Yamaha Fz6 N Service Manual
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ELECTRIC STARTING SYSTEM 8-8 EAS27190 TROUBLESHOOTING The starter motor fails to turn. NOTE: Before troubleshooting, remove the following part(s): 1.Seat 2.Front cowling inner panel 3.Fuel tank 4.Left side coverNG→ OK ↓ NG→ OK ↓ NG→ OK ↓ NG→ OK ↓ NG→ OK ↓ NG→ OK ↓ NG→ OK ↓ 1. Check the fuses. (Main and ignition) Refer to CHECKING THE FUSES on page 8-113. Replace the fuse(s). 2. Check the battery. Refer to CHECKING AND CHARGING THE BATTERY on page 8-114. Clean the battery terminals. Recharge or replace the battery. 3. Check the starter motor. Refer to CHECKING THE STARTER MOTOR on page 5-38. Repair or replace the starter motor. 4. Check the starting circuit cut-off relay. Refer to CHECKING THE RELAYS on page 8-117. Replace the starting circuit cut-off relay. 5. Check the starter relay. Refer to CHECKING THE RELAYS on page 8-117. Replace the starter relay. 6. Check the main switch. Refer to CHECKING THE SWITCHES on page 8-109. Replace the main switch. 7. Check the engine stop switch. Refer to CHECKING THE SWITCHES on page 8-109. Replace the right handlebar switch.
ELECTRIC STARTING SYSTEM 8-9 NG→ OK ↓ NG→ OK ↓ NG→ OK ↓ NG→ OK ↓ NG→ OK ↓ 8. Check the neutral switch. Refer to CHECKING THE SWITCHES on page 8-109. Replace the neutral switch. 9. Check the sidestand switch. Refer to CHECKING THE SWITCHES on page 8-109. Replace the sidestand switch. 10. Check the clutch switch. Refer to CHECKING THE SWITCHES on page 8-109. Replace the clutch switch. 11. Check the start switch. Refer to CHECKING THE SWITCHES on page 8-109. Replace the right handlebar switch. 12. Check the entire starting system’s wiring. Refer to CIRCUIT DIAGRAM on page 8-1. Properly connect or repair the starting system’s wiring. The starting system circuit is OK.
CHARGING SYSTEM 8-11 EAS27200 CHARGING SYSTEM EAS27210 CIRCUIT DIAGRAM P B B 7 BB 10 RR/W L/W 9 R85 R L/W R R/W R R 2 W W W WW W 4 R WW WW WW R Br/L R/G BB Br/L Br/RB R/W 3 R Br/L Y/LG/L R/W R B W W W B Y/L Y/LLg R/W Br/R Br/R ON OFF1 G/L R/G
CHARGING SYSTEM 8-12 2. AC magneto 3. Rectifier/regulator 7. Main fuse 10.Battery
CHARGING SYSTEM 8-13 EAS27230 TROUBLESHOOTING The battery is not being charged. NOTE: Before troubleshooting, remove the following part(s): 1.Seat 2.Front cowling inner panel 3.Fuel tankNG→ OK ↓ NG→ OK ↓ NG→ OK ↓ NG→ OK ↓ NG→ OK ↓ 1. Check the fuse. (Main) Refer to CHECKING THE FUSES on page 8-113. Replace the fuse. 2. Check the battery. Refer to CHECKING AND CHARGING THE BATTERY on page 8-114. Clean the battery terminals. Recharge or replace the battery. 3. Check the stator coil. Refer to CHECKING THE STA- TOR COIL on page 8-124. Replace the stator coil assembly. 4. Check the rectifier/regulator. Refer to CHECKING THE REC- TIFIER/REGULATOR on page 8- 124. Replace the rectifier/regulator. 5. Check the entire charging sys- tem’s wiring. Refer to CIRCUIT DIAGRAM on page 8-1. Properly connect or repair the charg- ing system’s wiring. Replace the rectifier/regulator.
