2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 395Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 395

FUEL INJECTION SYSTEM EAS00904 TROUBLESHOOTING CHART Engine operation is not normal or the engine trouble warning light flashEngine
volt38: Injector #3 age (battery bolt) 39: Injector #4 OK Malfunction of engine NG Defective sensor or actuator Check and
repairCheck and repair(Refer to "TROU(Refer to "FAIL-SAFE BLESHOOTING ACTIONS TABLE" DETAILS" Monitor the operation of the
sensors and actuators in the diagnostic mode(Refer to "Diagnostic mode table" in chapter 7) Perform ECU reinstatement action(Refer
to "Reinstatement method" in "TROUBLESHOOTING DETAILS" Turn the main switch to "OFF", turn the main switch back to "ON",
and then check if the fault code number is still displayed Check and repair the inner parts of engine(Refer to Chapter 5)
OK Check the engine conditionFault code number displayed Check and repair the corresponding sensor or actuatorNG OK Fault
code number not displayed Repairs completed Erasing the malfunction history: The malfunction history is stored even if the