2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 412Get this manual
ELECTRIC SHIFT PROGRAM (ESPFE model) 4Angle Sensor Inspection Measure the resistance between the Blackred and Greenblue terminals of the sensor connector (page 22-18)STANDARD: 4k6kn (20C 68F) Is the resistance within the specified range? NO YESReplace the angle sensor- GO TO STEP 5
5Angle Sensor Power Input Line Inspection Connect the ECM connectorCheck the angle sensor (page 22-18)Is there 4.7-5.3 V? NO YESRepair open or short circuit in the Black red wire- GO TO STEP 6input voltage
6Angle Sensor Ground Line Short Circuit Inspection Turn the ignition switch to OFFCheck for continuity between the Greenblue wire terminal of the wire harness side sensor connector and groundIs there continuity? NO YESCheck the angle sensor connector for loose or corroded terminal- Repair short circuit in the Greenblue wire