Subaru Impreza 2003 Service Manual page 3292

IMMOBILIZER (DIAGNOSTICS)
9. List of Diagnostic Trouble Code (DTC)
A: LIST
DTC
Without With
OBD OBD
P0513 Incorrect Immobilizer Key
P1570 ANTENNA
Reference Code Incompati-
P1571
bility
IMM Circuit Failure
P1572
53 (Except Antenna Circuit)
P1574 Key Communication Failure
EGI Control Module
P1576
EEPROM
IMM Control Module
P1577
EEPROM
NOTE:
If any DTC except for the above immobilizer DTC has been output, carry out diagnosis for the engine DTC.
<Ref. to EN(H4SO)-73, List of Diagnostic Trouble Code (DTC).> or <Ref. to EN(H4SOw/oOBD)-55, List of
Diagnostic Trouble Code (DTC).> or <Ref. to EN(H4DOTC)-75, List of Diagnostic Trouble Code (DTC).>
LIST OF DIAGNOSTIC TROUBLE CODE (DTC)
Item
Incorrect immobilizer key (Use of
unregistered key in IMM ECM)
Faulty antenna
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
ECM malfunctioning
IMM ECM malfunctioning
Contents of diagnosis
IM-14
Index No.
<Ref. to IM-15, DTC P0513 INCOR-
RECT IMMOBILIZER KEY, Diagnostics
Chart with Diagnostic Trouble Code
(DTC).>
<Ref. to IM-16, DTC P1570 ANTENNA,
Diagnostics Chart with Diagnostic Trou-
ble Code (DTC).>
<Ref. to IM-18, DTC P1571 REFER-
ENCE CODE INCOMPATIBILITY, Diag-
nostics Chart with Diagnostic Trouble
Code (DTC).>
<Ref. to IM-19, DTC P1572 IMM CIR-
CUIT FAILURE (EXCEPT ANTENNA
CIRCUIT), Diagnostics Chart with Diag-
nostic Trouble Code (DTC).>
<Ref. to IM-23, DTC P1574 KEY COM-
MUNICATION FAILURE, Diagnostics
Chart with Diagnostic Trouble Code
(DTC).>
<Ref. to IM-23, DTC P1576 EGI CON-
TROL MODULE EEPROM, Diagnostics
Chart with Diagnostic Trouble Code
(DTC).>
<Ref. to IM-23, DTC P1577 IMM CON-
TROL MODULE EEPROM, Diagnostics
Chart with Diagnostic Trouble Code
(DTC).>