Yamaha Yzf R1 2007 Manual
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CHARGING SYSTEM 8-12 2. AC magneto 3. Rectifier/regulator 4. Main fuse 8. Battery 88.Ground 89.Battery negative lead
CHARGING SYSTEM 8-13 EAS27230 TROUBLESHOOTING The battery is not being charged. NOTE: Before troubleshooting, remove the following part(s): 1Rider seat 2 Fuel tank 3 Air filter case NG→ OK↓ NG→ OK↓ NG→ OK↓ NG→ OK↓ NG→ OK↓ 1 Check the fuse. (Main) Refer to CHECKING THE FUSES on page 8-85.Replace the fuse. 2 Check the battery. Refer to CHECKING AND CHARGING THE BATTERY on page 8-85. Clean the battery terminals. Recharge or replace the battery. 3 Check the stator coil Refer to CHECKING THE STATOR COIL on page 8-93. Replace the stator coil assembly. 4 Check the rectifier/regulator. Refer to CHECKING THE RECTI- FIER/REGULATOR on page 8-93.Replace the rectifier/regulator. 5 Check the entire charging system’s wiring. Refer to CHARGING SYSTEM on page 8-11.Properly connect or repair the charg- ing system’s wiring. This circuit is OK.
LIGHTING SYSTEM 8-15 EAS27240 LIGHTING SYSTEM EAS27250 CIRCUIT DIAGRAM
LIGHTING SYSTEM 8-16 1. Main switch 4. Main fuse 8. Battery 19.ECU (engine control unit) 51.High beam indicator light 54.Meter light 62.Dimmer switch 71.Headlight 72.Auxiliary light 74.License plate light 76.Tail/brake light 77.Headlight relay (on/off) 78.Headlight relay (dimmer) 81.Headlight fuse 88.Ground 89.Battery negative lead
LIGHTING SYSTEM 8-17 EAS27260 TROUBLESHOOTING Any of the following fail to light: headlight, high beam indicator light, taillight, license light or meter light. NOTE: Before troubleshooting, remove the following part(s): 1Rider seat 2 Fuel tank 3 Side cowlings NG→ OK↓ NG→ OK↓ NG→ OK↓ NG→ OK↓ NG→ OK↓ NG→ OK↓ NG→ OK↓ 1 Check the each bulbs and bulb sockets condition. Refer to CHECKING THE BULBS AND BULB SOCKETS on page 8- 84.Replace the bulb(s) and bulb socket(s). 2 Check the fuses. (Main, headlight and park) Refer to CHECKING THE FUSES on page 8-85.Replace the fuse(s). 3 Check the battery. Refer to CHECKING AND CHARGING THE BATTERY on page 8-85. Clean the battery terminals. Recharge or replace the battery. 4 Check the main switch. Refer to CHECKING THE SWITCHES on page 8-81.Replace the immobilizer unit. 5 Check the dimmer switch. Refer to CHECKING THE SWITCHES on page 8-81.The dimmer switch is faulty. Replace the left handlebar switch. 6 Check the rear brake light switch. Refer to CHECKING THE SWITCHES on page 8-81.Replace the rear brake light switch. 7 Check the headlight relay (on/off). Refer to CHECKING THE RELAYS on page 8-88.Replace the headlight relay.
LIGHTING SYSTEM 8-18 NG→ OK↓ NG→ OK↓ 8 Check the headlight relay (dimmer). Refer to CHECKING THE RELAYS on page 8-88.Replace the headlight relay. 9 Check the entire lighting system’s wiring. Refer to LIGHTING SYSTEM on page 8-15.Properly connect or repair the lighting system’s wiring. This circuit is OK.
SIGNALING SYSTEM 8-19 EAS27270 SIGNALING SYSTEM EAS27280 CIRCUIT DIAGRAM
SIGNALING SYSTEM 8-20 1. Main switch 4. Main fuse 8. Battery 9. Fuel injection system fuse 12.Starting circuit cut-off relay 13.Neutral switch 15.Fuel pump 19.ECU (engine control unit) 33.Speed sensor 43.Fuel level warning light 44.Oil level warning light 45.Neutral indicator light 46.Tacho meter 47.Shift timing indicator light 48.Multi-function meter 50.Coolant temperature indicator light 52.Left turn signal indicator light 53.Right turn signal indicator light 57.Front brake light switch 60.Turn signal relay 63.Horn switch 65.Turn signal switch 66.Horn 67.Front left turn signal light 68.Front right turn signal light 69.Rear left turn signal light 70.Rear right turn signal light 75.Rear brake light switch 76.Tail/brake light 79.Ignition fuse 80.Signal fuse 88.Ground 89.Battery negative lead
SIGNALING SYSTEM 8-21 EAS27290 TROUBLESHOOTING Any of the following fail to light: turn signal light, brake light or an indicator light. The horn fails to sound. 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↓ Check the signaling system The horn fails to sound. NG→ OK↓ NG→ OK↓ 1 Check the fuses. (Main, fuel injection system, head- light, Turn signal light, signal) Refer to CHECKING THE FUSES on page 8-85.Replace the fuse(s). 2 Check the battery. Refer to CHECKING AND CHARGING THE BATTERY on page 8-85. Clean the battery terminals. Recharge or replace the battery. 3 Check the main switch. Refer to CHECKING THE SWITCHES on page 8-81.Replace the main switch/immobilizer unit assembly. 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 OK. 1 Check the horn switch. Refer to CHECKING THE SWITCHES on page 8-81.Replace the left handlebar switch. 2 Check the horn. Refer to CHECKING THE HORN on page 8-94.Replace the horn.