Yamaha 2014 MT-07 Service Manual

FUEL INJECTION SYSTEM8-59Procedure Check that the number increases when the rear wheel is rotated. Thenumber is cumulative and does not reset each time the wheel is stopped.Item Probable cause of malfunc-tion and check Maintenance job Confirmation of service com-pletionA-1 Locate the malfunction. Execute the diagnostic mode.(Code No. 07)Rotate the rear wheel by handand check that the indicated val-ue increases.Value does not increase → Goto item A-2.Execute the diagnostic mode.(Code No. 21)When the transmission is inneutral: “ON”When the transmission is ingear with the clutch lever re-leased: “OFF”Incorrect indication → Go toitem B-2 for the gear positionswitch.When the transmission is ingear with the clutch leversqueezed and the sidestand re-tracted: “ON”Incorrect indication → Go toitem C-2 for the clutch switch.A-2 Connection of rear wheel sen-sor coupler.Check the locking condition ofthe coupler.Disconnect the coupler andcheck the pins (bent or brokenterminals and locking conditionof the pins).Improperly connected → Con-nect the coupler securely or re-place the wire harness.Execute the diagnostic mode.(Code No. 07)Rotate the rear wheel by handand check that the indicated val-ue increases.Value increases → Go to itemA-8 and delete the fault code.Value does not increase → Goto item A-3.A-3 Connection of ABS ECU cou-pler.Check the locking condition ofthe coupler.Disconnect the coupler andcheck the pins (bent or brokenterminals and locking conditionof the pins).Improperly connected → Con-nect the coupler securely or re-place the wire harness.Execute the diagnostic mode.(Code No. 07)Rotate the rear wheel by handand check that the indicated val-ue increases.Value increases → Go to itemA-8 and delete the fault code.Value does not increase → Goto item A-4.A-4 Connection of ECU coupler.Check the locking condition ofthe coupler.Disconnect the coupler andcheck the pins (bent or brokenterminals and locking conditionof the pins).Improperly connected → Con-nect the coupler securely or re-place the wire harness.Execute the diagnostic mode.(Code No. 07)Rotate the rear wheel by handand check that the indicated val-ue increases.Value increases → Go to itemA-8 and delete the fault code.Value does not increase → Goto item A-5.Fault code No. 42ItemA Rear wheel sensor: no normal signals are received from therear wheel sensor.B Gear position switch: open or short circuit is detected.C Clutch switch: open or short circuit is detected.