Yamaha 2009 XP500Y TMAX Service Manual page 301

9. Check the engine stop switch.
Refer to "CHECKING THE
SWITCHES" on page 8-61.
OK ↓
10.Check the sidestand switch.
Refer to "CHECKING THE
SWITCHES" on page 8-61.
OK ↓
11.Check the lean angle sensor.
Refer to "CHECKING THE LEAN
ANGLE SENSOR" on page 8-73.
OK ↓
12.Check the entire ignition system
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-1.
OK ↓
Replace the ECU (engine control unit).
NG →
The engine stop switch is faulty. Replace
the right handlebar switch.
NG →
Replace the sidestand switch.
NG →
Replace the lean angle sensor.
NG →
Properly connect or repair the ignition sys-
tem wiring.
8-4
IGNITION SYSTEM