Technical Information KPro Alternative ECU for Engine Swaps
With the KPro4 it is possible to use the 2002-2004 RSX base auto ECU. This will only work for engine swaps.
ECU Part Numbers
37820-PND-A51 to 37820-PND-A59
The auto PND ECU processes vehicle speed from a sensor on the automatic transmission. The K-Pro 4 has an input to process vehicle speed. When the auto PND ECU is used, the VSS signal wire must be moved to the K-Pro4 board to process. De-pin wire A18 VSS (typically white/green) from the RSX wiring harness. Connect to KPro circuit board patch harness input VS. The wire is typically red and marked on the KPro circuit board. Under Misc in KPro parameters use a starting value of 2485 for pulses per km. This will vary depending on your gear ratios and tire size.