Yamaha Wolverine YX70EPNG Service Manual page 400

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 parking brake indicator light fails to come on.
1. Check the parking brake 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 meter assembly or ECU.
The coolant temperature warning light fails to come on.
1. Check the coolant temperature sen-
sor.
Refer to "CHECKING THE COOL-
ANT TEMPERATURE SENSOR"
on page 9-106.
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 fuel meter fails to come on.
1. Check the fuel sender.
Refer to "CHECKING THE FUEL
SENDER" on page 9-103.
OK ↓
NG →
Properly connect or replace the wire har-
ness.
NG →
Replace the parking brake switch.
NG →
Properly connect or replace the wire har-
ness.
NG →
Replace the coolant temperature sensor.
NG →
Properly connect or replace the wire har-
ness.
NG →
Replace the fuel pump assembly.
9-25
SIGNALING SYSTEM