2008 Yamaha Rhino YXR70FX Factory Service Manual, Page 275Get this manual
FUEL INJECTION SYSTEM EAS00904
TROUBLESHOOTING CHART
Engine operation is not normal or the engine trouble warning light is on Engine trouble warning light may not come on even if the engine operation is not normal
The engine trouble warning light comes on
The engine trouble warning light does not come on
Check the fault code number displayed on the meter
Identify the system with the malfunctionRefer to "Self-diagnostic function table"
Check the operation of following sensors and actuators in the diagnostic modeRefer to "Sensor operation table" and "Actuator operation table"d01: Throttle position sensor (throttle angle) d30: Ignition coil d36: Fuel injector
Identify the probable cause of the malfunctionRefer to "Diagnostic code table"OK Check and repair the probable cause of malfunctionFault code NoYES Check and repairRefer to "TROUBLESHOOTING DETAILS"Monitor the operation of the sensors and actuators in the diagnostic modeRefer to "Sensor operation table" and "Actuator operation table"Fault code NoNO Check and repairRefer to "Self-diagnostic function table"NG Defective sensor or actuator