Yamaha 2009 XP500Y TMAX Service Manual page 344

Fault code No. 22
Diagnostic code No.
Order Item/components and probable
cause
1 Installed condition of intake air tem-
perature sensor.
2 Connections
• Intake air temperature sensor cou-
pler
• Wire harness ECU (engine control
unit) coupler
3 Open or short circuit in wire harness.
4 Defective intake air temperature sen-
sor.
Symptom Intake air temperature sensor: open or short circuit de-
tected.
05 Intake air temperature sensor
Check or maintenance job
Check for looseness or pinching. Turning the
• Check the coupler for any pins
• Check the locking condition of
• If there is a malfunction, repair it
• Repair or replace if there is an
• Between intake air temperature
• Execute the diagnostic mode.
• Replace if defective.
8-47
FUEL INJECTION SYSTEM
that may have pulled out.
the coupler.
and connect the coupler se-
curely.
open or short circuit.
sensor coupler and ECU cou-
pler.
(black/blue–black/blue)
(brown/white–brown/white)
(Code No. 05)
Refer to "CHECKING THE IN-
TAKE AIR TEMPERATURE
SENSOR" on page 8-78.
Reinstatement
method
main switch to
"ON".