2006-2009 Suzuki LT-R450 Service Manual, Page 187Get this manual

2006-2009 Suzuki LT-R450 Service Manual, Page 187

FI SYSTEM DIAGNOSIS "CGO" (P0480) COOLING FAN RELAY CIRCUIT MALFUNCTION DETECTED CONDITION Cooling fan relay signal is not
YS wire open or shorted to ground, or poor connection If wire and connection are OK, intermittent trouble or faulty ECM Recheck
each terminal and wire harness for open circuit and poor connection Replace the ECM with known good one, and inspect it againReplace
the cooling fan relay with new one ECM coupler (Harness side) NO ICAUTION I When using the multi-circuit tester, do not storongly