Troubleshooting - Yamaha MT-09 2021 Service Manual

EAS32888

TROUBLESHOOTING

When the main switch is turned to "ON", the immobilizer system indicator light does not come on nor
flashes.
1. Check the fuses.
(Main, ignition 1, ignition 2, backup
1, and backup 2)
Refer to "CHECKING THE FUS-
ES" on page 8-55.
OK↓
2. Check the battery.
Refer to "CHECKING AND
CHARGING THE BATTERY" on
page 8-56.
OK↓
3. Check the main switch.
Refer to "CHECKING THE
SWITCHES" on page 8-53.
OK↓
4. Check the entire immobilizer sys-
tem wiring.
Refer to "CIRCUIT DIAGRAM" on
page 9-18.
OK↓
• Check the condition of the each im-
mobilizer system circuits.
• Refer to "SELF-DIAGNOSTIC
FUNCTION TABLE (FOR IMMOBI-
LIZER SYSTEM)" on page 9-71.
IMMOBILIZER SYSTEM
NG→ Replace the fuse(s).
• Clean the battery terminals.
NG→
• Recharge or replace the battery.
NG→ Replace the main switch/immobilizer unit.
Properly connect or repair the immobilizer
NG→
system wiring.
9-26