2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 135Get this manual
FUEL SYSTEM (PGMFII 5MAPSensor Inspection
Replace the MAPITP sensor with known good one (page 6-43)Clear the OTe (page 6-14)Turn the ignition switch ON and engine stop
switch "0"Check the MAP sensor with the HDS pocket
testerIs OTC 1-1 indicatfK1?
YES NOReplace the peM with known good one, and recheckFaulty original MAPfTP sensor
DTe 1-2 (MAP SENSOR HIGH VOLTAGE)
Before starting the inspection, check for loose or
poor contact on the MAPtTP sensor SP (Black)
connector and recheck the OTe1MAP Sensor System Inspection 1
Turn the ignition switch ON and engine stop
switch "0"Check the MAP sensor with the HOS pocket