Yes, the 88 and newer Vanagon ECU (022D)stores trouble codes. If you hook up the extra wires and light to it you can display the trouble codes. If you look in the 1988 Owners Manual the instrument cluster section shows the ECS Malfunction light and switch on the dash cluster and it tells what they are for. I have never seen or heard of an 88 that actually had these but clearly it was intended at some point. Mark
neil n wrote: > Very interesting. > > I see ECU 23 shown in the later MY diagrams. > > Was this OBD capability planned part and parcel with the > "programmable" (my term) ECU's? > > Neil. > > On Mon, Mar 11, 2013 at 9:44 PM, mark drillock <mdrillock@cox.net> wrote: > >> The 5 pin ECU power relay has nothing to do with the fan or AC, contrary >> to various parts venders listings. The extra relay pin has to do with >> the OBDI capability that VW was working to implement into the Vanagon to >> comply with pending emissions regs. FI harnesses that are set up for the >> 5 pin relay have extra ECU wiring pins and the 5th relay pin connects to >> the ECU on one of these. > > > > |
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.