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FI
1
2
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FUEL INJECTION SYSTEM
Intake air temperature sensor open or short circuit is detected.
1
2
3
4
Fault code No.
22 Symptom
Used diagnostic code No. D05 (intake air temperature sensor)
Order
Inspection operation item and
probable cause
Operation item and countermeasure
Reinstatement
method
Reinstated by turn-
ing the main switch
ON.
Installed condition of sensor
Connected condition of con-
nector
Inspect the coupler for any
pins that may have pulled
out.
Check the locking condition
of the coupler.
Open or short circuit in wireing
harness.
Defective intake air tempera-
ture sensor.
Check the installed area for looseness or
pinching.
If there is a malfunction, repair it and connect
it securely.
Intake air temperature sensor coupler
Main wiring harness ECU coupler
Repair or replace if there is an open or short
circuit.
Between sensor coupler and ECU coupler
black/blue - black/blue
brown/white - brown/white
Execute the diagnostic mode (code No. D05)
Replace the throttle body.
TIP
Do not remove the sensor module.
1. Connect the digital circuit tester to the in-
take air temperature sensor terminal as
shown.
Positive tester probe
JJ
JJ
J brown/white
11
11
1
Negative tester probe
JJ
JJ
J black/blue
22
22
2
2. Measure the intake air temperature sensor
resistance.
Intake air temperature sensor resis-
tance
6k
ΩΩ
ΩΩ
Ω at 20°C (68°F)
w
88
88
8 Handle the intake air temperature sen-
sor with special care.
88
88
8 Never subject the intake air temperature
sensor to strong shocks. If the intake air
temperature sensor is dropped, replace
it.
3. Is the intake air temperature sensor OK?
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