Subaru Legacy 2002 Service Manual page 1422

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
No.
1 CHECK ANY OTHER DTC ON DISPLAY.
2 CHECK CONDITION OF CRANKSHAFT
POSITION SENSOR.
Turn ignition switch to OFF.
3 CHECK CRANKSHAFT PLATE.
4 CHECK INSTALLATION CONDITION OF
TIMING CHAIN.
Turn crankshaft using ST, and align alignment
mark on crankshaft sprocket with alignment
mark on cylinder block.
ST 18252AA000 CRANKSHAFT SOCKET
Step
Does the Subaru Select
Monitor or OBD-II general
scan tool indicate DTC
P0335?
Is the crankshaft position
sensor installation bolt
tightened securely?
Are crankshaft plate teeth
cracked or damaged?
Is timing chain dislocated
from its proper position?
EN(H6)-215
Check Yes
Inspect DTC
P0335 using "List
of Diagnostic
Trouble Code
(DTC)". <Ref. to
EN(H6)-87, List of
Diagnostic
Trouble Code
(DTC).>
Go to step 3.
Replace crank-
shaft plate.
Repair installation
condition of timing
chain. <Ref. to
ME(H6)-42, Tim-
ing Chain Assem-
bly.>
Engine (DIAGNOSTICS)
No
Go to step 2.
Tighten crankshaft
position sensor
installation bolt
securely.
Go to step 4.
Replace crank-
shaft position sen-
sor. <Ref. to
FU(H6)-30,
Crankshaft Posi-
tion Sensor.>