Subaru Legacy 2003 Service Manual page 4050

DIAGNOSTIC PROCEDURE WITH TROUBLE CODE (DTC)
IMMOBILIZER (DIAGNOSTICS)
E: DTC P1576 EGI CONTROL MODULE EEPROM
DIAGNOSIS:
• ECM malfunctioning
1. REPLACE ECM.
Replace ECM.
<Ref. to FU(H4SO)-45, Engine Control Module.>
<Ref. to FU(H4SOw/oOBD)-42, Engine Control Module.>
<Ref. to FU(H6DO)-46, Engine Control Module.>
<Ref. to FU(H4DOSTC)-40, Engine Control Module.>
Then perform teaching operation. Refer to teaching operation manual (Pub. No. S0820GZ).
F: DTC P1577 IMM CONTROL MODULE EEPROM
DIAGNOSIS:
• IMM ECM malfunctioning
1. REPLACE IMM ECM.
Replace IMM ECM <Ref. to SL-36, Immobilizer Control Module.> and then replace all ignition keys (includ-
ing the transponder). Then perform teaching operation. Refer to teaching operation manual (Pub. No.
S0820GZ).
IM-25