Yamaha Wolverine YX70EPNG Service Manual page 401

2. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM (ex-
cept for EPS models)" on page 9-19
and "CIRCUIT DIAGRAM (for EPS
models)" on page 9-21.
OK ↓
Replace the meter assembly.
The speedometer fails to come on.
1. Check the speed sensor.
Refer to "CHECKING THE SPEED
SENSOR" on page 9-104.
OK ↓
2. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM (ex-
cept for EPS models)" on page 9-19
and "CIRCUIT DIAGRAM (for EPS
models)" on page 9-21.
OK ↓
Replace the meter assembly or ECU.
The helmet/seat belt indicator light fails to come on.
1. Check the seat belt switch.
Refer to "CHECKING THE
SWITCHES" on page 9-89.
OK ↓
2. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM (ex-
cept for EPS models)" on page 9-19
and "CIRCUIT DIAGRAM (for EPS
models)" on page 9-21.
OK ↓
Replace the indicator light assembly or
ECU.
The parking brake buzzer fails to sound.
1. Check the parking brake buzzer.
Refer to "CHECKING THE PARK-
ING BRAKE BUZZER" on page
9-105.
OK ↓
NG →
Properly connect or replace the wire har-
ness.
NG →
Replace the speed sensor.
NG →
Properly connect or replace the wire har-
ness.
NG →
Replace the driver seat belt buckle.
NG →
Properly connect or replace the wire har-
ness.
NG →
Replace the parking brake buzzer.
9-26
SIGNALING SYSTEM