Bosch info states that these AFMs are logrithmic rather than linear
if anybody knows what that means
Apparently this explains to the whizes why the resistance readings are
not what you might expect as in a light dimmer
Bob
PS I have a spare turbo AFM forsale with airfilter and box
- Original Message -----
From: Bill
To: peugeot-L@yahoogroups.com
Sent: Tuesday, December 13, 2005 12:07 AM
Subject: [Peugeot-L] Re: 505 Turbo AFM checks
I've seen the same behavior on different units.
-Bill
- In peugeot-L@yahoogroups.com, august <august.macbeth@g...> wrote:
>
> There's one test shown in the N9T/N9TE/N9TEA for checking the AFM:
>
> Connect an ohmmeter between pin 5 and pin 7 of the AFM. Then move the
> flap door slowly to full open.
>
> It says it should be between 60 and 1000 ohms.
>
> Now, I've done this test on 4 AFM's. You'd think that whatever the
> value the book was calling for would be a clean sweep from low (full
> shut), to high (full open). Not the case, on all FOUR that I have.
> They seem to jump around a lot. As the doors opens, the value rises,
> but can go up and down, and full open on all isn't the peak value.
>
> (more like, 60(door closed), 100, 300, 150, 500, 800, 200, 900, 400
> (full open))
>
> Is this normal, or do I have a bunch of bunk AFM's?
>
> Here's a sample reading:
>
> full shut: 80
> peak: 1000
> full open: 450
>
> Do any of you have experience with this? Or would any of you be
> willing to test the AFM's you have? I've been looking around the net
> to try to educate myself on exactley how these things work, but
> haven't found anything on super bouncy readings.
>
> thanks!
> /august
>
Recommended format for your email subject lines:
Model # [Model Letters] Year Subject
Examples:
505 88 V6 Mileage
405 Mi16 89 Ignition Coil source?
To unsubscribe from this list send a blank email message to PEUGEOT-L-UNSUBSCRIBE@EGROUPS.COM
YAHOO! GROUPS LINKS
a.. Visit your group "peugeot-L" on the web.
b.. To unsubscribe from this group, send an email to:
peugeot-L-unsubscribe@yahoogroups.com
c.. Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
[Non-text portions of this message have been removed]
Recommended format for your email subject lines:
Model # [Model Letters] Year Subject
Examples:
505 88 V6 Mileage
405 Mi16 89 Ignition Coil source?
To unsubscribe from this list send a blank email message to PEUGEOT-L-UNSUBSCRIBE@EGROUPS.COM
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/peugeot-L/
<*> To unsubscribe from this group, send an email to:
peugeot-L-unsubscribe@yahoogroups.com
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
Received on Tue Dec 13 07:37:39 2005