LIGHTING SYSTEM 8-15 EAS27240 LIGHTING SYSTEM EAS27250 CIRCUIT DIAGRAM ChB P G/L Y/L R/GLgB/W G/L Y/L R/GLgB/W R/B R/LG/BR/LG/BR/LG/B R/B R/L G/B R/B23R/L R/L R/LR/BR/L24 25 26 27 R/WBr/RR/W Br/R 15L Y B/L D G/W G/WD Br/W Br/W D P/W P/W D B/L B/L B/LBr/W LB/LP/W 16 2021 B/LG/WB/L B/L L A B/W A Y/L D YY C LL C R/L C G/B C R/B B/L 22 R/L B/L G/WBr/WYP/WB/L G/WBr/WYP/WB/L 18 L L P/W P/W R/B R/L G/B L B/Y B/LY/GL B/R Y/B B/L W/Y W/Y B/L B/L L G/Y R/B R/L G/B L B/L W/Y L B/L 29 30 31 31 Y/L 19Gy B Gy B/L 28 R/B 17B B L W R/W P/BGy/GB/L R/B W L/Y B/L Y/L R/L Y/G Y/G L/Y R/W Gy Gy Y Y Br/W Br/W G/W G/W R/WL/R B/YBB/GG/WW Ch Dg B BBr/R R/B R/B G/B G/B L/W P/B P/B Gy/G Gy/G L O/B O/B Gy/B Gy/B B/W R/W B/W YW/YG/WGy/GB/LB/RB/YL/Y Y/LP/BBG/Y R/BGy/B Br/W Y/GP/WLB/W R/WR/LL/WGyBr/RBY/BG/BO/B Ch32 33 34 36 37 37 38 39 40 35 B L/R B W W B R/W R/W B G/W G/W A L/RBL/RB B R/GR/G B/W Y/L B B/GB B/Y B DgAG/LG/L A Dg B Ch B Lg Lg B/Y 50 53 OFF RUN 65 FREE PUSH R/Y 55 B B 7 BB10G/YL/W R/WR/BB Br G/YW/L R/WR/BBBr R R/WL/W 9 66R L/G L/G R/W R/W 57 B Br/L 52 Y L B HI LO W/L W/L Y/B Br BrOFF ON 8 L N R 51 YL BL L/W Br/L Br/L OFFON ON Y Y B Dg Y L/B Br/WR/Y Ch L/Y G BB/YBrR/YGY/B R/Y R/Y Dg Y L/BBr/WR/Y ChB/RBB/YBr 13 B BBrYBr G/Y 5B R R L/W L/W R/B B72B/Y B/Y 12B BL/GB 59 60 61 62 63 64 58 B/R B/R11 R/Y R/Y54 Ch B 73 R Y Y L/BDg B Br/WBr/G Br/GBr/GBr/W Br/WCh Ch Dg Dg Ch Dg BG/W R/W B R/L G G B B L/YB/Y Dg B W Br B R/W Sb Sb R/L R/L 41 56 L/R R/L W/L R/B L/W R Lg B/Y Sb B/R L/GR/WL/YL/W Br/R WB R/B L/Y SbSb R/W B 14 BL W W G/W G/W G/L Lg Lg 70Ch B Ch B 68 67 69 67 71 B B B B L/R Dg B Dg B L/R BB BB B/Y B B/G B BB/G B/Y Dg Ch B R R R Br/BBr/B 2W W W WW W 4R WW WW WW 42 43 45 44 46R Br/LBB1 47 R/G BB3 BB4 BB BB Br/L BB BB B2 B1 Br/BLG/Y R/W BB B2 BB2 BB3 BB1 BB4Br/RB 48 R/W 3 B L B L L L B G/Y R/W R Br/L BBB R/GY/LG/L R/W R B W W W B 6 BB2 B2Y/L B B2R/GY/LLgR/WBr/RBr/R ON OFF1 49 G/L R/G R/G R/WL/RYBG-G/WWChDg B/L WIRE SUB LEAD2D MAIN HARNESS WIRE SUB LEAD1 C MAIN HARNESS CORD HEAD LIGHT2 B MAIN HARNESS CORD HEAD LIGHT1A MAIN HARNESS OFF Lg WB/WG/WY/L Dg G/L R/WChR/GB/Y Lg W B/WG/WY/L Dg G/LR/WChR/GY
LIGHTING SYSTEM 8-16 1. Main switch 7. Main fuse 10.Battery 22.ECU (engine control unit) 38.High beam indicator light 51.Headlight fuse 53.Tail fuse 56.License plate light 57.Tail/brake light 60.Pass switch 61.Dimmer switch 66.Headlight relay 67.Auxiliary light 68.Headlight (high beam) 69.Headlight (low beam)
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): 1.Seat 2.Front cowling inner panel 3.Fuel tank 4.Side cover 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 8-112. Replace the bulb(s) and bulb socket(s). 2. Check the fuses. (Main, headlight and tail) Refer to CHECKING THE FUSES on page 8-113. Replace the fuse(s). 3. Check the battery. Refer to CHECKING AND CHARGING THE BATTERY on page 8-114. Clean the battery terminals. Recharge or replace the battery. 4. Check the main switch. Refer to CHECKING THE SWITCHES on page 8-109. Replace the main switch. 5. Check the dimmer switch. Refer to CHECKING THE SWITCHES on page 8-109. The dimmer switch is faulty. Replace the left handlebar switch. 6. Check the pass switch. Refer to CHECKING THE SWITCHES on page 8-109. The pass switch is faulty. Replace the left handlebar switch. 7. Check the headlight relay. Refer to CHECKING THE RELAYS on page 8-117. Replace the headlight relay.