2006-2009 Suzuki LT-R450 Service Manual, Page 176Get this manual
FI SYSTEM DIAGNOSIS
Step (When indicating P011 O-L:) 1) Turn the ignition switch OFF 2) Remove the seat(Cl"7-6) 3) Check the IAT sensor coupler for loose or poor contactsIf OK, then check the IAT sensor lead wire continuity
4) Disconnect the IAT sensor coupler
5) Check the continuity between Dg wire and ground If the sound is not heard from the tester, the circuit condition is OKTester knob indication: Continuity test (01)))
6) Connect the IA sensor coupler7) Insert the needle pointed probe to the lead wire coupler8) Turn the ignition switch ON9) Measure the voltage between Dg wire and ground IAT sensor output voltage: 0.154.85 V