Yamaha Yzf R1 2007 Manual
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FUEL INJECTION SYSTEM 8-42 Actuator operation table61 Malfunction history code — No history 00 History exists 11-60 (Fault detection code) (If more than one code number is detected, the dis- play changes every two seconds to show all the detected code numbers. When all code numbers are shown, the display repeats.) 62 Malfunction history code erasure No history 00 — History exists Displays the total number of malfunctions, including the current malfunction, that have occurred since the his- tory was last erased.(For example, if there have been three malfunctions, “03” is displayed.)To erase the history, set the engine stop switch from “ ” to “ ”. 63 Malfunction code reinstate (for fault code No. 24 only) No malfunction code 00 — Malfunction code exists Fault codes 24 (If more than one code number is detected, the dis- play changes every two seconds to show all the detected code numbers. When all code numbers are shown, the display repeats.)To erase the history, set the engine stop switch from “ ” to “ ”. 70 Control number 00 — Diag- nostic code No.Item Actuation Checking method 30 Cylinder-#1 ignition coilActuates the cylinder-#1 igni- tion coil five times at one-sec- ond intervals. Illuminates the engine trou- ble warning light.Check the spark five times. Connect an ignition checker. Diag- nostic code No.Item Meter display Checking method
FUEL INJECTION SYSTEM 8-43 31 Cylinder-#2 ignition coilActuates the cylinder-#2 igni- tion coil five times at one-sec- ond intervals. Illuminates the engine trou- ble warning light.Check the spark five times. Connect an ignition checker. 32 Cylinder-#3 ignition coilActuates the cylinder-#3 igni- tion coil five times at one-sec- ond intervals. Illuminates the engine trou- ble warning light.Check the spark five times. Connect an ignition checker. 33 Cylinder-#4 ignition coilActuates the cylinder-#4 igni- tion coil five times at one-sec- ond intervals. Illuminates the engine trou- ble warning light.Check the spark five times. Connect an ignition checker. 34 Intake funnelActuates the intake funnel (up position down position for each 3 seconds). Illuminates the engine trou- ble warning light.Check the operating sound of the intake funnel. 36 Injector #1Actuates the injector #1 five times at one-second inter- vals. Illuminates the engine trou- ble warning light.Check the operating sound of the primary injector #1 five times. 37 Injector #2Actuates the injector #2 five times at one-second inter- vals. Illuminates the engine trou- ble warning light.Check the operating sound of the primary injector #2 five times. 38 Injector #3Actuates the injector #3 five times at one-second inter- vals. Illuminates the engine trou- ble warning light.Check the operating sound of the primary injector #3 five times. 39 Injector #4Actuates the injector #4 five times at one-second inter- vals. Illuminates the engine trou- ble warning light.Check the operating sound of the primary injector #4 five times. 48Air induction system sole- noidActuates the air induction system solenoid five times at one-second intervals. Illuminates the engine trou- ble warning light.Check the operating sound of the air induction system solenoid five times. Diag- nostic code No.Item Actuation Checking method
FUEL INJECTION SYSTEM 8-44 EAS27461 TROUBLESHOOTING DETAILS This section describes the measures per fault code number displayed on the meter. Check and ser- vice the items or components that are the probable cause of the malfunction following the order given. After the check and service of the malfunctioning part has been completed, reset the meter display according to the reinstatement method. Fault code No.: Code number displayed on the meter when the engine failed to work normally. Refer to “Self-Diag- nostic Function table”. Diagnostic code No.: Diagnostic code number to be used when the diagnostic mode is operated. Refer to DIAGNOSTIC MODE on page 8-36.50 Fuel injection system relayActuates the fuel injection system relay five times at one-second intervals. Illuminates the engine trou- ble warning light. (The engine trouble warning light is OFF when the relay is ON, and the engine trouble warning light is ON when the relay is OFF).Check the operating sound of the fuel injection system relay five times. 