Subaru Legacy 2002 Service Manual page 3353

Immobilizer (Diagnostics)
10) On the Diagnostic Code(s) Display
screen, select the {Current Diagnostic Code(s)} or
{History Diagnostic Code(s)} and press the [YES]
key.
NOTE:
¼ For detailed operation procedure, refer to the
SUBARU SELECT
MANUAL.
¼ For detailed concerning diagnostic trouble
codes, refer to the List of Diagnostic Trouble Code
(DTC). <Ref. to IM-13, List of Diagnostic Trouble
Code (DTC).>
2. CLEAR MEMORY MODE
1) On the Main Menu
the {2. Each System Check} and press the [YES]
key.
2) On the System Selection Menu
screen, select the {Engine Control System} and
press the [YES] key.
3) Press the [YES] key after displayed the infor-
mation of engine type.
4) On the Engine Diagnosis
select the {Clear Memory} and press the [YES]
key.
5) When the 'Done' and 'Turn Ignition Switch OFF'
are shown on the display screen, turn the Subaru
Select Monitor and ignition switch to OFF.
NOTE:
¼ After the memory has been cleared, the ISC
must be initialized. To do this, turn the ignition
switch to the ON position. Wait 3 seconds before
starting the engine. (AT vehicles only)
¼ For detailed operation procedure, refer to the
SUBARU SELECT
MANUAL.
3. INTERFACE CHECK
NOTE:
Communication line between ECM and IMM ECM
can be checked in
Mode . This is referred to as "interface check".
1) Connect select monitor.
2) Set the System Operation Check Mode
menu display screen then select
System .
SUBARU SELECT MONITOR
display
MONITOR OPERATION
S009503A1603
display screen, select
display
display screen,
MONITOR OPERATION
S009503A1604
System Operation Check
Immobilizer
3) Screen indicates as shown.
4) Start interface check.
5) Does "Communication Line not Shorted"
appear on screen?
If "YES". Go to step 6).
If "NO". Go to step 7).
6) After diagnostic results, it is determined that
short circuit is not a diagnostic item. This com-
pletes interface check.
7) If a problem is detected, repair. <Ref. to IM-15,
DTC P1572 IMM CIRCUIT FAILURE (EXCEPT
ANTENNA CIRCUIT), Diagnostics Chart with
Trouble Code (DTC).>
IM-8
S6M0210
S6M0211