Max Dillon, Charleston SC On Aug 11, 2014 3:05 PM, "Meade Dillon" <[email protected]> wrote:
> I need to dig into the FSM for the diagnostic codes for other systems, I > know the ASD has a pin, and I see the KLIMA relay also has a pin. > > Max Dillon, > Charleston SC > On Aug 11, 2014 2:58 PM, "Dan Penoff" <[email protected]> wrote: > >> If you want get fancy, or build a DIY multiplexer, you can get the 38 pin >> connectors on eBay for about $5. They sell them as some sort of a crude >> adapter cable with an ODBII connector on the other end. >> >> Of course it doesn't work with an ODBII reader.... >> >> Dan >> >> Sent from my iPad >> >> > On Aug 11, 2014, at 2:04 PM, Meade Dillon via Mercedes < >> [email protected]> wrote: >> > >> > I made this yesterday (Sunday) to check for malfunction codes for the >> ACC >> > II in my '95 E300. No malfunction codes (one flash) but the LED would >> glow >> > dimly when it was supposed to be off. I'm wondering if the PBU ground >> is >> > weak/corroded? >> > >> > The diagnostic system works by grounding the appropriate pin in the >> > diagnostic connector (pin 7 in this case) in impulses to output the >> code. >> > This crude counter applies battery voltage to an LED that is connected >> to >> > the test pin, so the LED lights each time the diagnostic system grounds >> the >> > pin. Count the flashes, and you have the code that you can look up in >> the >> > FSM. Pressing and holding the button also grounds the test pin; ground >> it >> > for 2-4 seconds to get the first code, and repeat to get any additional >> > codes. Hold for 8 seconds or more to clear the codes. >> > >> > Attached is a schematic I found on peach parts, which lists the radio >> shack >> > part numbers. I substituted almost all, including a combination LED / >> > resistor set up for 12 vdc. Probably about $20 in parts plus an empty >> pill >> > container. The container fits in you hand nicely so the button can be >> > operated with your thumb. >> > >> > I need to put some labels on the wires (Battery, Ground, & Test). >> > >> > I should have dug through my parts bin, I've got some stuff that would >> have >> > worked fine, but would not have made a nice neat package like this. >> > >> > Max Dillon, >> > Charleston >> > -------------- next part -------------- >> > A non-text attachment was scrubbed... >> > Name: 10425d1060094804-reading-codes-mb_tst3.jpg >> > Type: image/jpeg >> > Size: 16664 bytes >> > Desc: not available >> > URL: < >> http://mail.okiebenz.com/pipermail/mercedes_okiebenz.com/attachments/20140811/d04493f8/attachment.jpg >> > >> > -------------- next part -------------- >> > A non-text attachment was scrubbed... >> > Name: IMG_20140810_194932_747.jpg >> > Type: image/jpeg >> > Size: 644762 bytes >> > Desc: not available >> > URL: < >> http://mail.okiebenz.com/pipermail/mercedes_okiebenz.com/attachments/20140811/d04493f8/attachment-0001.jpg >> > >> > _______________________________________ >> > http://www.okiebenz.com >> > >> > To search list archives http://www.okiebenz.com/archive/ >> > >> > To Unsubscribe or change delivery options go to: >> > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> > >> > All posts are the result of individual contributors and as such, those >> individuals are responsible for the content of the post. The list owner >> has no control over the content of the messages of each contributor. >> > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com All posts are the result of individual contributors and as such, those individuals are responsible for the content of the post. The list owner has no control over the content of the messages of each contributor.
