Yamaha WR250R Service Manual page 294

3. Check the entire signaling system
wiring.
Refer to
"CIRCUIT DIAGRAM" on page
.
8-19
OK↓
Replace the meter assembly.
The speedometer fails to operate.
Check the speed sensor.
1.
Refer to
"CHECKING THE SPEED
SENSOR" on page 8-77
OK↓
2. Check the entire signaling system
wiring.
Refer to
"CIRCUIT DIAGRAM" on page
.
8-19
OK↓
Replace the meter assembly.
The fuel level warning light fails to come.
1. Check the fuel sender.
Refer to
"CHECKING THE FUEL
SENDER (FUEL PUMP)" on page 8-78
OK↓
2. Check the entire signaling system
wiring.
Refer to
"CIRCUIT DIAGRAM" on page
.
8-19
OK↓
Replace the meter assembly.
The coolant temperature warning light fails to operate.
Check the coolant temperature sen-
1.
sor.
Refer to
"CHECKING THE COOLANT
TEMPERATURE SENSOR" on page
.
8-78
OK↓
2. Check the entire signaling system
wiring.
Refer to
"CIRCUIT DIAGRAM" on page
.
8-19
OK↓
Replace the meter, ECU or both.
s
'
→
NG
→
NG
.
s
'
→
NG
→
NG
.
s
'
→
NG
→
NG
s
'
→
NG
8-23
SIGNALING SYSTEM
Properly connect or repair the signaling
system s wiring.
'
Replace the speed sensor.
Properly connect or repair the signaling
system s wiring.
'
Replace the fuel pump assembly.
Properly connect or repair the signaling
system s wiring.
'
Replace the coolant temperature sensor.
Properly connect or repair the signaling
system s wiring.
'