Intake Air Temperature Sensor: Open Or Short Circuit Detected - Yamaha R1 Series 2015 Service Manual

Fault code No.
Item
5 Defective coolant temperature
sensor.
6 Malfunction in ECU.
Fault code No. 22
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item Probable cause of
malfunction and check
1 Connection of intake air temper-
ature 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).
2 Connection of wire harness
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).
21
Coolant temperature sensor: open or short circuit detected.
Execute the diagnostic mode.
(Code No. 06)
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 coolant tem-
perature sensor.
Replace if defective.
Refer to "CHECKING THE
COOLANT TEMPERATURE
SENSOR" on page 8-190.
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-180.
22

Intake air temperature sensor: open or short circuit detected.

Able to start engine
Able to drive vehicle
05
Displays the air temperature.
Compare the actually measured air temperature with the meter display
value.
Maintenance job
Improperly connected
nect the coupler securely or
replace the wire harness.
Improperly connected
nect the coupler securely or
replace the wire harness.
8-67
FUEL INJECTION SYSTEM
Turn the main switch to "ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 6.
Confirmation of service com-
Con- Turn the main switch to "ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 2.
Con- Turn the main switch to "ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 3.
pletion