1998-2004 Honda Foreman 450 factory service manual, Page 436Get this manual
ELECTRIC SHIFT PROGRAM (ESP)
Problem Code 10: Ignition Pulse Generator System
Check the connection of the ECU, ignition pulse generator and related circuitNormal Check the co nnections of the ground cablesAbnormal Loose or poor contact of ground cable(s) Abnormal Loose or poor co ntact of related circuit
Disconnect the ECU connector (22PBlue) and pulse generator connector (5P)Check for continuity in the BlueYellow wire between the ECU and pulse generator connector terminalsCONNECTION: BlueYellow (+)Body Yellow STANDARD: Continuity