2009 Suzuki 400 LTZ Quad Sport Service Manual, Page 114Get this manual
Engine General Information and Diagnosis: P0110-L (Use of SDS) Step Action 1) Turn the ignition switch OFF2) Check the IAT sensor coupler for loose or poor contactsIf OK, then check the IAT sensor lead wire continuityYes Go to Step 2 1A-50
No Dg wire shorted to ground If wire is OK, go to Step 2
I933H1110046-01