2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 143Get this manual
FUEL SYSTEM IPGM-FI) 3tAT Sensor Open Circuit Inspection
Turn the ignition switch OFFDisconnect the PCM 33P {Grayj connector
IAT SENSOR 2P (BLACK) CONNECTOR
(Wire side of female terminal)
Check for continuity at the Grayblue and Green!
red wire between the IAT sensor 2P (Black) connector terminals and the peM 33P (Gray) connectar terminals
Test probe
Connection: 82Greenred 826- Grayblue
07ZAJROJA110
peM 33P (GRAY) CONNECTOR
Is there continuity?
(Wire side of female terminal)Replace the peM with known good '-one, and recheck