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Yamaha MT-09SP 2021 - P0202; Troubleshooting

Yamaha MT-09SP 2021
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9-141
P0202
EAS20575
P0202
EAS33055
TROUBLESHOOTING
Item
Injector #2: malfunction in injector #2.
Fail-safe system
• Able to start engine (depending on the number of faulty cylinders)
• Able to drive vehicle (depending on the number of faulty cylinders)
Procedure
1. Connection of injector #2 coupler.
• Check the locking condition of the coupler.
• Disconnect the coupler and check the pins (bent or broken terminals and locking condition of the
pins).
2. Defective injector #2.
• Measure the injector resistance.
Refer to “CHECKING THE FUEL INJECTORS” on page 8-64.
3. Connection of ECU coupler.
• Check the locking condition of the coupler.
• Disconnect the coupler and check the pins (bent or broken terminals and locking condition of the
pins).
Is the coupler condition normal?
YES
→ Go to step 2.
NO
a. Connect the coupler securely or replace the wire harness.
b. Execute the diagnostic mode. (Code 37)
Is it hear operating sound?
YES
→ Go to step 6.
NO
→ Go to step 2.
Is check result OK?
YES
→ Go to step 3.
NO
a. Replace the injector #2.
Refer to “THROTTLE BODIES” on page 7-5.
b. Execute the diagnostic mode. (Code 37)
Is it hear operating sound?
YES
→ Go to step 6.
NO
→ Go to step 3.

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