Yamaha YZF-R1 2007 Service Manual

FUEL INJECTION SYSTEM8-33EAS27362FAIL-SAFE ACTIONS (SUBSTITUTE CHARACTERISTICS OPERATION CONTROL)If the ECU detects an abnormal signal from a sensor while the vehicle is being driven, the ECU illu-minates the engine trouble warning light and provides the engine with alternate operating instruc-tions that are appropriate for the type of malfunction.When an abnormal signal is received from a sensor, the ECU processes the specified values thatare programmed for each sensor in order to provide the engine with alternate operating instructionsthat enable the engine to continue to operate or stop operating, depending on the conditions.Self-Diagnostic Function tableFaultcode No. Item SymptomAble /unable tostartAble /unable todrive11 Cylinder identificationsensor• No normal signals are receivedfrom the cylinder identificationsensor.• Malfunction of electric startingsystem.Unable Able12 Crankshaft positionsensorNo normal signals are receivedfrom the crankshaft position sen-sor.Unable Unable13Intake air pressuresensor(open or short circuit)Intake air pressure sensor-open orshort circuit detected. Able Able14Intake air pressuresensor(pipe system)Intake air pressure sensor-pipesystem malfunction (clogged ordetached hose).Able Able15Throttle position sen-sor (for throttle valves)(open or short circuit/loose connection)Throttle position sensor (for throttlevalves):open or short circuit detected.Throttle position sensor (for throttlevalves) coupler connection isloose.Able/Unable Able/Unable17EXUP servo motor cir-cuit(open or short circuit)EXUP servo motor circuit: open orshort circuit detected. Able Able18 EXUP servo motor(stuck) EXUP servo motor is stuck. Able Able19Sidestand switch(open circuit wire har-ness to ECU)Open circuit is detected in the inputline from the sidestand switch tothe ECU.Unable Unable20Intake air pressuresensorAtmospheric pressuresensorIntake air pressure sensor-open orshort circuit detected.Defective values are detected dueto the internal malfunction of theintake air pressure sensor or theAtmospheric pressure sensor.Able Able21 Coolant temperaturesensorCoolant temperature sensor-openor short circuit detected. Able Able22 Intake air temperaturesensorIntake air temperature sensor-open or short circuit detected. Able AbleManuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keysemail: info@motomatrix.co.uk