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.
-- Neil n 65 kb image Myford Ready For Assembly http://tinyurl.com/64sx4rp '88 Slate Blue Westy to be named. '81 VanaJetta 2.0 "Jaco" http://tubaneil.googlepages.com/ Vanagon VAG Gas I4/VR Swap Google Group: http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines |
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