51 Radiator fan motor relayActuates the radiator fan motor relay five times at one second intervals. (ON 2 sec- onds, OFF 3 seconds) Illuminates the engine trou- ble warning light.Check the operating sound of the radiator fan motor relay five times. 52 Headlight relayActuates the headlight relay five times at one-second intervals. (ON 2 seconds, OFF 3 seconds) Illuminates the engine trou- ble warning light.Check the operating sound of the headlight relay five times. 53 EXUP servo motorActuates the servo motor (turns to open side and to closed side). Illuminates the engine trou- ble warning light.Check the operating sound. Diag- nostic code No.Item Actuation Checking method
FUEL INJECTION SYSTEM 8-45 Fault code No. 11 SymptomNo normal signals are received from the cylinder identifi- cation sensor when the engine is started or while the vehicle is being driven. Diagnostic code No. — — Orde rItem/components and probable causeCheck or maintenance jobReinstatement method 1 Installed condition of cylinder identifi- cation sensor.Check for looseness or pinching. Cranking the engine. 2 Connections Cylinder identification sensor cou- pler Main wire harness ECU coupler Check the couplers for any pins that may be pulled out. Check the locking condition of the couplers. If there is a malfunction, repair it and connect the coupler securely. 3 Open or short circuit in wire harness. Repair or replace if there is an open or short circuit. Between the cylinder identifica- tion sensor coupler and ECU coupler. (Blue–Blue) (White/Black–White/Black) (Black/Blue–Black/Blue) 4 Defective cylinder identification sen- sor. Replace if defective. Refer to CHECKING THE CYLINDER IDENTIFICATION SENSOR on page 8-99.
FUEL INJECTION SYSTEM 8-46 Fault code No. 12 SymptomNo normal signals are received from the crankshaft posi- tion sensor. Diagnostic code No. — — Orde rItem/components and probable causeCheck or maintenance jobReinstatement method 1 Installed condition of crankshaft posi- tion sensorCheck for looseness or pinching. Cranking the engine. 2 Connections Crankshaft position sensor coupler Main wire harness ECU coupler Check the coupler for any pins that may have pulled out. Check the locking condition of the coupler. If there is a malfunction, repair it and connect the coupler securely. 3 Open or short circuit in wire harness. Repair or replace if there is an open or short circuit. Between the crankshaft position sensor coupler and ECU cou- pler. (Gray–Gray) (Black/Blue–Black/Blue) 4 Defective crankshaft position sensor. Replace if defective. Refer to CHECKING THE CRANKSHAFT POSITION SENSOR on page 8-92. Fault code No. 13 Symptom Intake air pressure sensor: open or short circuit detected. Diagnostic code No. 03 Intake air pressure sensor Orde rItem/components and probable causeCheck or maintenance jobReinstatement method 1 Connections Intake air pressure sensor coupler Main wire harness ECU coupler Check the coupler for any pins that may be pulled out. Check the locking condition of the coupler. If there is a malfunction, repair it and connect the coupler securely.Reinstated automatically if a normal signal is received. 2 Open or short circuit in wire harness and/or sub-wire-harness 2. Repair or replace if there is an open or short circuit. Between intake air pressure sensor coupler and ECU cou- pler (Black/Blue–Black/Blue) (Pink/White–Pink/White) (Blue–Blue) 3 Defective intake air pressure sensor. Execute the diagnostic mode. (Code No.03) Replace if defective. Refer to CHECKING THE INTAKE AIR PRESSURE SEN- SOR on page 8-99.
