2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 504Get this manual
HONDAMATIC 3Angle Sensor Line Inspection Disconnect the ECM 21P (Gray) connector and the angle sensor 3P (Black) connectorCheck for continuity on the BlackRed wire and the GreenYellow wire between the ECM connector and main harness side angle sensor connectorIs there continuity? NO Open circuit in wire between the ECM and angle sensor YES Faulty angle sensor After replacement, perform initial setting procedure (page 24-6) GY BlR GY BlR
4Angle Sensor Line Inspection Disconnect the ECM 21P (Gray) connector and the angle sensor 3P (Black) connectorCheck for continuity on the Yellowblue wire between the ECM connector and main harness side angle sensor connectorIs there continuity? NO Open in wire between the ECM and angle sensor YES GO TO STEP 5YBu YBu