a local Indy shops. They wanted $500 to replace the SZL module. I was still skeptical since I didn’t understand how disconnecting the steering linkage in the footwell caused an electronic component to fail when the battery was disconnected.


So, I did some reading on this forum and I came up with my own plan. I purchased a Foxwell NT510 scanner on Amazon. It's the same one ECS Tuning sells under the Schwaben name, but the Amazon version is $30 bucks cheaper. After registering and updating the scanner, I hooked it to the MINI. It auto recognized the car, VIN etc. I started the scan. I had faults in six different modules, Steering, DSC, Footwell, turn signals, wipers, air conditioning, etc. All of these faults were related to the fact that after I had disconnected the steering universal joint and then moved the tie rods around to disconnect other suspension components. When I put everything back together, the SZL was not centered (zero degrees) with the steering rack input shaft.


With the wheel alignment complete, car in the garage w/ the front wheels straight, and lots of warning lights on the dash, I connected the scanner. I pulled up live data and selected steering wheel angle sensor. The scanner showed -356 degrees. So, I removed the pinch bolt, and disconnected the u-joint. While watching the scanner, I turned the wheel and watched until the scanner showed 0.0 degrees. I reconnected the u-joint and reset the steering angle sensor. It worked perfectly!!! After that was complete, I proceeded to clear the faults in the other modules. All the lights on the dash went away and did not return; wipers quilt coming on whenever they liked, and the turn signal cancellation problem went away. So my $179.00 investment in the scanner saved me the $1000.00 charge at the dealer for a part I didn't need.


I’m still amazed that a factory trained service technician couldn’t have figured this out. My next step it go contact the Bentley service manual folks. Their instruction for changing a clutch need work.


Happy Motoring!
 

Last edited by mkov608; 04-25-2018 at 06:36 PM.
The following 3 users liked this post by mkov608:
dale_z28 (03-22-2019), MiniToBe (04-23-2018), Scudder44 (09-18-2018)
  #2  
Old 04-23-2018, 05:08 AM
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I guess small percentage of people do this kind of task...Thanks for the input
 
  #3  
Old 04-23-2018, 06:22 AM
jcwcoopster
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i suspect that the dealership wanted to change your SZL module knowing that it would have to be zeroed in. The profit is there and they could have gotten away with it. The dealer has done clutch jobs before so they know the procedure plus they have internal technical directions of what has to be done which would include zeroing out the angle sensor. Good for your persistence, shame on dealer and thanks for sharing.
 
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Old 04-23-2018, 07:52 PM
squawSkiBum
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Great information, thanks for posting! Moved to the How To forum because this applies across all the Gen2s.
 
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Old 09-18-2018, 11:06 AM
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Same experience, replaced the clutch and all the lights came up for DCS and brakes, indicators not reseting and wipers doing their own thing. Now I knew this was a SZL column switch angle sensor problem because on this Gen 2 last year I changed the SZL and had it 'coded and angle reset' at dealership. Went to them this morning and they suggested a new SZl. How could sitting on axle stands and having the ECU disconnected for 5 days blow up the steering control unit? Paid them their 30 minute fee and started reading like mad and MKOV just saved my day!!! Kudos and genius work.
Just back from the car now and used INPA to watch the angle sensor go from 358 degrees to zero, one turn of the wheel then reconnected the pinch bolt/rack. Reset the angle using INPA and cleared codes... everything back to normal, no lights, signals reset again and I am very happy.
Thing that gets me is dealers must do this clutch every week/day so why the big scratch of the head and it is broken attitude? They did not even go as far as to give me a replacement price or begin to fleece me. Very odd. Thanks again for your post! I used Haynes and no mention in there either and when the column is disconnected that steering wheel spins at the slightest touch, I though I had it centred but was a whole turn out...
 
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Old 09-18-2018, 01:07 PM
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Originally Posted by Scudder44 View Post
Thing that gets me is dealers must do this clutch every week/day so why the big scratch of the head and it is broken attitude?
Excellent question; when I asked my local service manager how a guy with a $159.00 scanner can figure this out when a factory-trained service technician can't, she said that the dealer mechanic risks breaking something inside when they turn the wheel with it disconnected, so they don't attempt this type of repair ... they would rather charge you $1000.00 for a part you don't need. My brother suggested dealer mechanics aren't trained to troubleshoot ... they scan computers, look for faults, and change the associated component.
 
