2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 136Get this manual
FUEL SYSTEM IPGMFI) 3MAP Sensor Input Voltage Inspection
Turn the ignition switch OFFRemove the jumper wireTurn the ignition switch ON and angine stop switch "0"Measure the voltage at the wire harness side terminalsConnection: Brown (+)Greenred H
MAPrrp SENSOR 5P (BLACK) CONNECTOR (Wire side of female terminal)
Is the voltage within 4.75 -5.25V?
- GO TO STEP 4- Open circuit in Greenred or Brown wire
4MAP Sensor Output Line Open Circuit Inspection
Turn the ignition switch OFF
Disconnect the PCM 33P lGrayl connectorCheck for continuity of the light green wire
between the MAPTP sensor 5P (Black) connector terminal and the peM 33P (Gray) connector