Yamaha Yzf R1 2007 Manual
Here you can view all the pages of manual Yamaha Yzf R1 2007 Manual. The Yamaha manuals for Motorcycle are available online for free. You can easily download all the documents as PDF.
Page 341
SIGNALING SYSTEM 8-22 NG→ OK↓ The tail/brake light fails to come on. NG→ OK↓ NG→ OK↓ NG→ OK↓ NG→ OK↓ The turn signal light, turn signal indicator light or both fail to blink. NG→ OK↓ NG→ OK↓ 3 Check the entire signaling system’s wiring. Refer to SIGNALING SYSTEM on page 8-19.Properly connect or repair the signal- ing system’s wiring. This circuit is OK. 1 Check the tail/brake light bulb and socket. Refer to CHECKING THE BULBS AND BULB SOCKETS on page 8- 84.Replace the tail/brake light bulb, socket...
Page 342
SIGNALING SYSTEM 8-23 NG→ OK↓ NG→ OK↓ The neutral indicator light fails to come on. NG→ OK↓ NG→ OK↓ The oil level warning light fails to come on. NG→ OK↓ NG→ OK↓ The fuel level warning light fails to come on. NG→ OK↓ 3 Check the turn signal relay. Refer to CHECKING THE RELAYS on page 8-88.The turn signal relay is faulty and must be replaced. 4 Check the entire signaling system’s wiring. Refer to SIGNALING SYSTEM on page 8-19.Properly connect or repair the signal- ing system’s wiring. This circuit is...
Page 343
SIGNALING SYSTEM 8-24 NG→ OK↓ The speedometer fails to operate. NG→ OK↓ NG→ OK↓ 2 Check the entire signaling system’s wiring. Refer to SIGNALING SYSTEM on page 8-19.Properly connect or repair the signal- ing system’s wiring. This circuit is OK. 1 Check the speed sensor. Refer to CHECKING THE SPEED SENSOR on page 8-95.Replace the speed sensor. 2 Check the entire signaling system’s wiring. Refer to SIGNALING SYSTEM on page 8-19.Properly connect or repair the signal- ing system’s wiring. Replace the...
Page 344
COOLING SYSTEM 8-25 EAS27300 COOLING SYSTEM EAS27310 CIRCUIT DIAGRAM
Page 345
COOLING SYSTEM 8-26 EAS27320 TROUBLESHOOTING NOTE: Before troubleshooting, remove the following part(s): 1Rider seat 2 Passenger seat 3 Fuel tank 4Side cowling NG→ OK↓ NG→ OK↓ NG→ OK↓ NG→ OK↓ NG→ OK↓ NG→ OK↓ 1. Main switch 4. Main fuse 8. Battery 19.ECU (engine control unit) 36.Coolant temperature sensor 79.Ignition fuse 83.Radiator fan motor relay84.Right radiator fan motor fuse 85.Left radiator fan motor fuse 86.Right radiator fan motor 87.Left radiator fan motor 88.Ground 89.Battery negative lead 1...
Page 346
COOLING SYSTEM 8-27 NG→ OK↓ 7 Check the entire cooling system’s wiring. Refer to COOLING SYSTEM on page 8-25.Properly connect or repair the cooling system’s wiring. This circuit is OK.
Page 347
COOLING SYSTEM 8-28
Page 348
FUEL INJECTION SYSTEM 8-29 EAS27330 FUEL INJECTION SYSTEM EAS27340 CIRCUIT DIAGRAM
Page 349
FUEL INJECTION SYSTEM 8-30 1. Main switch 4. Main fuse 5. Backup fuse 8. Battery 9. Fuel injection system fuse 12.Starting circuit cut-off relay 13.Neutral switch 14.Sidestand switch 15.Fuel pump 16.Throttle position sensor (for throttle valves) 17.Throttle position sensor (for throttle cable pulley) 18.O 2 sensor 19.ECU (engine control unit) 20.Ignition coil #1 21.Ignition coil #2 22.Ignition coil #3 23.Ignition coil #4 24.Spark plug 25.Injector #1 26.Injector #2 27.Injector #3 28.Injector #4 32.EXUP...
Page 350
FUEL INJECTION SYSTEM 8-31 EAS27350 ECU SELF-DIAGNOSTIC FUNCTION The ECU is equipped with a self-diagnostic function in order to ensure that the fuel injection system is operating normally. If this function detects a malfunction in the system, it immediately operates the engine under substitute characteristics and illuminates the engine trouble warning light to alert the rider that a malfunction has occurred in the system. Once a malfunction has been detected, a fault code is stored in the memory of...