Yamaha MBK X-MAX 300 2017, Service Manual

Page: 328 / 462

SIGNALING SYSTEM
8-23
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
The coolant temperature meter fails to operate.
NG
→
OK
↓
NG
→
OK
↓
The speedometer fails to operate.
NG
→
OK
↓
3. Check the hazard switch.
Refer to “CHECKING THE
SWITCHES” on page 8-127.
The hazard switch is faulty. Replace the
right handlebar switch.
4. Check the turn signal/hazard relay.
Refer to “CHECKING THE TURN
SIGNAL/HAZARD RELAY” on page
8-130.
Replace the turn signal/hazard relay.
5. Check the entire signaling system
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 8-19. Properly connect or replace the wire har-
ness.
Replace the meter assembly.
1. Check the coolant temperature sen-
sor.
Refer to “CHECKING THE COOL-
ANT TEMPERATURE SENSOR”
on page 8-136.
Replace the coolant temperature sensor.
2. Check the entire signaling system
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 8-19. Properly connect or replace the wire har-
ness.
Replace the meter assembly or ECU.
Refer to “REPLACING THE ECU (En-
gine Control Unit)” on page 8-128.
1. Check the front wheel sensor.
Refer to “MAINTENANCE OF THE
FRONT WHEEL SENSOR AND
SENSOR ROTOR” on page 4-30.
Replace the front wheel sensor.