Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSSUBARU2014FORESTER 2.5I, ENG CD FB25BA, STANDARD TRANSREPAIR AND DIAGNOSISHEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHVAC SYSTEM AUTO A/C (DIAGNOSTICS)BASIC DIAGNOSTIC PROCEDUREPROCEDURE

2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard Trans

Basic Diagnostic Procedure: Procedure

2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Procedure

NOTE: When the sunload sensor check is performed indoors or in the shade, it could be diagnosed as having an open circuit of the sensor. Always perform the check in direct sunlight.

Step	Check	Yes	No
1 START INSPECTIONS. Prepare a tool. < Ref. to PREPARATION TOOL , General Description. > Perform the pre-inspection. < Ref. to INSPECTION , General Description. >	Is a malfunction found in pre-inspection?	Solve the malfunction found in pre-inspection, and go to the next inspection procedure. Go to step 2 .	Go to step 2 .
2 PREPARE SUBARU SELECT MONITOR. Prepare the Subaru Select Monitor.	Is the Subaru Select Monitor prepared?	Go to step 3 .	Go to step 4 .
3 CHECK DTC. Leave the vehicle in a troubled condition for one minute or more. Read the DTC using Subaru Select Monitor. NOTE: If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. < Ref. to COMMUNICATION FOR INITIALIZING IMPOSSIBLE , Diagnostic Procedure for Subaru Select Monitor Communication. > Record the freeze frame data that is recorded with DTC.	Is DTC displayed?	< Ref. to LIST , List of Diagnostic Trouble Code (DTC). >	Refer to DIAGNOSTICS WITH PHENOMENON . < Ref. to INSPECTION , Diagnostics with Phenomenon. >
4 A/C CONTROL PANEL SELF-DIAGNOSIS. Leave the vehicle in a troubled condition for one minute or more. Perform the self-diagnosis of A/C control panel. < Ref. to OPERATION , Diagnostic Chart for Self-Diagnosis. >	Is a malfunction detected?	Perform the diagnosis according to the self-diagnosis procedure.	Refer to DIAGNOSTICS WITH PHENOMENON . < Ref. to INSPECTION , Diagnostics with Phenomenon. >

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.