2003 Kawasaki 1100 STX D.I. Jet Ski Factory Service Manual, Page 266Get this manual
ELECTRICAL SYSTEM 14-45 Kawasaki Smart Steering System
Turn the ignition switch ONCenter the handlebar in the straight-ahead positionMeasure the input voltageSteering Position Sensor Input Voltage Standard: Battery Voltage
Turn the ignition switch OFFIf the reading is good, inspect steering position sensor output voltageIf the reading is out of the standard, check the followingBattery Voltage Main Fuse 10 Power Source Wiring (see Steering Position Sensor Circuit)
Steering Position Sensor Output Voltage Inspection NOTE
Be sure the battery is fully charged