INSPECTION PROCEDURE
NOTICE:
* If the certification ECU (smart key ECU assembly) is replaced, register the key See: Accessories and Optional
Equipment/Antitheft and Alarm Systems/Testing and Inspection/Programming and Relearning/Engine Immobilizer System.
* If the ID code box (immobiliser code ECU) is replaced, register the ECU code and ECU communication ID See: Accessories
and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Programming and Relearning/Engine
Immobilizer System.
PROCEDURE
1. REPLACE ID CODE BOX (IMMOBILISER CODE ECU)
(a) Replace the ID code box (immobiliser code ECU) See: Accessories and Optional Equipment/Antenna/Keyless Start Antenna/Service
and Repair/Removal.
NEXT -- Continue to next step.
2. ECU CODE REGISTRATION
(a) Register the ECU code See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Programming
and Relearning/Engine Immobilizer System.
NEXT -- Continue to next step.
3. ECU COMMUNICATION ID REGISTRATION
(a) Register the ECU communication ID See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and
Inspection/Programming and Relearning/Engine Immobilizer System.
NEXT -- Continue to next step.
4. CHECK DTC OUTPUT
(a) Clear the DTCs See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Reading and
Clearing Diagnostic Trouble Codes/Engine Immobiliser System.
(b) Recheck for DTCs See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Reading and
Clearing Diagnostic Trouble Codes/Engine Immobiliser System.
OK:
DTC B2790 is not output.
NG -- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) See: Accessories and Optional
Equipment/Antitheft and Alarm Systems/Alarm Module/Service and Repair/Removal
OK -- END (ID CODE BOX (IMMOBILISER CODE ECU) WAS DEFECTIVE)
From 08/2009
THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: B2790: ID BOX EEPROM Malfunction
B2790 - ID BOX EEPROM Malfunction
DESCRIPTION
This DTC is output when the ID code box (immobiliser code ECU) detects an internal malfunction.
INSPECTION PROCEDURE
NOTICE:
* If the certification ECU (smart key ECU assembly) is replaced, register the key See: Accessories and Optional
Equipment/Antitheft and Alarm Systems/Testing and Inspection/Programming and Relearning/Engine Immobilizer System.
* If the ID code box (immobiliser code ECU) is replaced, register the ECU code and ECU communication ID See: Accessories
and Optional Equipment/Antitheft and Alarm Systems/Testing and Inspection/Programming and Relearning/Engine
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