Diagnostic Procedure

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK CURRENT DATA. Start the engine and let it idle. Read the values of «VVT Adv. Ang. Amount L» and «OCV Duty L» using the Subaru Select Monitor. NOTE: For detailed operation procedures, refer to "READ CURRENT DATA FOR ENGINE". < Refer to SUBARU SELECT MONITOR . >	Is the value of «VVT Adv. Ang. Amount L» approx. 0 deg, and the value of «OCV Duty L» approx. 10%?	Perform the following procedures, and clean the oil routing. Replace the engine oil and idle the engine for 5 minutes, and then replace the oil filter and engine oil. < Refer to REPLACEMENT , Engine Oil. > < Refer to ENGINE OIL FILTER . >	Check the following item and repair or replace if necessary. Oil pipe (clog) Oil flow control solenoid valve (clog or dirt of oil routing, setting of spring) Intake camshaft (dirt, damage of camshaft) Timing belt (matching of timing mark)