2006-2009 Suzuki LT-R450 Service Manual, Page 182Get this manual
FI SYSTEM DIAGNOSIS
"C31" (P070S) GP SWITCH CIRCUIT MALFUNCTION
DETECTED CONDITION No Gear Position switch voltage Switch voltage is not within the following rangeSwitch voltage 0.9 POSSIBLE CAUSE
Gear Position switch circuit open or short
Gear Position switch malfunction ECM malfunction
GP switch
Neutral indicator light