Yamaha Mt 01 T 2005 Manual
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FUEL PUMP SYSTEM 7-67 EAS27550 FUEL PUMP SYSTEM EAS27560 CIRCUIT DIAGRAM Br/W B L/B R/Y B/Y PGY 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 B ON OFF BBB R R B BYL BG L/G L/GB(BLUE) L/G B (BLUE) (DARK GREEN)B B B3B3 WL B LW/YB/L B B LB/L B GBR/L B/LGy1 Gy B LB/LW/Y L B/LB/L Br/YBr/W P/W (BLACK) (BLACK)(BLACK) (BLACK)BrB LgBr/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 Y/G B/L Y/GL G/RB/LGy/RW/R Gy/G LgLGGB YYD BBB LLD BrBr Br B D (BLACK) (BLACK) B B/YL/Y (BROWN) (BROWN)Y Br W/B L/W1 B/RR/WY Br(BLUE) (BLACK) (BLACK)R R R/WL/W R/B B B/YB(BLUE) Y L/W1 B/RR/W Br LY Br LLBBr/LBr/LBr/LR/BG/Y R/W Br/R Br/G R Gy/R R RRR R/BBr/W BBRR RBB R/W R/WR LL B YBr B B B LL B G/YBr/WR/BL BB3 BB2 BB1 BB4BB BB G Y/B R/Y G/L R/Y B1BB4BB3BB2BB1 Br/WB/L B/LL P/YY(BLACK)LB SbBSb R/LL/RL/YB/R L/W1 Sb/WSb R L (BLACK) (BLACK)BR BB B RRBr/L Br/LBr/R Br/R R R/BR/BR/LL/RW/BG/YY/GR/WW/YYBr/YBr/WLBrB/LL/YL/W Gy/W LgDgChLGR/G R/L B/L R/W Gy/G Gy/W BB WL R/LGy/W Gy/GB/L Br/GBr/WBr/W B/GB/R B/GB/R G/RY/LGOOGyY/B Y/BG/LG/L R/Y R/YR/Y B B (BLACK) B ChDg B Br/WBr/G L Br/W R/Y Br GyBWB C C Gy1 R/LB BB B/Y W/B Br/RBr/L B2 B/LGy1 R/B Gy/BGy/R B/Y Y B R/G R/G Y/LR/WLgB2 Dg Ch B/L O B/RB/R OA A OOA Y Sb/W R/LL/W1 L/Y L/GSbL /R B /R B/YL R BB2 Lg R/W Y/LR/G B/L Br/Y G/Y Br/B B/RY/B Gy Lg O OGy/R Gy/B Gy/WB/GB3 B3GG/R Y/GBr/LB/Y Y/L Gy1 L/RL/Y R/L R/W Y W/Y W/B W/R W/G R/B R/BR/G Br Gy/GBr/Y P/WP/L P/Y Br/W B/Br B/BrB/L L/W L P/W (BLACK) (BLACK) B/LL
FUEL PUMP SYSTEM 7-68 3. Main switch 4. Battery 5. Fuel injection system fuse 8. Main fuse 10.ECU fuse 15.Fuel pump relay 17.Fuel pump 29.ECU (electronic control unit) 73.Engine stop switch 81.Ignition fuse
FUEL PUMP SYSTEM 7-69 EAS27570TROUBLESHOOTING If the fuel pump fails to operate. NOTE: Before troubleshooting, remove the following part(s): 1. Seat 2. Fuel tank 3. Air filter case NG → OK ↓ NG → OK ↓ NG → OK ↓ NG → OK ↓ NG → OK ↓ NG → OK ↓ NG → OK ↓ 1. Check the fuses. (Main, ignition, fuel injection system, and ECU) Refer to “CHECKING THE FUSES” on page 7-93.Replace the fuse(s). 2. Check the battery. Refer to “CHECKING AND CHARGING THE BATTERY” on page 7-94.Clean the battery terminals. Recharge or replace the battery. 3. Check the main switch. Refer to “CHECKING THE SWITCHES” on page 7-89.Replace the main switch/immobilizer unit. 4. Check the engine stop switch. Refer to “CHECKING THE SWITCHES” on page 7-89.Replace the right handlebar switch. 5. Check the relay unit (fuel pump relay). Refer to “CHECKING THE RELAYS” on page 7-96.Replace the relay unit. 6. Check the fuel pump. Refer to “CHECKING THE FUEL PUMP” on page 7-104.Replace the fuel pump. 7. Check the entire fuel pump system wiring. Refer to “CIRCUIT DIAGRAM” on page 7-67.Properly connect or repair the fuel pump system wiring. Replace the ECU.
