Yamaha FZS6W 07 User Manual

SIGNALING SYSTEM
8-20
1. Main switch
6. Main fuse
9. Battery
10.Starting circuit cut-off relay
12.Neutral switch
13.Fuel pump
21.ECU (engine control unit)
32.Fuel level warning light
33.Oil level warning light
34.Neutral indicator light
35.Tachometer
36.Multi-function meter
40.Left turn signal indicator light
41.Right turn signal indicator light
42.Meter light
43.Oil level switch
45.Front brake light switch
51.Signal fuse
53.Ignition fuse
54.Tail fuse
55.Turn signal relay
56.Rear brake light switch...

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 8-67. Replace the...

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 system’s 
wiring.
Refer to CIRCUIT DIAGRAM on 
page 8-19. 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-
66. Replace the tail/brake light...

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 8-63. Replace the left handlebar switch.
4. Check the turn signal/hazard relay. Refer to CHECKING THE 
RELAYS on page 8-71. The turn signal relay is faulty and must 
be replaced.
5. Check the entire signaling system’s  wiring.
Refer to CIRCUIT DIAGRAM on 
page 8-19. Properly connect or repair the signal-
ing system’s...

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 system’s 
wiring.
Refer to CIRCUIT DIAGRAM on 
page 8-19. 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 8-67. Replace the oil level warning light 
bulb, socket or both.
2. Check the oil...

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 ECU coupler and meter assembly.
(yellow/blue-yellow/blue)
3. Check the entire signaling system’s 
wiring.
Refer to CIRCUIT DIAGRAM on 
page 8-19. Properly connect or repair the signal-
ing system’s wiring.
This circuit is OK.
1. Check the speed sensor. Refer to CHECKING THE SPEED 
SENSOR on page 8-78. Replace the speed sensor.
2. Check the entire...

SIGNALING SYSTEM
8-26 

COOLING SYSTEM
8-27
EAS27300
COOLING SYSTEM
EAS27310
CIRCUIT DIAGRAM 

COOLING SYSTEM
8-28
1. Main switch
6. Main fuse
9. Battery
20.Coolant temperature sensor
21.ECU (engine control unit)
36.Multi-function meter
48.Radiator fan motor fuse
49.Radiator fan motor relay
50.Radiator fan motor
53.Ignition fuse 

COOLING SYSTEM
8-29
EAS27320
TROUBLESHOOTING
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 ↓
NG→
OK ↓
NG→
OK ↓
NG→
OK ↓
1. Check the fuses.
(Main, ignition and radiator fan 
motor)
Refer to CHECKING THE FUSES 
on page 8-67. Replace the fuse(s).
2. Check the battery. Refer to CHECKING AND 
CHARGING THE BATTERY on 
page 8-68.  Clean the battery terminals.
 Recharge or replace the battery.
3....