Yamaha FZS6W Service Manual page 326

3. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
OK↓
This circuit is OK.
The speedometer fails to operate.
1. Check the speed sensor.
Refer to "CHECKING THE SPEED
SENSOR" on page 8-78.
OK↓
2. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
OK↓
Replace the meter assembly.
NOTE:
Repair or replace if there is an open or short circuit.
• Between ECU coupler and meter assembly.
(yellow/blue-yellow/blue)
SIGNALING SYSTEM
NG→
Properly connect or repair the signal-
ing system's wiring.
NG→
Replace the speed sensor.
NG→
Properly connect or repair the signal-
ing system's wiring.
8-25