MUFFLER COOLING SYSTEM 7-71 ET5YU1002 MUFFLER COOLING SYSTEM ET5YU1003 CIRCUIT DIAGRAM Br/W B L/B R/Y B/Y PGY 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 B ON OFF BBB R R B BYL BG L/G L/GB(BLUE) L/G B (BLUE) (DARK GREEN)B B B3B3 WL B LW/YB/L B B LB/L B GBR/L B/LGy1 Gy B LB/LW/Y L B/LB/L Br/YBr/W P/W (BLACK) (BLACK)(BLACK) (BLACK)BrB LgBr/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 Y/G B/L Y/GL Gy/G Y YD BBB L LD Br Br Br B D (BLACK) (BLACK) B B/YL/Y (BROWN) (BROWN)Y Br W/B L/W1 B/RR/WY Br (BLUE) (BLACK) (BLACK)R R R/WL/W R/B B B/YB(BLUE) Y L/W1 B/RR/W Br Br LLBBr/LBr/LBr/LR/BG/Y R/W Br/R Br/G R Gy/R R RRR R/BBr/W BB RR RBB R/W R/WR LL B YBr B B B LL B G/YBr/WR/BL BB3 BB2 BB1 BB4BB BB G Y/B R/Y G/L R/Y B1BB4BB3BB2BB1 Br/WB/L B/LL P/YY(BLACK)LB SbBSb R/LL/RL/YB/R L/W1 Sb/WSb R L (BLACK) (BLACK)BR BB B RRBr/L Br/LBr/R Br/R R R/BR/BR/LL/RW/BG/YY/GR/WW/YYBr/YBr/WLBrB/LL/YL/W Gy/W R/LGy/G BB WL R/LGy/W Gy/GB/L Br/GBr/WBr/W B/GB/RG/RY/LGOOGyY/B Y/BG/LG/L R/Y R/YR/Y B B (BLACK) B ChDg B Br/WBr/G Br/W R/Y Br Gy1 R/LB BB B/Y W/B Br/RBr/L B2 B/LGy1 R/B Gy/BGy/R B/Y B R/G R/G Y/LR/WLgB2 O OAO OA Y Sb/W R/LL/W1 L/Y L/GSbL /R B /R B/YL R BB2 Lg R/W Y/LR/G B/L Br/Y G/Y Br/B B/RY/B Gy Lg O OGy/R Gy/B Gy/WB/GB3 B3GG/R Y/GBr/LB/Y Y/L Gy1 L/RL/Y R/L R/W Y W/Y W/B W/R W/G R/B R/BR/G Br Gy/GBr/Y P/WP/L P/Y Br/W B/Br B/BrB/L L/W L P/W (BLACK) (BLACK) B/LL
MUFFLER COOLING SYSTEM 7-72 4. Battery 8. Main fuse 9. Muffler cover fan fuse 10.ECU fuse 26.Muffler cooling fan temperature sensor 29.ECU (electronic control unit) 78.Muffler cooling fan motor 79.Muffler cooling fan motor relay
MUFFLER COOLING SYSTEM 7-73 ET5YU1004TROUBLESHOOTING The muffler cooling fan motor fails to turn. NOTE: Before troubleshooting, remove the following part(s): 1. Seat NG → OK ↓ NG → OK ↓ NG → OK ↓ NG → OK ↓ NG → OK ↓ NG → OK ↓ 1. Check the fuses. (Main, muffler cover fan, and ECU) Refer to “CHECKING THE FUSES” on page 7-93.Replace the fuse(s). 2. Check the battery. Refer to “CHECKING AND CHARGING THE BATTERY” on page 7-94.Clean the battery terminals. Recharge or replace the battery. 3. Check the muffler cooling fan motor. Refer to “CHECKING THE MUFFLER COOLING FAN MOTOR” on page 7-107.Replace the muffler cooling fan motor. 4. Check the muffler cooling fan motor relay. Refer to “CHECKING THE RELAYS” on page 7-96.Replace the muffler cooling fan motor relay. 5. Check the muffler cooling fan temperature sensor. Refer to “CHECKING THE MUFFLER COOLING FAN TEMPERATURE SENSOR” on page 7-108.Replace the muffler cooling fan temperature sensor. 6. Check the entire muffler cooling system wiring. Refer to “CIRCUIT DIAGRAM” on page 7-71.Properly connect or repair the muffler cooling system wiring. Replace the ECU.
