2006-2009 Suzuki LT-R450 Service Manual, Page 183Get this manual
FI SYSTEM DIAGNOSIS
Is the voltage OK?
Pink wire open or shorted to ground If wire and connection are OK, intermittent trouYES
ECM coupler (Harness side)
ble or faulty ECMRecheck each terminal and wire harness for open circuit and poor connectionReplace the ECM with known good one, and inspect it againground