Subaru IMPREZA GD 2007 Series Manual page 2245

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Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CD:DTC P0513 INCORRECT IMMOBILIZER KEY
1. OUTLINE OF DIAGNOSIS
DTC
P0513 Incorrect Immobilizer Key
P1570 Antenna
P1571 Reference Code Incompatibility
P1572 IMM Circuit Failure (Except
Antenna Circuit)
P1574 Key Communication Failure
P1576 EGI Control Module EEPROM
P1577 IMM Control Module EEPROM
2. ENABLE CONDITION
When starting the engine.
3. GENERAL DRIVING CYCLE
Perform the diagnosis only after starting the engine.
4. DIAGNOSTIC METHOD
Judge as NG when the conditions for the outline of the diagnosis in the table above are established.
Item
Incorrect immobilizer key (Use of unregistered key in body inte-
grated unit)
Faulty antenna
Reference code incompatibility between body integrated unit and
ECM
Communication failure between body integrated unit and ECM
Failure of body integrated unit to verify key (transponder) ID code
or transponder failure
ECM malfunctioning
Body integrated unit malfunctioning
GD(STI)-178
Outline of diagnosis