2008 Yamaha WaveRunner FX SHO / FX Cruiser SHO Service Manual, Page 316Get this manual
Control system
E 2Measure: Steering sensor input voltage Within specification Replace the steering sensorOut of specification Check the wiring harnessMeasurement steps: 1Disconnect the steering sensor coupler 12Push the unlock button, and then measure the input voltage at the steering sensor coupler terminals (wiring harness end)Steering sensor input voltage (reference data): Orangered (OR) Blackorange (BO) 4.755.25 V