Yamaha Mt 01 T 2005 Manual
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Page 331
LIGHTING SYSTEM 7-16 3. Main switch 4. Battery 8. Main fuse 10.ECU fuse 29.ECU (electronic control unit) 47.High beam indicator light 50.Meter light 54.Headlight relay 57.Pass switch 58.Dimmer switch 67.Auxiliary light 68.Headlight (high beam) 69.Headlight (low beam) 75.Tail/brake light 76.License plate light 80.Headlight fuse 82.Signaling system fuse 83.Parking lighting fuse
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LIGHTING SYSTEM 7-17 EAS27260TROUBLESHOOTING Any of the following fail to light: headlight (high beam), headlight (low beam), high beam indicator light, taillight, license plate light, auxiliary light or meter light. NOTE: Before troubleshooting, remove the following part(s): 1. Seat 2. Fuel tank 3. Air filter case 4. Headlight assembly NG → OK ↓ NG → OK ↓ NG → OK ↓ NG → OK ↓ NG → OK ↓ NG → OK ↓ NG → OK ↓ 1. Check the condition of each bulb and bulb socket. Refer to “CHECKING THE...
Page 333
LIGHTING SYSTEM 7-18 NG → OK ↓ 8. Check the entire lighting system wiring. Refer to “CIRCUIT DIAGRAM” on page 7-15.Properly connect or repair the lighting system wiring. This circuit is OK.
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SIGNALING SYSTEM 7-19 EAS27270 SIGNALING SYSTEM EAS27280 CIRCUIT DIAGRAM Br/W B L/B R/Y B/YPGY BDg Ch Br/W L/YG/L R/Y B/Y B G Y B Dg Ch B1 B2 B1B2 R/GB2 LgY/L R/W B B BL G G Sb/W R/GLg Dg R/WCh Y/L Y/L YLR/W R/G Lg B B ON OFF BBB R R B BYL BG L/GL/GB(BLUE) L/G B (BLUE) (DARK GREEN)B B B3B3 WL B LW/YB/L B B LB/L B GBR/L B Y B G B/LGy1 Gy B LB/LW/Y L B/LB/L Br/YBr/W P/W (BLACK) (BLACK)(BLACK) (BLACK)BrB LgBr/B Br/B R/B R/BR/G P/L W/G Br/L B/BrB/Br P/YP/W P/LW/GW/RBr/LR/G P/LW/GBr/LR/G R/B B/L B/L P/Y L...
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SIGNALING SYSTEM 7-20 3. Main switch 4. Battery 8. Main fuse 10.ECU fuse 12.Backup fuse (odometer, clock and immobilizer system) 13.Relay unit 16.Neutral switch 18.Fuel sender 25.Speed sensor 29.ECU (electronic control unit) 42.Fuel level warning light 43.Neutral indicator light 44.Multi-function meter 45.Engine trouble warning light 48.Left turn signal indicator light 49.Right turn signal indicator light 52.Horn 53.Turn signal/hazard relay 59.Hazard switch 60.Turn signal switch 61.Horn switch 62.Front...
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SIGNALING SYSTEM 7-21 EAS27290TROUBLESHOOTING Any of the following fail to light: turn signal light, brake light or indicator light. The horn fails to sound. The speedometer fails to operate. NOTE: Before troubleshooting, remove the following part(s): 1. Seat 2. Fuel tank 3. Air filter case 4. Headlight assembly NG → OK ↓ NG → OK ↓ NG → OK ↓ NG → OK ↓ Checking the signaling system The horn fails to sound. NG → OK ↓ NG → OK ↓ 1. Check the fuses. (Main, ignition, signaling system,...
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SIGNALING SYSTEM 7-22 NG → OK ↓ The tail/brake light fails to come on. NG → OK ↓ NG → OK ↓ NG → OK ↓ The turn signal light, turn signal indicator light or both fail to blink. NG → OK ↓ NG → OK ↓ NG → OK ↓ NG → OK ↓ 3. Check the entire signaling system wiring. Refer to “CIRCUIT DIAGRAM” on page 7-19.Properly connect or repair the signaling system wiring. This circuit is OK. 1. Check the front brake light switch. Refer to “CHECKING THE SWITCHES” on page 7-89.Replace the front...
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SIGNALING SYSTEM 7-23 NG → OK ↓ The neutral indicator light fails to come on. NG → OK ↓ NG → OK ↓ The fuel level warning light fails to come on. NG → OK ↓ NG → OK ↓ The speedometer fails to operate. NG → OK ↓ NG → OK ↓ 5. Check the entire signaling system wiring. Refer to “CIRCUIT DIAGRAM” on page 7-19.Properly connect or repair the signaling system wiring. This circuit is OK. 1. Check the neutral switch. Refer to “CHECKING THE SWITCHES” on page 7-89.Replace the neutral switch....
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SIGNALING SYSTEM 7-24
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FUEL INJECTION SYSTEM 7-25 EAS27330 FUEL INJECTION SYSTEM EAS27340 CIRCUIT DIAGRAM Br/W B L/B R/Y B/YPGY BDg Ch Br/W L/YG/L R/Y B/Y B G Y B Dg Ch B1 B2 B1B2 R/GB2 LgY/L R/W B B BL G G Sb/W R/GLg Dg R/WCh Y/L Y/L YLR/W R/G Lg B B ON OFF BBB R R B BYL BG L/GL/GB(BLUE) L/G B (BLUE) (DARK GREEN)B B B3B3 WL B LW/YB/L B B LB/L B GBR/L B Y B G B/LGy1 Gy B LB/LW/Y L B/LB/L Br/YBr/W P/W (BLACK) (BLACK)(BLACK) (BLACK)BrB LgBr/B Br/B R/B R/BR/G P/L W/G Br/L B/BrB/Br P/YP/W P/LW/GW/RBr/LR/G P/LW/GBr/LR/G R/B B/L...