Yamaha Mt 01 T 2005 Manual
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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
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 BULBS AND BULB SOCKETS” on page 7-92.Replace the bulb(s) and bulb socket(s). 2. Check the fuses. (Main, headlight, signaling system, parking lighting, and ECU) Refer to “CHECKING THE FUSES” on page 7-93.Replace the fuse(s). 3. Check the battery. Refer to “CHECKING AND CHARGING THE BATTERY” on page 7-94.Clean the battery terminals. Recharge or replace the battery. 4. Check the main switch. Refer to “CHECKING THE SWITCHES” on page 7-89.Replace the main switch/immobilizer unit. 5. Check the dimmer switch. Refer to “CHECKING THE SWITCHES” on page 7-89.Replace the left handlebar switch. 6. Check the pass switch. Refer to “CHECKING THE SWITCHES” on page 7-89.Replace the left handlebar switch. 7. Check the headlight relay. Refer to “CHECKING THE RELAYS” on page 7-96.Replace the headlight relay.
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.
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 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
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 left turn signal light 63.Front right turn signal light 64.Rear right turn signal light 65.Rear left turn signal light 72.Front brake light switch 75.Tail/brake light 77.Rear brake light switch 81.Ignition fuse 82.Signaling system fuse 83.Parking lighting fuse
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, parking lighting, 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 entire signaling system wiring. Refer to “CIRCUIT DIAGRAM” on page 7-19.Properly connect or repair the signaling system wiring. Check the condition of each of the signaling system’s circuits. Refer to “Checking the signaling system”. 1. Check the horn switch. Refer to “CHECKING THE SWITCHES” on page 7-89.Replace the left handlebar switch. 2. Check the horn. Refer to “CHECKING THE HORN” on page 7-102.Replace the horn.
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 brake light switch. 2. Check the rear brake light switch. Refer to “CHECKING THE SWITCHES” on page 7-89.Replace the rear brake light switch. 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 turn signal light bulbs and sockets. Refer to “CHECKING THE BULBS AND BULB SOCKETS” on page 7-92.Replace the turn signal light bulb, socket or both. 2. Check the turn signal switch. Refer to “CHECKING THE SWITCHES” on page 7-89.Replace the left handlebar switch. 3. Check the hazard switch. Refer to “CHECKING THE SWITCHES” on page 7-89.Replace the left handlebar switch. 4. Check the turn signal/hazard relay. Refer to “CHECKING THE TURN SIGNAL/HAZARD RELAY” on page 7-97.Replace the turn signal/hazard relay.
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. 2. 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 fuel sender. Refer to “CHECKING THE FUEL SENDER” on page 7-103.Replace the fuel pump assembly. 2. 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 speed sensor. Refer to “CHECKING THE SPEED SENSOR” on page 7-103.Replace the speed sensor. 2. Check the entire signaling system wiring. Refer to “CIRCUIT DIAGRAM” on page 7-19.Properly connect or repair the signaling system wiring. Replace the meter assembly.
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 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