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Home >> Subaru >> 2013 >> Forester X Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Controls (Diagnostics) (H4DOTC)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0111 Intake Air Temperature Sensor Range/Performance Problem >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different variant/trim than selected.
DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK ENGINE COOLANT TEMPERATURE. 
  1. Start the engine and warm up completely.
  2. Using the Subaru Select Monitor or a general scan tool, measure the value in «Coolant Temp.».
NOTE:
  • Subaru Select Monitor

    For detailed operation procedures, refer to "READ CURRENT DATA FOR ENGINE". < Refer to SUBARU SELECT MONITOR . >

  • General scan tool

    For detailed operation procedures, refer to the general scan tool operation manual.

Is the value of «Coolant Temp.» 75°C (167°F) or more? Replace the mass air flow and intake air temperature sensor. < Refer to MASS AIR FLOW AND INTAKE AIR TEMPERATURE SENSOR . > Check DTC P0125 using "List of Diagnostic Trouble Code (DTC)". < Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . >