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Basic Diagnostic Procedure: Procedure

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE CHART

Step Check Yes No
1 START INSPECTIONS. 
  1. Perform the pre-inspection. < Ref. to INSPECTION , General Description. >
  2. Perform the self-diagnosis. < Ref. to OPERATION , Diagnostic Chart for Self-Diagnosis. >
 Does the self-diagnosis operate? Go to step 2  . < Ref. to A/C OR SELF-DIAGNOSIS SYSTEMS DO NOT OPERATE , Diagnostics for A/C System Malfunction. >
2 IDENTIFY MALFUNCTION PART  .
Identify the malfunction part with self-diagnosis.		 Can the malfunction part be confirmed? Repair the malfunctioning part in accordance with each diagnostic chart. Go to step 3  .
3 CHECK COMPARTMENT TEMPERATURE. 
  1. Turn the A/C switch to ON.
  2. Turn the temperature control dial at maximum cool position.
  3. Check the compartment temperature change.
 Does the compartment temperature change? Go to step 4  . < Ref. to PROCEDURE , Refrigerant Pressure with Manifold Gauge Set. >
4 CHECK A/C SYSTEM RESPONSE. 
Change the temperature setting, and check the response of A/C system.		 Does the A/C system respond quickly? A/C system is normal. < Ref. to COMPARTMENT TEMPERATURE DOES NOT CHANGE, OR A/C SYSTEM DOES NOT RESPOND PROMPTLY , Diagnostics for A/C System Malfunction. >
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