2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 415Get this manual
ELECTRIC SHIFT PROGRAM (ESPFE model) 3ECM Power Ground Line Inspection Check for continuity between the Green wire terminal of the wire harness side connector and body groundte there continuity? NOCheck for loose or poor contact of ground terminal Check for open circuit in the Green wireGO TO STEP 4ECM 5P CONNECTOR (Viewed from the terminal side)
4ECM to Motor Harness Inspection Disconnect the control motor 2P connectorCheck the Orange and Greenred wires for continuity between the ECM 5P connector and motor connectorIs there continuity? NO YESRepair open circuit in the Orange andor Greenblue wireGO TO STEP 5Greenred