DTC B2790: ID Code Box Circuit [11/2021 - ]: Procedure

1. Turn the ignition switch to ON.
2. Using the GTS, perform the clear DTCs of [Keyless Access with Push Button Start(Collation)].
3. Register the immobilizer code ECU. Refer to the Registration provided as a separate volume.

   Refer to REGISTRATION [11/2021 - ]

4. Read the DTC of [Keyless Access with Push Button Start(Collation)] using the GTS.

   Is DTC B2790 displayed? (Current malfunction)

   Result	Proceed to
   Yes (Replace the immobilizer code ECU.)	A
   No (Immobilizer code ECU registration was not performed properly.)	B

Result: 

A 

REPLACE IMMOBILIZER CODE ECU. Refer to  REMOVAL [11/2021 - ] 

Result: 

B 

IMMOBILIZER CODE ECU REGISTRATION WAS NOT PERFORMED PROPERLY