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VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) - Fixed #

Posted by Bryan Smith on July 25, 2012, 3:44 pm

Year of Manufacture *: 2008
Engine Size and Code *: 2.0 CAWB
( Optional ) Scanner Used: Solus Pro
( Optional) Fault Codes: 08213 (P2015)

Hi All,
The description I have for the code is Intake Flap Position Sensor (bank 1) Implausible Signal, Intermittent.
After clearing the code it doesn't return for a few weeks.
Info is a bit scarce on this (even Ross Tech) but Vivid is pointing towards the manifold swirl flap rather than the throttle body. I have checked the position sensor earth, supply and signal and the only questionable thing is slight hash on the earth (image attached). Operating the flap with Mityvac gives a stable trace from 1.3v to 4.0v.
When driving the car with a vac gauge attached the solenoid valve is operating the flap when the car is under load. My thoughts are that the manifold flap runner is sticking intermittently (maybe temp related) but this car only has 10 days left on a warranty so I'm being put under a bit of pressure.

Many thanks for any suggestions.
Regards,
Bryan

Re: VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) #

Posted by Bryan Smith <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=UKAT5330' width='330' height='300' border=0 style='border:none;'> on August 2, 2012, 9:22 pm, in reply to "VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) #"
Bryan Smith

I have now stripped, cleaned and inspected the inlet manifold and swirl flap assy. Although it was a bit contaminated it wasn't that bad. I have decided to ignore the noise on the earth as this is common to the MAP (boost) and fuel pressure sensors. I have looked at the latest AD info (on Snap On Verus) and it gives no data for this system so I have only got limited info from Vivid.
I have scoped the duty cycle to the swirl flap solenoid valve (and checked valve operation) which seems ok but I have nothing to reference this against. I have thoroughly checked for vac leaks (this is the only vac operated component apart from the brake servo).
The code now returns immediately. I am now starting to wonder if the 4v output from the flap position sensor is high enough (it has a 5v feed) or indeed the 1.3 low enough?
Does anyone have any idea what the measuring blocks are for this sensor, as Solus doesn't show it on live data, or what the adaption channel is?
I think I have missed the deadline for a warranty claim (it may not be covered anyway) and the customer can at least continue to use it as the only symptom is the MIL on.
I have just thought that my next move may be to clear the code and then see if it returns with the car at idle which may help me to decide if the fault is at one end of the flap travel?
Sorry for long post.
Any suggestions on this greatly appreciated.
Bryan.

Re: VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) #

Posted by Mark Carter <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=UKAT1428' width='330' height='300' border=0 style='border:none;'> on August 4, 2012, 1:30 pm, in reply to "Re: VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) #"
Mark Carter

Two channel scope (one on the controller and the other on the feedback sensor) and run an actuator test ?

Mark

Modern cars, Its all wizardry and witchcraft

Re: VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) #

Posted by Bryan Smith <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=UKAT5330' width='330' height='300' border=0 style='border:none;'> on August 5, 2012, 7:22 pm, in reply to "Re: VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) #"
Bryan Smith

Hi Mark,
I hope all is well at your end.
I have run an actuator test but without the scope attached and with just a Mityvac for vacuum. The solenoid valve seems to just open and close as it should do. I will try with the scope attached to see if I can spot anything. I have scoped the sensor feedback by operating it with a Mityvac but not with the engine running. I think I need to use the 2 channel scope during a test drive and see if I can catch anything that way. As is very common now it's always a battle just to gain access for testing anything.
Many thanks for the reply.
Bryan.

Re: VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) #

Posted by Jon Morgan <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=ukat3190' width='330' height='300' border=0 style='border:none;'> on August 5, 2012, 8:53 pm, in reply to "Re: VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) #"
Jonathan Morgan

Hi Bryan check your inbox, it may be of use?

Re: VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) #

Posted by Mark Carter <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=UKAT1428' width='330' height='300' border=0 style='border:none;'> on August 5, 2012, 9:42 pm, in reply to "Re: VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) #"
Mark Carter

Hi Bryan,

The problem with a mity-vac is that if vacuum is your problem then you will not find it.

Always try to test as much as possible with all the vehicles own supplies.

Mark

Modern cars, Its all wizardry and witchcraft

Re: VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) #

Posted by Bryan Smith <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=UKAT5330' width='330' height='300' border=0 style='border:none;'> on August 6, 2012, 9:40 pm, in reply to "Re: VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) #"
Bryan Smith

Hi Mark,
I have thought about that but I can't run the actuator test with the engine running (I believe) so have checked the operation of the flap by watching the vac before and after the solenoid valve on a test drive. It has now come to light that he recently disconnected his battery because the radio was playing up so I now think this is a straight forward adaption issue and me cleaning the flap has just exacerbated the situation. With Jon's help (thanks very much Jon) and a bit more searching on Ross Tech I think I have now got the correct channel number (which I will post if successful). By the way, Jon I was sure I had properly checked that the runner was all in one piece but have double checked it to make sure after your email.
I know I should have VCDS for these jobs but as some of you know I should be moving on soon so am loathe to invest for what hopefully will only be a short while.
Once again thanks for all the help and I will keep you updated.
Bryan.

Fixed #

Posted by Bryan Smith on September 10, 2012, 1:51 pm, in reply to "Re: VW Scirocco 2.0 CAWB 2008 - Swirl flap fault, code 08213 (P2015) #"
Message modified by board administrator September 11, 2012, 2:31 pm

As per my last post this was cured by cleaning the manifold and then carrying out basic setting on channel 142.
For anyone else with the same dtc the manifold runners can fall apart at the actuator end and this can be checked by pulling on the end of the runner to see if it moves out from the manifold (thanks to Jon Morgan for that info).

Regards to all
Bryan

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