2009 Suzuki 400 LTZ Quad Sport Service Manual, Page 94Get this manual
Engine General Information and Diagnosis: Step Action 4) Disconnect the TP sensor coupler5) Check the continuity between wire and groundAlso, check the continuity between wire and BBr wireIf sound is not heard from the tester, the circuit condition is OKSpecial tool (A): 0990025008 (Multi-circuit tester set) (B): 0990025009 (Needle pointed probe set) Tester knob indication Continuity test) Yes Go to Step 2 1A-30