Subaru Forester 2004 - Page 620

IM-20
IMMOBILIZER (DIAGNOSTIC)
Diagnostics Procedure with Diagnostic Trouble Code (DTC)
D: DTC P0513 INCORRECT IMMOBILIZER KEY
DIAGNOSIS:
Use of unregistered key in IMM ECM
E: DTC P1576 EGI CONTROL MODULE EEPROM
DIAGNOSIS:
ECM malfunctioning
1. REPLACE ECM.
Replace the ECM.
<Ref. to FU(H4SO)-44, Engine Control Module (ECM).> <Ref. to FU(H4DOTC)-50, Engine Control Module
(ECM).> <Ref. to FU(H4DOTC 2.5)-41, Engine Control Module (ECM).>
Then perform teaching operation. Refer to the teaching operation manual (Pub. No. S0820GZ).
F: DTC P1577 IMM CONTROL MODULE EEPROM
DIAGNOSIS:
IMM ECM malfunctioning
1. REPLACE IMM ECM.
Replace the IMM ECM <Ref. to SL-37, Immobilizer Control Module.>, and then replace all ignition keys (in-
cluding the transponder). Then perform teaching operation. Refer to the teaching operation manual (Pub.
No. S0820GZ).
Step Check Yes No
1 PERFORM TEACHING OPERATION ON IG-
NITION KEY.
Perform teaching operation on all keys of the
vehicle. Refer to the teaching operation man-
ual (Pub. No. S0820GZ).
Is teaching operation for all
keys completed?
END Replace all ignition
keys (including the
transponder). Go
to step 2.
2 PERFORM TEACHING OPERATION ON IG-
NITION KEY.
Perform teaching operation on all keys with
vehicle. Refer to the teaching operation man-
ual (Pub. No. S0820GZ).
Is teaching operation for all
keys completed?
END Replace the IMM
ECM <Ref. to SL-
37, Immobilizer
Control Module.>
and then replace
all ignition keys
(including the tran-
sponder). Then
perform teaching
operation. Refer to
the teaching oper-
ation manual (Pub.
No. S0820GZ).