2004 Poalaris MSX110, MSX150 PWC Original Service Manual, Page 155Get this manual
FUEL INJECTIONIGNITIONEXHAUST SYSTEMS Electronic Throttle Body (ETB)Pedal Position Unit (PPU)Troubleshooting
The ETB and PPU components are integral to the engine management systemTo perform any troubleshooting procedures, the ECU must be connected to the Digital Wrencht diagnostic softwareVERIFY BATTERY IS FULLY CHARGED
INSERT LANYARD INTO STOP SWITCHDOES THE ELECTRICAL SYSTEM POWER UP?
TROUBLESHOOT STARTSTOP SWITCH, MAIN RELAY, ECU, AND ASSOCIATED WIRING HARNESSESS AND CONNECTIONSVERIFY SIFB IS NOT IN "SLEEP" MODE PERFORM ETB LEARNING PROCEDURE PROCESSCHECK ALL PPU AND ETB WIRING HARNESSESS AND CONNECTIONSCONNECT DIGITAL WRENCHt SOFTWARE TO ECUVERIFY ETB LEARNING PROCEDURE DISPLAYS "TRUE"VERIFY ETB THROTTLE PLATE IS NOT OBSTRUCTED BY FOREIGN MATERIALREPAIR ANY BROKEN CONNECTION VERIFY COMPONENTS ARE RECEIVING Vdc REFERENCE SIGNAL FROM ECU REPLACE COMPONENT THAT IS OUT OF SPECIFICATION
MOVE THROTTLE FLIPPER FROM CLOSED TO OPENDOES ETB THROTTLE PLATE MOVE WITH FLIPPER?
CONNECT DIGITAL WRENCHt SOFTWARE TO ECUARE THE FOLLOWING SPECIFICATIONS TRUE? PPU POSITION SENSOROPERATING VOLTAGES ETB THROTTLE POSITION SENSOROPERATING VOLTAGES