1998-2004 Honda Foreman 450 factory service manual, Page 431Get this manual
ELECTRIC SHIFT PROGRAM (ESP)
Problem Code 3, 8, 9: Angle Sensor System
Check the connections of the ECU, angle sensor and related circuitNormal Turn the ignition switch "OFF"Disconnect the ECU connector (22PBlue)Measure the resistance between the BlackRed and BlueGreen terminals of the wire harness sideAbnormal Disconnect the angle sensor connector (3P) Check for continuity for the ECU and angle sensor Abnormal Loose or poor contact of related circuit
ANGLE SENSOR CONNECTOR
CONNECTION :BlackRed (+)BlueGreen (-) 8T ANDARD: 4k6kQ Normal Make sure the angle sensor is correcty installed to the engineANGLE SENSOR CONNECTOR Abnormal