USDM and JDM models have the fuel pump output on different pins, a jumper is supplied to connect this output (Aux 1) to the correct pin (USDM = A15, JDM = A16).
The jumper should connect the center pin to the correct outer pin.
G4X Plug-In ECU Installation Manual > Pre-Installation > Board Switch Settings > Honda S2000 AP1
USDM and JDM models have the fuel pump output on different pins, a jumper is supplied to connect this output (Aux 1) to the correct pin (USDM = A15, JDM = A16).
The jumper should connect the center pin to the correct outer pin.