2006-2009 Suzuki LT-R450 Service Manual, Page 173Get this manual

2006-2009 Suzuki LT-R450 Service Manual, Page 173

FI SYSTEM DIAGNOSIS Step 1) Turn the ignition switch OFF2) Remove the fuel tank and fuel tank lower cover(0=5-4) 3) Disconnect
trouYES ble or faulty ECM ECM coupler (Harness side) Recheck each terminal and wire harness for open circuit and poor connection
Replace the ECM with known good oneand inspect it againNO CAUTION When using the multi-circuit tester, do not storongly touch
the terminal of the ECM coupler with needle pointed tester probe to prevent the terminal damage or terminal bend5) After
repairing the trouble, clear the DTC using SDS tool(0=4-25) ECT sensor specification Engine Coolant Temp 20 (68 F) 50C (122