FUEL INJECTION SYSTEM 8-47 Fault code No. 14 SymptomIntake air pressure sensor: hose system malfunction (clogged or detached hose). Diagnostic code No. 03 Intake air pressure sensor Orde rItem/components and probable causeCheck or maintenance jobReinstatement method 1 Intake air pressure sensor hose Check the intake air pressure sensor hose condition. Repair or replace the sensor hose.Cranking the engine. 2 Defective intake air pressure sensor. Execute the diagnostic mode. (Code No. 03) Replace if defective. Refer to CHECKING THE INTAKE AIR PRESSURE SEN- SOR on page 8-99. Fault code No. 15 SymptomThrottle position sensor (for throttle valves): open or short circuit detected. Diagnostic code No.01 13Throttle position sensor (for throttle valves) signal 1 Throttle position sensor (for throttle valves) signal 2 Orde rItem/components and probable causeCheck or maintenance jobReinstatement method 1 Installed condition of throttle position sensor (for throttle valves). Check for looseness or pinch- ing. Check that the sensor is installed in the specified posi- tion.Turning the main switch to “ON”. 2 Connections Throttle position sensor (for throttle valves) coupler Main wire harness ECU coupler Check the coupler for any pins that may be pulled out. Check the locking condition of the coupler. If there is a malfunction, repair it and connect the coupler securely. 3 Open or short circuit in wire harness. Repair or replace if there is an open or short circuit. Between throttle position sensor coupler (for throttle valves) cou- pler and ECU coupler. (Black/Blue–Black/Blue) (White–White) (Black–Black) (Blue–Blue) 4 Defective throttle position sensor (for throttle valves). Execute the diagnostic mode. (Code Nos. 01, 13) Replace if defective. Refer to CHECKING THE THROTTLE POSITION SEN- SOR (FOR THROTTLE VALVES) on page 8-97.
FUEL INJECTION SYSTEM 8-48 Fault code No. 17 Symptom EXUP servo motor circuit: open or short circuit detected. Diagnostic code No. 53 EXUP servo motor Orde rItem/components and probable causeCheck or maintenance jobReinstatement method 1 Connections EXUP servo motor coupler Main wire harness ECU coupler Check the coupler for any pins that may have pulled out. Check the locking condition of the coupler. If there is a malfunction, repair it and connect the coupler securely.Reinstated automatically if a normal signal is received. 2 Open or short circuit in wire harness. Repair or replace if there is an open or short circuit. Between EXUP servo motor coupler and ECU coupler. (Blue–Blue) (White/Red–White/Red) (Black/Blue–Black/Blue) 3 Defective EXUP servo motor (potenti- ometer circuit). Execute the diagnostic mode. (Code No.53) Replace if defective. Fault code No. 18 Symptom EXUP servo motor is stuck. Diagnostic code No. 53 EXUP servo motor Orde rItem/components and probable causeCheck or maintenance jobReinstatement method 1 Connections EXUP servo motor coupler Main wire harness ECU coupler Check the coupler for any pins that may be pulled out. Check the locking condition of the couplers. If there is a malfunction, repair it and connect the coupler securely.Turning the main switch to “ON”. It takes 3 sec- onds at the maximum before the origi- nal state returns. 2 Open or short circuit in wire harness. Repair or replace if there is an open or short circuit. Between EXUP servo motor coupler and ECU coupler. (Black/Green–Black/Green) (Black/Red–Black/Red) 3 Defective EXUP servo motor Execute the diagnostic mode. (Code No.53) Replace if defective. 4 Defective EXUP valve, pulley, and cablesReplace if defective.
FUEL INJECTION SYSTEM 8-49 Fault code No. 19 SymptomOpen circuit is detected in the input line from the side- stand switch to the ECU. Diagnostic code No. 20 Sidestand switch Orde rItem/components and probable causeCheck or maintenance jobReinstatement method 1 Connections Main wire harness ECU coupler Execute the diagnostic mode. (Code No.20) Check the coupler for any pins that may be pulled out. Check the locking condition of the coupler. If there is a malfunction, repair it and connect the coupler securely.If the transmis- sion is in gear, retracting the sidestand. If the transmis- sion is in neu- tral, reconnecting the wiring. 2 Open or short circuit in wire harness. Repair or replace if there is an open or short circuit. Between ECU coupler and relay unit coupler. (Blue/Yellow–Blue/Yellow) Between relay unit coupler and sidestand switch coupler. (Blue/Black–Blue/Black) Between sidestand switch cou- pler and engine ground. (Black–Black) 3 Defective sidestand switch. Replace if defective. Refer to CHECKING THE SWITCHES on page 8-81. Fault code No. 20 SymptomWhen the main switch is turned to ON, the atmospheric pressure sensor voltage and intake air pressure sensor voltage differ greatly. Diagnostic code No.03 02Intake air pressure sensor Atmospheric pressure sensor Orde rItem/components and probable causeCheck or maintenance jobReinstatement method 1 Defective intake air pressure sensor or atmospheric pressure sensor. Execute the diagnostic mode. (Code Nos. 03, 02) Replace if defective. Refer to CHECKING THE INTAKE AIR PRESSURE SEN- SOR on page 8-99 or CHECKING THE ATMO- SPHERIC PRESSURE SEN- SOR on page 8-98.Turning the main switch to “ON”.
