DTC DETECTING CONDITION:
Detected when two consecutive driving cycles with fault occur.
TROUBLE SYMPTOM:
• Engine stalls.
• Improper idling
CAUTION:
After repairing or replacing the defective part, perform the Clear Memory Mode 
and Inspection Mode .
| STEP | CHECK | YES | NO |
|
1) Start the engine and let it idle. 2) Measure the AVCS system operating angle using the Subaru Select Monitor or general scan tool. NOTE: • Subaru Select Monitor For detailed operation procedures, refer to “READ CURRENT DATA FOR ENGINE”. • General scan tool For detailed operation procedures, refer to the general scan tool operation manual. |
Is the AVCS system operating angle approx. 0°? |
|
Check the following item and repair or replace if necessary. • Oil pipe (clog) • Intake 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) |
|
1) Drive (accelerate or decelerate) the vehicle at 80 km/h (50 MPH) or less. NOTE: Drive the vehicle so that duty output of the intake oil flow control solenoid valve increases. 2) Measure the AVCS system operating angle and intake 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”. • General scan tool For detailed operation procedures, refer to the general scan tool operation manual. |
When the intake oil flow control solenoid valve duty output exceeds 10%, is the AVCS system operating angle approx. 0°? |
Check the following item and repair or replace if necessary. • Oil pipe (clog) • Intake 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) |
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. |