2006-2009 Suzuki LT-R450 Service Manual, Page 168Get this manual
FI SYSTEM DIAGNOSIS
Step 1) Turn the ignition switch OFF2) Disconnect the TP sensor coupler and ECM coupler3) Check the continuity between terminal (Yellow wire) and groundTP sensor resistance:
Q (Infinity) (Terminal
4) If OK, then measure the TP sensor resistance at the terminals [between terminal (Yellow wire) and terminal (BBr wire)] 5) Push the throttle lever and measure the resistance
TP sensor resistance Throttle valve is closed: Approx1.4 kQ Throttle valve is opened: Approx4.2 kQ