DTC P0018 Crankshaft Position - Camshaft Position Correlation (Bank 2): Trouble Symptom

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

Engine stalls.
Improper idling

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode Ref. to OPERATION , Clear Memory Mode, and Inspection Mode Ref. to PROCEDURE , Inspection Mode.

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK CURRENT DATA. Start the engine and let it idle. Measure the AVCS system operating angle and oil flow control solenoid valve duty output using Subaru Select Monitor or general scan tool. NOTE: Subaru Select Monitor For detailed operation procedures, refer to "READ CURRENT DATA FOR ENGINE". Ref. to SUBARU SELECT MONITOR . General scan tool For detailed operation procedures, refer to the general scan tool operation manual.	Is the AVCS system operating angle approx. 0°, and oil flow control solenoid valve duty output 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. Ref. to REPLACEMENT , Engine Oil. Ref. 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 chain (matching of timing mark)