Subaru FORESTER 2001 Service Manual page 178

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
No.
10 CHECK CRANKSHAFT SPROCKET.
Remove timing belt cover.
11 CHECK INSTALLATION CONDITION OF
TIMING BELT.
Turn crankshaft using ST, and align alignment
mark on crankshaft sprocket with alignment
mark on cylinder block.
ST 499987500 CRANKSHAFT SOCKET
12 CHECK FUEL LEVEL.
13 CHECK STATUS OF CHECK ENGINE MAL-
FUNCTION INDICATOR LAMP (MIL).
1) Clear memory using Subaru Select Moni-
tor.
<Ref. to EN(DOHC TURBO)-47, Clear
Memory Mode.>
2) Start engine, and drive the vehicle more
than 10 minutes.
14 CHECK CAUSE OF MISFIRE DIAGNOSED.
Step
Is crankshaft sprocket
rusted or does it have bro-
ken teeth?
Is timing belt dislocated
from its proper position?
Is the fuel meter indication
higher than the "Lower"
level?
Is the MIL coming on or
blinking?
Was the cause of misfire
diagnosed when the engine
is running?
EN(DOHC TURBO)-177
Check Yes
Replace crank-
shaft sprocket.
<Ref. to
ME(DOHC
TURBO)-57,
Crankshaft
Sprocket.>
Repair installation
condition of timing
belt. <Ref. to
ME(DOHC
TURBO)-48, Tim-
ing Belt Assem-
bly.>
Go to step 13.
Go to step 15.
Finish diagnostics
operation, if the
engine has no
abnormality.
NOTE:
Ex. Remove spark
plug cord, etc.
Engine (Diagnostics)
No
Go to step 11.
Go to step 12.
Replenish fuel so
fuel meter indica-
tion is higher than
the "Lower" level.
After replenishing
fuel, Go to step
13.
Go to step 14.
Repair poor con-
tact.
NOTE:
In this case,
repair the follow-
ing:
¼ Poor contact in
ignitor connector
¼ Poor contact in
ignition coil con-
nector
¼ Poor contact in
fuel injector con-
nector on faulty
cylinders
¼ Poor contact in
ECM connector
¼ Poor contact in
coupling connec-
tor