Troubleshooting Method - Yamaha 2012 TMAX XP500A Service Manual

EAS27402

TROUBLESHOOTING METHOD

The engine operation is not normal and the
engine trouble warning light comes on.
1. Check:
• Fault code number
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Check the fault code number displayed on
the meter.
b. Identify the faulty system with the fault code
number.
c. Identify the probable cause of the malfunc-
tion.
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2. Check and repair the probable cause of the
malfunction.
Fault code No.
Check and repair.
Refer to "TROUBLE-
SHOOTING
DETAILS" on page 8-
37.
Monitor the operation
of the sensors and
actuators in the diag-
nostic mode. Refer to
"TROUBLESHOOT-
ING DETAILS" on
page 8-37.
3. Perform the reinstatement action for the
fuel injection system.
Refer to "Reinstatement method" in the
appropriate table in "TROUBLESHOOTING
DETAILS" on page 8-37.
4. Set the main switch to "OFF", then to "ON"
again, and then check that no fault code
number is displayed.
TIP
If another fault code number is displayed,
repeat steps (1) to (4) until no fault code num-
ber is displayed.
5. Erase the malfunction history in the diag-
nostic mode. Refer to "TROUBLESHOOT-
ING DETAILS" on page 8-37.
TIP
Setting the main switch to "OFF" will not erase
the malfunction history.
No fault code No.
Check and repair.
FUEL INJECTION SYSTEM
The engine operation is not normal, but the
engine trouble warning light does not come
on.
1. Check the operation of the following sen-
sors and actuators in the diagnostic mode.
Refer to "TROUBLESHOOTING DETAILS"
on page 8-37.
d:01: Throttle position sensor (throttle angle)
d:03: Intake air pressure sensor
d:05: Intake air temperature sensor
d:06: Coolant temperature sensor
d:07: Front wheel sensor
d:08: Lean angle sensor
d:30: Ignition coil
d:36: Injector #1
d:37: Injector #2
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.
8-33