Yamaha TMAX 2020, Service Manual

Page: 491 / 688

9-17
FUEL INJECTION SYSTEM
EAS33147
[A] THE MIL COMES ON/FLASHES AND ENGINE OPERATION IS NOT NORMAL
1. Check the DTC of “malfunction” using the YDT.
2. Delete the DTC using the YDT. (Only for *1)
3. Check and repair the malfunction according to applicable DTC troubleshooting.
4. Push the OFF/LOCK switch, and then push the ON/start switch, and then check the DTC of
“malfunction” is not displayed.
TIP
• If another DTC is displayed, repeat steps (1) to (4) until no DTC is displayed.
• Push the OFF/LOCK switch will not erase the malfunction history.
EAS33148
[B] THE MIL DOES NOT COME ON, BUT THE ENGINE OPERATION IS NOT NORMAL
1. Monitor the operation of these sensors and actuators by using the YDT in the diagnostic mode.
Refer to “DIAGNOSTIC CODE: SENSOR OPERATION TABLE” on page 9-58 and “DIAGNOSTIC
CODE: ACTUATOR OPERATION TABLE” on page 9-62.
If a malfunction is detected in the sensors or actuators, repair or replace all faulty parts.
If no malfunction is detected in the sensors and actuators, check and repair the inner parts of the
engine.
D01: Throttle position sensor signal 1 (throttle angle)
D13: Throttle position sensor signal 2 (throttle angle)
D14: Accelerator position sensor signal 1 (throttle angle)
D15: Accelerator position sensor signal 2 (throttle angle)
D30: Ignition coil
D36: Injector #1
D37: Injector #2