Yamaha TMAX 2020 Service Manual page 575

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).
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 D37)
Is it hear operating sound?
YES
 Go to step 6.
NO
 Go to step 2.
2. Defective injector #2.
• Measure the injector resistance.
Refer to "CHECKING THE FUEL INJECTOR" on page 8-111.
Is check result OK?
YES
 Go to step 3.
NO
a. Replace the injector #2.
Refer to "THROTTLE BODY" on page 7-5.
b. Execute the diagnostic mode. (Code D37)
Is it hear operating sound?
YES
 Go to step 6.
NO
 Go to step 3.
9-101
P0202