Yamaha TMAX XP530E-A 2017 Service Manual page 465

Fault code No.
Item
5 Defective intake air tempera-
ture sensor.
6 Malfunction in ECU.
7 Delete the fault code and check
that the engine trouble warning
light goes off.
Fault code No. P0117, P0118
TIP
Perform this procedure when the engine is cold.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Tool display
Procedure
Probable cause of malfunc-
Item
tion and check
1 Connection of coolant tempera-
ture sensor 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).
P0112, P0113
[P0112] Intake air temperature sensor: ground short circuit
detected.
[P0113] Intake air temperature sensor: open or power short circuit
detected.
Execute the diagnostic mode.
(Code No. 05)
When engine is cold:
Displayed temperature is close
to the ambient temperature.
The displayed temperature is
not close to the ambient temper-
ature  Check the intake air
temperature sensor.
Replace if defective.
Refer to "CHECKING THE
INTAKE AIR TEMPERATURE
SENSOR" on page 8-249.
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-230.
Confirm that the fault code has
a condition of "Recovered"
using the Yamaha diagnostic
tool, and then delete the fault
code.
P0117, P0118
[P0117] Coolant temperature sensor: ground short circuit detected.
[P0118] Coolant temperature sensor: open or power short circuit
detected.
Able to start engine
Able to drive vehicle
06
When engine is cold: Displays temperature closer to air temperature.
When engine is hot: Displays current coolant temperature.
Compare the actually measured coolant temperature with the tool display
value.
Maintenance job
Improperly connected  Con-
nect the coupler securely or
replace the wire harness.
8-74
FUEL INJECTION SYSTEM
Push the ON/start switch, and
then check the condition of the
fault code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered"  Go
to item 7 and finish the service.
Condition is "Detected"  Go to
item 6.
Service is finished.
Confirmation of service com-
Push the ON/start switch, and
then check the condition of the
fault code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered"  Go
to item 7 and finish the service.
Condition is "Detected"  Go to
item 2.
pletion