FUEL INJECTION SYSTEM
8-64
Fault code No. 22 Symptom Intake air temperature sensor: open or short circuit de-
tected.
Diagnostic code No. 05 Intake air temperature sensor
Order Item/components and probable
cause
Check or maintenance job Reinstatement
method
1 Installed condition of intake air tem-
perature sensor
Check for looseness or pinching. Turning the
main switch to
“ON”.
2 Connections
• Intake air temperature sensor cou-
pler
• Wire harness ECU coupler
• Check the coupler for any pins
that may be pulled out.
• Check the locking condition of
the coupler.
• If there is a malfunction, repair it
and connect the coupler se-
curely.
3 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.
(black/blue–black/blue)
(brown/white–brown/white)
4 Defective intake air temperature sen-
sor.
• Execute the diagnostic mode.
(Code No.05)
• Replace if defective.
Refer to “CHECKING THE IN-
TAKE AIR TEMPERATURE
SENSOR” on page 8-169.
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