Yamaha Fz6 N Service Manual
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Page 391
LIGHTING SYSTEM 8-18 NG→ OK ↓ 8. Check the entire lighting system’s wiring. Refer to CIRCUIT DIAGRAM on page 8-1. Properly connect or repair the lighting system’s wiring. This circuit is OK.
Page 392
SIGNALING SYSTEM 8-19 EAS27270 SIGNALING SYSTEM EAS27280 CIRCUIT DIAGRAM ChB P G/L Y/L R/GLgB/W G/L Y/L R/G G/R G/RLgB/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 W/Y B/L B/L L G/Y R/B R/L G/B L B/L35 3637 37 Y/L 19Gy B Gy B/L R/B 17B B L...
Page 393
SIGNALING SYSTEM 8-20 1. Main switch 7. Main fuse 10.Battery 11.Starting circuit cut-off relay 13.Neutral switch 14.Fuel pump 22.ECU (engine control unit) 30.ABS ECU 32.Rear wheel sensor 40.Fuel level warning light 41.Oil level warning light 42.Neutral indicator light 43.Tachometer 44.Multi-function meter 46.Coolant temperature warning light 48.Left turn signal indicator light 49.Right turn signal indicator light 50.Meter light 52.Oil level switch 55.Front brake light switch 62.Signal fuse 64.Ignition...
Page 394
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): 1.Seat 2.Front cowling inner panel 3.Fuel tank 4.Side coverNG→ 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, ignition, signaling and tail) Refer to CHECKING THE FUSES on page 8-113. Replace the...
Page 395
SIGNALING SYSTEM 8-22 NG→ OK ↓ The tail/brake light fails to come on. NG → OK ↓ NG→ OK ↓ NG→ OK ↓ NG→ OK ↓ The turn signal light, turn signal indicator light or both fail to blink. NG → OK ↓ NG→ OK ↓ 3. Check the entire signaling sys- tem’s wiring. Refer to CIRCUIT DIAGRAM on page 8-1. Properly connect or repair the signal- ing system’s wiring. This circuit is OK. 1. Check the tail/brake light bulb and socket. Refer to CHECKING THE BULBS AND BULB SOCKETS on page 8-112. Replace the tail/brake light...
Page 396
SIGNALING SYSTEM 8-23 NG→ OK ↓ NG→ OK ↓ NG→ OK ↓ The neutral indicator light fails to come. NG → OK ↓ NG→ OK ↓ NG→ OK ↓ 3. Check the hazard switch. Refer to CHECKING THE SWITCHES on page 8-109. Replace the left handlebar switch. 4. Check the turn signal/hazard relay. Refer to CHECKING THE RELAYS on page 8-117. The turn signal relay is faulty and must be replaced. 5. Check the entire signaling sys- tem’s wiring. Refer to CIRCUIT DIAGRAM on page 8-1. Properly connect or repair the signal- ing...
Page 397
SIGNALING SYSTEM 8-24 NG→ OK ↓ The oil level warning light fails to come. NG → OK ↓ NG→ OK ↓ NG→ OK ↓ The fuel level warning light fails to come. NG → OK ↓ NG→ OK ↓ 4. Check the entire signaling sys- tem’s wiring. Refer to CIRCUIT DIAGRAM on page 8-1. Properly connect or repair the signal- ing system’s wiring. This circuit is OK. 1. Check the oil level warning light bulb and socket. Refer to CHECKING THE LEDS on page 8-113. Replace the oil level warning light bulb, socket or both. 2. Check the oil...
Page 398
SIGNALING SYSTEM 8-25 NG→ OK ↓ The speedometer fails to operate. NG → OK ↓ NG→ OK ↓ NOTE: Repair or replace if there is an open or short circuit. Between rear wheel se nsor and ABS ECU coupler. (yellow/white-yellow/white) (black-black) Between ABS ECU coupler and ECU coupler. (white/yellow-white/yellow) Between ECU coupler and meter assembly. (yellow/blue-yellow/blue) 3. Check the entire signaling sys- tem’s wiring. Refer to CIRCUIT DIAGRAM on page 8-1. Properly connect or repair the signal- ing...
Page 399
SIGNALING SYSTEM 8-26
Page 400
COOLING SYSTEM 8-27 EAS27300 COOLING SYSTEM EAS27310 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...