FUEL INJECTION SYSTEM 8-50 Fault code No. 21 SymptomCoolant temperature sensor: open or short circuit detected. Diagnostic code No. 06 Coolant temperature sensor Orde rItem/components and probable causeCheck or maintenance jobReinstatement method 1 Connections Coolant temperature sensor coupler Main wire harness ECU coupler Check the coupler for any pins that may have pulled out. Check the locking condition of the couplers. If there is a malfunction, repair it and connect the coupler securely.Reinstated automatically if a normal signal is received. 2 Open or short circuit in wire harness. Repair or replace if there is an open or short circuit. Between coolant temperature sensor coupler and ECU cou- pler. (Green/White–Green/White) (Black/Blue–Black/Blue) 3 Defective coolant temperature sensor. Execute the diagnostic mode. (Code No.06) Replace if defective. Refer to CHECKING THE COOLANT TEMPERATURE SENSOR on page 8-96. Fault code No. 22 Symptom Air temperature sensor: open or short circuit detected. Diagnostic code No. 05 Air temperature sensor Orde rItem/components and probable causeCheck or maintenance jobReinstatement method 1 Connections Air temperature sensor coupler Main wire harness ECU coupler Check the coupler for any pins that may have pulled out. Check the locking condition of the coupler. If there is a malfunction, repair it and connect the coupler securely.Reinstated automatically if a normal signal is received. 2 Open or short circuit in wire harness. Repair or replace if there is an open or short circuit. Between air temperature sensor coupler and ECU coupler. (Brown/White–Brown/White) (Black/Blue–Black/Blue) 3 Defective air temperature sensor. Execute the diagnostic mode. (Code No.05) Replace if defective. Refer to CHECKING THE INTAKE AIR TEMPERATURE SENSOR on page 8-99.
FUEL INJECTION SYSTEM 8-51 Fault code No. 23 SymptomAtmospheric pressure sensor: open or short circuit detected. Diagnostic code No. 02 Atmospheric pressure sensor Orde rItem/components and probable causeCheck or maintenance jobReinstatement method 1 Connections Atmospheric pressure sensor cou- pler Main wire harness ECU coupler Check the coupler for any pins that may have pulled out. Check the locking condition of the coupler. If there is a malfunction, repair it and connect the coupler securely.Reinstated automatically if a normal signal is received. 2 Open or short circuit in wire harness and/or sub wire harness 2. Repair or replace if there is an open or short circuit. Between atmospheric pressure sensor coupler and ECU cou- pler. (Black/Blue–Black/Blue) (Pink–Pink) (Blue–Blue) 3 Defective atmospheric pressure sen- sor. Execute the diagnostic mode. (Code No.02) Replace if defective. Refer to CHECKING THE ATMOSPHERIC PRESSURE SENSOR on page 8-98. Fault code No. 24 SymptomNo normal signal is received from the O 2 sensor. Diagnostic code No. — — Orde rItem/components and probable causeCheck or maintenance jobReinstatement method 1 Installed state of O 2 sensor. Check for looseness or pinching. Execute the diagnostic mode (Code No. 63). (Set the engine stop switch to “ ”.) 2 Connections O 2 sensor coupler Main wire harness ECU coupler Check the couplers for any pins that may be pulled out. Check the locking condition of the couplers. If there is a malfunction, repair it and connect the coupler securely. 3 Open or short circuit in wire harness. Repair or replace if there is an open or short circuit. Between O 2 sensor coupler and ECU coupler. (Gray/Green–Gray/Green) (Black/Blue–Black/Blue) 4 Check fuel pressure. Refer to THROTTLE BODIES on page 7-4. 5Defective O 2 sensor. Replace if defective.