Obd-Ii General Scan Tool - Subaru 2004 FORESTER Service Manual

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTIC)
19.Diagnostic Procedure with Diagnostic Trouble Code (DTC)
A: DTC P0011 "A" CAMSHAFT POSITION - TIMING OVER - ADVANCED OR
SYSTEM PERFORMANCE (BANK 1)
DTC DETECTING CONDITION:
Detect as soon as the malfunction occurs.
TROUBLE SYMPTOM:
• Engine stalls.
• Erroneous idling
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4DOTC)-47, OP-
ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC)-40, Inspection Mode.>.
Step
1 CHECK DTC ON DISPLAY.
2 CHECK CURRENT DATA.
1) Start the engine and idle it.
2) Check the AVCS system operating angle
and oil flow control solenoid valve duty output
using Subaru Select Monitor or OBD-II general
scan tool.
NOTE:
• Subaru Select Monitor
For detailed operation procedure, refer to
"READ CURRENT DATA SHOWN ON DIS-
PLAY FOR ENGINE". <Ref. to EN(H4DOTC)-
33, Subaru Select Monitor.>

• OBD-II general scan tool

For detailed operation procedures, refer to the
OBD-II General Scan Tool Operation Manual.
Check
Is any other DTC displayed?
Is the AVCS system operating
angle approx. 0 degree and oil
flow control solenoid valve duty
output approx. 10%?
EN(H4DOTC)-80
Yes
Inspect the rele- Go to step 2.
vant DTC using
"List of Diagnostic
Trouble Code
(DTC)". <Ref. to
EN(H4DOTC)-74,
List of Diagnostic
Trouble Code
(DTC).>
A temporary poor Check the follow-
malfunction. Per- ing and repair or
form the following replace it if neces-
to clean oil routing. sary.
Replace the • Oil pipe (clog-
engine oil, and ging)
then idle the • Oil flow con-
engine for 5 min- trol solenoid
utes and replace valve (clogging
the oil filter and or dirt of oil
engine oil. routing, spring
setting, clog-
ging of valve)
• Intake cam-
shaft (dirt, dam-
age of
camshaft)
• Timing belt
(alignment of
timing mark)
No