B2790

THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM (w/ Smart Key System): B2790: ID BOX EEPROM Malfunction
B2790 - ID BOX EEPROM Malfunction

DESCRIPTION

This DTC is stored when the ID code box detects an internal malfunction.





INSPECTION PROCEDURE

NOTICE:
Before replacing the certification ECU, refer to Registration Engine Immobilizer System (w/ Smart Key System).

PROCEDURE

1. REPLACE ID CODE BOX

(a) Replace the ID code box Removal.

NEXT -- Continue to next step.

2. REGISTER RECOGNITION CODES

(a) Register the recognition codes in the ECUs Engine Immobilizer System (w/ Smart Key System).

NEXT -- Continue to next step.

3. REGISTER ECU COMMUNICATION ID

(a) Register the ECU communication ID Engine Immobilizer System (w/ Smart Key System).

NEXT -- Continue to next step.

4. CLEAR DTC

(a) Clear the DTCs Engine Immobilizer System (w/ Smart Key System).

NEXT -- Continue to next step.

5. CHECK FOR DTC

(a) Check for DTCs Engine Immobilizer System (w/ Smart Key System).

OK:

DTC B2790 is not output.

NG -- REPLACE CERTIFICATION ECU Removal

OK -- END (ID CODE BOX IS DEFECTIVE)