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FUEL INJECTION SYSTEM
4 Installed condition of sensor. Check that the sensor is in-
stalled securely and that
there are no pinched
leads.Check that the ECU is
installed securely and that
there are no pinched leads.
Incorrect installation → Re-
install or repair.
Set the switch on the
FI diagnostic tool sub-
wire harness to "ON",
and then check the
fault code display.
Fault code number
is not displayed →
Service is finished.
Fault code number
is displayed → Re-
fer to item 5.
5 Defective intake temperature sensor. Execute the diagnostic
mode (diagnostic code No.
D05).
Cold engine: Displayed
temperature is close to the
ambient temperature.
Displayed value is incorrect
→ Replace.
Set the switch on the
FI diagnostic tool sub-
wire harness to "ON",
and then check the
fault code display.
Fault code number
is not displayed →
Service is finished.
Fault code number
is displayed → Re-
fer to item 6.
6 Malfunction in ECU. Replace the ECU.
Fault code No. 22
Symptom Intake air temperature sensor signal is not received properly.
Fail-safe system Able to start
Able to drive
Diagnostic code No. D05
FI diagnostic tool dis-
play
-20–100°C
Cold engine: Displayed temperature is close to the ambient temperature.
Warm engine: Displayed temperature is approximately 20 °C higher than
the ambient temperature.
Checking method Check the temperature in the intake manifold.
Item Item/components and probable cause Check or maintenance job Checking method