2008 Yamaha Rhino YXR70FX Factory Service Manual, Page 278Get this manual
FUEL INJECTION SYSTEM Diagnostic code table
Fault code NoSymptom Probable cause of malfunction Open or short circuit in wire harnessDefective crankshaft position sensorMalfunction in pickup rotorMalfunction in ECUImproperly installed sensor
Diagnostic code No
No normal signals are received from the crankshaft position sensor
Intake air pressure sensor: open or short circuit detectedIntake air pressure sensor: hose system malfunction (clogged or detached hose)Throttle position sensor: open or short circuit detectedStuck throttle position sensor detectedCoolant temperature sensor: open or short circuit detected
Open or short circuit in wire harness Defective intake air pressure sensor Malfunction in ECU Intake air pressure sensor hose is detached, clogged, kinked, or pinched Malfunction in ECU Open or short circuit in wire sub leadOpen or short circuit in wire harnessDefective throttle position sensorMalfunction in ECUImproperly installed throttle position sensor