Yamaha MT-09 2021 Service Manual page 362

8. Check the stop/run/start switch.
Refer to "CHECKING THE
SWITCHES" on page 8-53.
OK↓
9. Check the neutral switch.
Refer to "CHECKING THE
SWITCHES" on page 8-53.
OK↓
10.Check the sidestand switch.
Refer to "CHECKING THE
SWITCHES" on page 8-53.
OK↓
11.Check the relay unit (diode).
Refer to "CHECKING THE RELAY
UNIT (DIODE)" on page 8-58.
OK↓
12.Check the entire ignition system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-1.
OK↓
Replace the ECU.
Refer to "REPLACING THE ECU (En-
gine Control Unit)" on page 8-56.
NG→ Replace the handlebar switch (right).
NG→ Replace the neutral switch.
NG→ Replace the sidestand switch.
NG→ Replace the relay unit.
Properly connect or repair the ignition sys-
NG→
tem's wiring.
8-7
IGNITION SYSTEM