Yamaha YZF-R1 2007 Service Manual

FUEL INJECTION SYSTEM8-53Fault code No. 30 Symptom Latch up detected.No normal signal is received from the lean angle sensor.Diagnostic code No. 08 Lean angle sensorOrderItem/components and probablecause Check or maintenance job Reinstatementmethod1 The vehicle has overturned. Raise the vehicle upright. Turning themain switch to“ON” (however,the engine can-not be restartedunless the mainswitch is firstturned to“OFF”).2 Installed state of the lean angle sen-sor.Check the installed direction andcondition of the sensor.3 Defective lean angle sensor. • Execute the diagnostic mode.(Code No.08)• Replace if defective.Refer to "CHECKING THELEAN ANGLE SENSOR" onpage 8-96.Fault code No. 33 Symptom Open circuit detected in the primary lead of the cylinder-#1 ignition coil.Diagnostic code No. 30 Cylinder-#1 ignition coilOrderItem/components and probablecause Check or maintenance job Reinstatementmethod1 Connections• Cylinder-#1 ignition coil coupler• Main wire harness ECU coupler• Sub-wire harness 1 coupler• Check the coupler for any pinsthat may be pulled out.• Check the locking condition ofthe coupler.• If there is a malfunction, repair itand connect coupler securely.Cranking theengine.(Connect thecylinder-#1 igni-tion coil cou-pler.)2 Open or short circuit in wire harnessand/or sub-wire harness 1.• Repair or replace if there is anopen or short circuit.• Between cylinder-#1 ignitioncoil coupler and ECU coupler.(Red/Black–Red/Black)(Orange–Orange)3 Defective cylinder-#1 ignition coil. • Execute the diagnostic mode.(Code No.30)• Test the primary and secondarycoils for continuity.• Replace if defective.Refer to "CHECKING THEIGNITION COILS" on page 8-95.Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keysemail: info@motomatrix.co.uk