Fault code No. 22 Symptom Air temperature sensor: open or short circuit detected.
Diagnostic code No. 05 Air temperature sensor
Orde
r
Item/components and probable
cause Check or maintenance job
Reinstatement
method
1 Connections
? Air temperature sensor coupler
? Main wire harness ECU coupler
? Check the coupler for any pins
that may have pulled out.
? Check the locking condition of
the coupler.
? If there is a malfunction, repair it
and connect the coupler
securely.
Reinstated
automatically if
a normal signal
is received.
2 Open or short circuit in wire harness. ? Repair or replace if there is an
open or short circuit.
? Between air temperature sensor
coupler and ECU coupler.
(Brown/White?Brown/White)
(Black/Blue?Black/Blue)
3 Defective air temperature sensor. ? Execute the diagnostic mode.
(Code No.05)
? Replace if defective.
Refer to "CHECKING THE
INTAKE AIR TEMPERATURE
SENSOR" on page 8-91.