Subaru 2006 Legacy, Manual

Page: 1577 / 4302

EN(H4DOTC)(diag)-75
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
1 8 .Diagnostic Procedure with Diagnostic Trouble Code (DTC)
A: DTC P0011 INTAKE CAMSHAFT POSITION - TIMING OVER-ADVANCED OR
SYSTEM PERFORMANCE (BANK 1)
DTC DETECTING CONDITION:
• Two consecutive driving cycles with fault
• GENERAL DESCRIPTION <Ref. to GD(H4DOTC)-9, DTC P0011 INTAKE CAMSHAFT POSITION - TIM-
ING OVER-ADVANCED OR SYSTEM PERFORMANCE (BANK 1), Diagnostic Trouble Code (DTC) Detect-
ing Criteria.>
TROUBLE SYMPTOM:
• Engine stalls.
• Improper idling
CAUTION:
After repairing or replacing the defective part, perform the Clear Memory Mode <Ref. to EN(H4DOTC)
(diag)-42, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC)(diag)-33,
PROCEDURE, Inspection Mode.>.
Step Check Yes No
1 CHECK ANY OTHER DTC ON DISPLAY.
Is there any other DTC dis-
played? Check the appro-
priate DTC using
the “List of Diag-
nostic Trouble
Code (DTC)”.
<Ref. to
EN(H4DOTC)(diag)
-68, List of Diag-
nostic Trouble
Code (DTC).> Go to step
2
.
2 CHECK CURRENT DATA.
1) Start the engine and let it idle.
2) Inspect the output of AVCS advance angle
and oil flow control solenoid valve duty.
NOTE:
• Subaru Select Monitor
For detailed operation procedure, refer to
“READ CURRENT DATA FOR ENGINE”. <Ref.
to EN(H4DOTC)(diag)-24, Subaru Select Mon-
itor.>
• General scan tool
For detailed operation procedure, refer to the
general scan tool operation manual.
Is AVCS advance approxi-
mately 0 degrees, and the oil
flow control solenoid valve duty
output approx. 10%? Check the follow-
ing item and repair
or replace if nec-
essary.
• Oil pipe (clog)
• Oil flow control
solenoid valve
(clog or dirt of oil
routing, setting of
spring, clog of
valve)
• Intake camshaft
(dirt, damage of
camshaft)
• Timing belt
(matching of tim-
ing mark) A temporary mal-
function. Perform
the following, and
clean the oil rout-
ing.
Replace the
engine oil and idle
the engine for 5
minutes, and then
replace the oil filter
and engine oil.
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