GDI ± Troubleshooting
13A-17
Code No.13 Intake air temperature sensor system Probable cause
Range of check
D After 60 seconds have passed since the engine have started
Set conditions
D Sensor resistance is 0.14 kΩ or less for 4 seconds.
or
D Sensor resistance is 50 kΩ or more for 4 seconds.
D Malfunction of the intake air temperature sensor
D Open circuit or short-circuited harness wire of the
intake air temperature sensor circuit
D Malfunction of the engine-ECU
NG
Repair
NG
Repair
OK
Replace the engine-ECU.
NG
Repair
NG
OK
Check trouble symptom.
OK
Check the following connector: A-71
NG
Check the harness wire between the engine-ECU and the intake
air temperature sensor.
OK
Check trouble symptom.
OK
Measure at the air flow sensor connector A-71.
D Disconnect the connector, and measure at the harness
side.
D Voltage between 6 and earth
(Ignition switch: ON)
OK: 4.5 ± 4.9 V
D Continuity between 5 and earth
OK: Continuity
NG
Check the following connectors: A-36, C-18, C-19
Check the intake air temperature sensor. (Refer to P.13A-102.)
NG
Replace the air flow sensor.
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