Subaru B9 TRIBECA WX 2007, Manual

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IM(diag)-23
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
G: DTC P1577 IMM CONTROL MODULE EEPROM
DTC DETECTING CONDITION:
• Body integrated unit malfunctioning
• Failed to access ROM inside the body integrated unit.
H: DTC P157 8 METER FAILURE
DTC DETECTING CONDITION:
Reference code incompatibility between body integrated unit and combination meter
1. CHECK LAN COMMUNICATION SYSTEM.
Inspect LAN communication system in the following situation. <Ref. to LAN(diag)-2, Basic Diagnostic Proce-
dure.>
• DTC of body integrated unit B0300, B0301, B0302, B0111 or B0321 is displayed.
• “Er IU” or “Er LC” is displayed in combination meter odo/trip meter.
2. REPLACE COMBINATION METER.
Replace the combination meter. <Ref. to IDI-12, REMOVAL, Combination Meter.> Execute the registration
procedure of all immobilizer part (combination meter and etc.) next. Refer to the “REGISTRATION MANUAL
FOR IMMOBILIZER”.
NOTE:
When the combination meter has been replaced, be sure to perform the registration procedure of immobiliz-
er.
Step Check Yes No
1 PERFORM TEACHING OPERATION OF IG-
NITION KEY.
Perform teaching operation on all keys of the
vehicle. Refer to the “REGISTRATION MAN-
UAL FOR IMMOBILIZER”.
Is the teaching operation for all
keys completed? Make sure it is pos-
sible to start the
engine with all keys
that have been
taught. This com-
pletes the work. Go to step
2
.
2 PERFORM TEACHING OPERATION OF IG-
NITION KEY.
Perform teaching operation on all keys of the
vehicle. Refer to the “REGISTRATION MAN-
UAL FOR IMMOBILIZER”.
Is the teaching operation for all
keys completed? Make sure it is pos-
sible to start the
engine with all keys
that have been
taught. This com-
pletes the work. Go to step 3 .
3 PERFORM TEACHING OPERATION OF IG-
NITION KEY.
Perform teaching operation on all keys of the
vehicle. Refer to the “REGISTRATION MAN-
UAL FOR IMMOBILIZER”.
Is the teaching operation for all
keys completed? Make sure it is pos-
sible to start the
engine with all keys
that have been
taught. This com-
pletes the work. Replace the body
integrated unit.
<Ref. to SL-51,
Body Integrated
Unit.>
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