1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 392Get this manual
ELECTRI'C SHIFT' PROGRAM (ESP), !
Disconnect the control unit 16P and I'g nition control module' 4P connectorCheck for continurty between the control unit 16P connector' and Ignitionontrol mo,duie 4P connector terminal of the wire hamess side
Abnormal 1
Open circu it r'e lated wire Loose or poor conta,cts of related terminal
CONNECTION: BlueYellowBluafYelJow SlANDAR.D Conti'n uity
Disconnect the control unit 1Sf' and speed sensor Abnormal:-:_Open cirCLIit in re l!ated ire 3P connector Loose or poor contacts .of related termina l