Hondata

The diagram posted above is incorrect - I've removed it.

There were no changes between V7 and V8 for the PRB/PRC.

strange, cause I have the exact schedule, correctly modified in a euro type R with rsx-s wideband primary and a us prb K-pro ecu and still no O2 activity....also have downloaded the ...

funny, cause this is exactly how I wired it in..but still have the problem...

have the same problem, prb k-pro ecu on a euro type R. wired in the extra wires according your schematic, heater warning gone now, still no O2 signal. have installed a primary rsx-s O2....with the O2 relay wired in according your schematic, all triple checked and wired correctly...but no O2 signal ...