DTC P0111: Intake Air Temperature Sensor 1 Circuit Range/Performance Bank 1: Notes
DTC detecting condition:
Detected when two consecutive driving cycles with fault occur.
Trouble symptom:
- Improper idling
- Poor driving performance
NOTE:
After the faulty parts are repaired or replaced, perform the final check in Basic Diagnostic Procedure. Ref. to ENGINE (DIAGNOSTICS) (H4DO)>Basic Diagnostic Procedure>PROCEDURE
.
- CHECK ENGINE COOLANT TEMPERATURE
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- Start the engine and warm up completely.
- Using the Subaru Select Monitor or a general scan tool, read the value of [Coolant Temp.].
Data Monitor
NOTE:- SUBARU SELECT MONITOR
For detailed operation procedures, refer to "Data Monitor". Ref. to ENGINE (DIAGNOSTICS) (H4DO)>DATA MONITOR .
- General scan tool
For detailed operation procedures, refer to the general scan tool operation manual.
- SUBARU SELECT MONITOR
Is the value of [Coolant Temp.] 75°C (167°F) or more?
Yes: Replace the mass air flow and intake air temperature sensor. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>MASS AIR FLOW AND INTAKE AIR TEMPERATURE SENSOR .
No: Check for DTC P0125. Ref. to ENGINE (DIAGNOSTICS) (H4DO)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0125 INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL .