Yamaha 2012 TMAX XP500A Service Manual page 393

8. Check the storage box light switch.
Refer to "CHECKING THE
SWITCHES" on page 8-123.
OK↓
9. Check the entire lighting system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-15.
OK↓
Replace the ECU (engine control unit)
or meter assembly.
NG→
Replace the storage box light switch.
NG→
Properly connect or repair the lighting
system's wiring.
8-18
LIGHTING SYSTEM