Yamaha TMAX XP500F 2015 Service Manual page 381

2. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
OK ↓
Replace the ECU or meter assembly.
The tachometer fails to operate.
1. Check the crankshaft position sen-
sor.
Refer to "CHECKING THE CRANK-
SHAFT POSITION SENSOR" on
page 8-100.
OK ↓
2. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
OK ↓
Replace the ECU or meter assembly.
The ambient temperature meter fails to operate.
1. Check the air temperature sensor.
Refer to "CHECKING THE INTAKE
AIR TEMPERATURE SENSOR" on
page 8-105.
OK ↓
2. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
OK ↓
Replace the ECU or meter assembly.
The V-belt replacement indicator fails to come on.
1. Check the entire signaling system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
OK ↓
Replace the meter assembly.
SIGNALING SYSTEM
NG →
Properly connect or replace the wire har-
ness.
NG →
Replace the stator coil.
NG →
Properly connect or replace the wire har-
ness.
NG →
Replace the intake air temperature sensor.
NG →
Properly connect or replace the wire har-
ness.
NG →
Properly connect or replace the wire har-
ness.
8-24