IMMOBILIZER SYSTEM 7-75 EAS27640 IMMOBILIZER SYSTEM EAS27650 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 Y/GB/L Y/GL Gy/BB/R GG/RB/LG G/RB/LGy/RW/R Gy/G Sb/W WG (GRAY)WGy(DARK GRAY) (BLACK) (BLACK) (BLACK) LgL Gy/RLg BB G G G W B YYD BBBLLD BrBr Br B D (BLACK) (BLACK) (BLACK) (BLACK) B B/YL/Y (BROWN) (BROWN)Y Br W/B L/W1 B/RR/WYBr(BLUE) (BLACK) (BLACK)R R (GRAY)(GRAY) R/WL/W R/B B B/YB(BLUE) Y L/W1 B/RR/W Br Y L B LY BLYB Br LLBBr/LBr/LBr/LR/BG/Y R/W Br/R Br/G R Gy/R R R BRR R/BBr/W BBRR RBBR/WR/WR LL B OOB/R OOB/RA WIRE HARNESS WIRE HARNESS WIRE HARNESS WIRE HARNESS SUB-WIRE-HARNESS1 SUB-WIRE-HARNESS2 SUB-WIRE-HARNESS2 SUB-WIRE-HARNESS3WG B Gy B Gy WG(BLACK) (BLACK)B ChB BDg ChBBDgCLL YY Br Br D YBr B B B LL B G/YBr/WR/BL BB3 BB2 BB1 BB4BB BB Y YG GL/R L/RB B (GRAY) (GRAY)(BLACK) (BLACK) DgB B L ChBBCh B B Ch B Dg Dg (BLACK) (BLACK)BBB Dg Dg GG Y/B R/Y G/L R/Y B1BB4BB3BB2BB1 Br/WB/L B/LL P/YY(BLACK)LB SbBSb R/LL/RL/YB/R L/W1 Sb/WSb R L (BLACK) (BLACK)BR BB B RRBr/L Br/LBr/R Br/R R R/BR/BR/LL/RW/BG/YY/GR/W R/W W/YYBr/YBr/WLBrB/LL/YL/W Gy/RB/R Gy/W B/RB/R W/R B/GB/R B/LL LgDgChL B G Y/L R/G R/L B/L R/W Gy/G Gy/W SbDgCh Y BB WL R/LGy/W Gy/GB/L (GRAY) (GRAY)BBChB Ch Br/GBr/WBr/W B/GB/R B/GB/R G/RY/LGOO OO GyY/B Y/BG/LG/L R/Y R/YR/Y B B (BLACK) B ChDg B Br/WBr/G Y B L/R LB Br/W R/Y Br GyGyGyBWWB C C Gy1 W R/LB BB B/Y W/B Br/RBr/L B2 B/LGy1 R/B Gy/BGy/R B/Y Y B R/G R/G Y/LR/WLgB2 G/R Dg Ch Dg Ch Dg Ch C C B B B B B/L O B/RB/R OA A OOA Br/BR/W Y Sb/W R/LL/W1 L/Y L/GSbL /R B /RB/YL R BB2 LgR/WY/LR/G B/L Br/Y G/Y Br/B B/RY/B Gy Lg O OGy/R Gy/B Gy/WB/GB3 B3GG/R Y/GBr/LB/Y Y/L Gy1 L/RL/Y R/L R/W Y W/Y W/B W/R W/G R/B R/BR/G BrGy/GBr/Y P/WP/L P/Y Br/W B/Br B/BrB/L L/W L P/W (BLACK) (BLACK) B/LL