Subaru Legacy 2002 Service Manual page 3358

LIST OF DIAGNOSTIC TROUBLE CODE (DTC)
7. List of Diagnostic Trouble Code (DTC)
A: LIST
S009525A12
Item appearing on select monitor screen
DTC
Without With
OBD OBD
P1571 Reference Code Incompatibility
IMM Circuit Failure
P1572
(Except Antenna Circuit)
P1574 Key Communication Failure
53
P0153 Use of Unregistered Key
P1576 EGI Control Module EEPROM
P1577 IMM Control Module EEPROM
P1570 ANTENNA
NOTE:
When a diagnostic trouble code except for the
above immobilizer trouble code has been output,
carry out diagnosis for the engine trouble code.
<Ref. to EN-82, List of Diagnostic Trouble Code
(DTC).> or <Ref. to EN(w/oOBD)-66, List of Diag-
nostic Trouble Code (DTC).> or <Ref. to EN(H6)-
87, List of Diagnostic Trouble Code (DTC).>
Contents of diagnosis
Item
Reference code incompatibility
between IMM ECM and ECM
Communication failure between IMM
ECM and ECM
Failure of IMM ECM to verify key
(transponder) ID code
Incorrect immobilizer key (Use of
unregistered key in IMM ECM)
ECM malfunctioning
IMM ECM malfunctioning
Faulty antenna
IM-13
Immobilizer (Diagnostics)
S009525
Index No.
<Ref. to IM-14, DTC P1571
REFERENCE CODE
INCOMPATIBILITY, Diagnostics
Chart with Trouble Code
(DTC).>
<Ref. to IM-15, DTC P1572
IMM CIRCUIT FAILURE
(EXCEPT ANTENNA CIRCUIT),
Diagnostics Chart with Trouble
Code (DTC).>
<Ref. to IM-19, DTC P1574
KEY COMMUNICATION
FAILURE, Diagnostics Chart
with Trouble Code (DTC).>
<Ref. to IM-20, DTC P0153
INNCORRECT IMMOBILIZER
KEY (USE OF UNREGIS-
TERED KEY), Diagnostics
Chart with Trouble Code
(DTC).>
<Ref. to IM-20, DTC P1576
EGI CONTROL MODULE
EEPROM, Diagnostics Chart
with Trouble Code (DTC).>
<Ref. to IM-20, DTC P1577
IMM CONTROL MODULE
EEPROM, Diagnostics Chart
with Trouble Code (DTC).>
<Ref. to IM-21, DTC P1570
ANTENNA, Diagnostics Chart
with Trouble Code (DTC).>