Service manual

FUEL INJECTION SYSTEM
8-56
Fault code No. 22 Symptom
Intake air temperature sensor:open or short circuit
detected.
Diagnostic code No. 05 Intake air temperature sensor
Order
Item/components and probable
cause
Check or maintenance job
Reinstatement
method
1
Connections
• Intake air temperature sensor cou-
pler
• Main wire harness ECU coupler
• Sub-wire harness coupler
• Check the couplers for any pins
that may be pulled out.
• Check the locking condition of
the couplers.
• If there is a malfunction, repair it
and connect the coupler
securely.
Turning the
main switch to
“ON”.
2
Open or short circuit in wire harness. • Repair or replace if there is an
open or short circuit.
• Between intake air temperature
sensor coupler and ECU cou-
pler.
(Brown/White–Brown/White)
(Black/Blue–Black/Blue)
3
Defective intake air temperature sen-
sor.
• Execute the diagnostic mode.
(Code No.05)
• Replace if defective.
Refer to "CHECKING THE
INTAKE AIR TEMPERATURE
SENSOR" on page 8-100.