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ENGINE IMMOBILISER SYSTEM (w/ Smart Entry and Start System), Diagnostic DTC:B2790

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DTC Code DTC Name
B2790 ID BOX EEPROM Malfunction
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DESCRIPTION

This DTC is output when the ID code box (immobiliser code ECU) detects an internal malfunction.

DTC No. DTC Detection Condition Trouble Area
B2790 ID code box (Immobiliser code ECU) detects internal malfunction ID code box (Immobiliser code ECU)
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INSPECTION PROCEDURE

Note:

If the ID code box (immobiliser code ECU) is replaced, register the ECU code and ECU communication ID.

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PROCEDURE


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    REPLACE ID CODE BOX (IMMOBILISER CODE ECU)


    1. Replace the ID code box (immobiliser code ECU).


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    ECU CODE REGISTRATION


    1. Register the ECU code.


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    ECU COMMUNICATION ID REGISTRATION


    1. Register the ECU communication ID.


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    END (ID CODE BOX (IMMOBILISER CODE ECU) IS DEFECTIVE)