1998-2000 Yamaha WaveRunner GP800 Factory Service Manual, Page 158Get this manual
INDICATION SYSTEM
Checking steps: Connect the battery terminals to the white four-pin connector as shown
If the multi-function meter has been removed from the water vehicle, supply12 to the connector (+: red, -: black) with remote battery or an AC adapter Disconnect the blue one-pin connector CD and make sure the "WARNING" lamp lights
If the "WARNING" lamp does not light, disconnect the battery and then reconnect it Press the "ASET" and "C" buttons at the same timeWhile still pressing the two buttons, press the "MODE" button and hold all three for more than secondsThe self-indicating function will then activate
If the "[OdE" message displays, reconnect and then disconnect the blue onepin connectorSequential output (1 minutecycle) Display begins operationtJI:: 0111= t,FIt' All LCD readouts turn on " OL!-(is displayed "FUEL" is displayedL" is displayedbRis displayedI:: 1," is displayed[L LlL!-(" is displayed 10" is displayed 11 "IULI-,I'1" is displayed 12OF] tJ" is displayed 13i,1 P" is displayed 14t1 I::is displayed