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Home >> Subaru >> 2011 >> Legacy Premium, Automatic CVT >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Diagnostics (H4DOTC)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0018 Crankshaft Position - Camshaft Position Correlation (Bank2) >> Trouble Symptom

DTC P0018 Crankshaft Position - Camshaft Position Correlation (Bank2): Trouble Symptom

WARNING: This page is about a different variant/trim than selected.
Step Check Yes No
1 CHECK CURRENT DATA. 
  1. Start the engine and let it idle.
  2. 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". Refer 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. Refer to ENGINE OIL REPLACEMENT, Engine Oil. Refer to ENGINE OIL FILTER 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)