Yamaha R15 2022 Service Manual page 388

FUEL INJECTION SYSTEM TROUBLESHOOTING
Fault code No. P0112, P0113
Do not remove the throttle body sensor assembly from the throttle body.
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 throttle body sen-
sor assembly.
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 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).
3 Wire harness continuity.
P0112, P0113
[P0112] Intake air temperature sensor: short to ground circuit is de-
tected.
[P0113] Intake air temperature sensor: open or short to power circuit
is detected.
Able to start engine
Able to drive vehicle
05
Displays the intake air temperature.
Compare the actually measured air temperature with the tool display val-
ue.
Maintenance job
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
Open or short circuit → Replace
the wire harness.
8-55
ELEC
Confirmation of service com-
pletion
Turn the main switch to "ON",
and then check the condition of
the fault code using the mal-
function mode of the YDT.
Condition is "Recover" → Go to
item 7 and finish the service.
Condition is "Malfunction" → Go
to item 2.
Turn the main switch to "ON",
and then check the condition of
the fault code using the mal-
function mode of the YDT.
Condition is "Recover" → Go to
item 7 and finish the service.
Condition is "Malfunction" → Go
to item 3.
Turn the main switch to "ON",
and then check the condition of
the fault code using the mal-
function mode of the YDT.
Condition is "Recover" → Go to
item 7 and finish the service.
Condition is "Malfunction" → Go
to item 4.
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