2006-2009 Suzuki LT-R450 Service Manual, Page 169Get this manual

2006-2009 Suzuki LT-R450 Service Manual, Page 169

FI SYSTEM DIAGNOSIS Step 1) Connect the TP sensor coupler CD to the test harness2) Turn the ignition switch ON3) Measure
Red or BBr wire open or shorted to ground, or pooror connection If wire and connection are OK, intermittent trouYES ble or
faulty ECMRecheck each terminal and wire harness for open circuit and poor connection Replace the ECM with known good one,
and inspect it again If check result is not satisfactory, replace TP sensor with new one ! CAUTIONWhen 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