2006-2009 Suzuki LT-R450 Service Manual, Page 157Get this manual
FI SYSTEM DIAGNOSIS
"C12" (P0335) CKP SENSOR CIRCUIT MALFUNCTION
DETECTED CONDITION POSSIBLE CAUSE
The signal does not reach ECM for secor more, Metal particles or foreign material being stuck on the CKP sensor and rotor tip after receiving the lAP sensor input signal CKP sensor circuit open or short CKP sensor malfunction ECM malfunction