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Old 09-18-2018, 10:21 PM
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While I was waiting, the 'technician' took the motor out for a test drive, away for more than 15 minutes, bet he had a lovely time and not sure exactly what that was for. A cigarette no doubt.
Anyway, have emailed the bloke I was dealing with to let him know the solution and to prove that I was the cause of the fault (and that they are numpties). Don't suppose he is going to refund my 45 euros or the three hours I sat waiting and arguing. Takes a fair bit of force to break the clock spring cable, I spun mine a few times to get what I thought was half way before reassembly, there was my problem :-)
Thank goodness for the interwebs, forums and your genius.
 
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Old 03-22-2019, 04:59 PM
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Man am I glad I read this post! I am just getting into a clutch replacement on a 2012 S model. What advice would you give to avoid this wheel orientation issue? Could one simply mark a line on the shaft and collar/ pinch bolt? Tie the wheel so it can't rotate freely during the job?
Thanks MKOV, I never would have known if you hadn't shared your experience!
 
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Old 03-23-2019, 08:36 AM
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Originally Posted by dale_z28 View Post
Man am I glad I read this post! I am just getting into a clutch replacement on a 2012 S model. What advice would you give to avoid this wheel orientation issue? Could one simply mark a line on the shaft and collar/ pinch bolt? Tie the wheel so it can't rotate freely during the job?
Thanks MKOV, I never would have known if you hadn't shared your experience!
My pleasure!

Going forward, keeping things aligned is easy if you know how important it is:

1. When you park the car, make sure the wheels are straight and the steering wheel is centered. Then use some very wide painters tape, tape the steering wheel to the dash. Once you disconnect the pinch bolt, the steering wheel will rotate very easily.
2. Email [email protected] and get a quote for a Foxwell NT520 Pro scanner; tell her Mark sent you; you can pay with Paypal, and she'll send it to you directly from China. You will save a lot of money compared to online prices. You'll need the scanner to reset the steering angle sensor when your finished. You can do it yourself with the Foxwell scanner, or you can take it to the dealer. The scanner will come in handy if you plan on keeping the car.
3. Remember you'll need a wheel alignment when you get it all back together.
4. When you disconnect the two outer electrical connectors on the steering servo actuator, (only one of the outboard connectors and the center connector need to be disconnected), mark them; they are identical. You only need to disconnect the outboard connector that comes from the body harness; the other connector loops back to the steering rack actuator.
 
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Old 03-23-2019, 08:43 AM
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Just went to Foxwell's web site, 3 week ago, the NT520 was $269 on Amazon; you can get it directly from Foxwell for $159.00

http://www.foxwelltool.com/wholesale...d-version.html

I suspect new scanner versions are on the way.
 
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Old 03-25-2019, 06:06 AM
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I got the steering wheel stabilized with bungee cords down to the seat adjust handle, the subframe out (had to pull the rack and pinion off to clear the transmission the way I have my car positioned), and oh yeah... the pinch bolt! The threadlocker they use is awesome. Works so well the nut on the backside broke the spotwelds on the 'cage' that captures it. A little time with a MINIature cutoff wheel on a Dremel tool and I cut thru the bolt.
My (steering) electrical connectors were slightly different; my 'inboard' was the looped one, and the 'center' and 'outboard' (larger) connectors were the ones that had to be disconnected.
I sent an email to Elly for a quote on a scan tool. Thanks for that!
All in all, not a bad job so far. Hoping to get the trans out this week.
 
  #12  
Old 04-18-2019, 06:20 PM
Javid Chachoo
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Szl time-out

Hi
I get szl timeout error as shown in pic only steering wheel controls don’t work volume up and down and call answering button right side steering wheel controls do work
all other electric components work
a few days ago my start stop stopped working showing brake vacuum sensor fault
 
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