DTC B2790-46: ID-BOX Calibration / Parameter Memory Failure [11/2021 - ]: Procedure
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- REPLACE ID CODE BOX (IMMOBILISER CODE ECU)
- Replace the ID code box (immobiliser code ECU) with a new one.
Refer to REMOVAL [11/2021 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 2
- Replace the ID code box (immobiliser code ECU) with a new one.
- CLEAR DTC
Result:
NEXT
See step 3
- REGISTER RECOGNITION CODE
- Register the recognition codes to the ECUs.
Refer to REGISTRATION [11/2021 - 03/2023] , or refer to REGISTRATION [03/2023 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 4
- Register the recognition codes to the ECUs.
- REGISTER ECU COMMUNICATION ID
- Register the ECU communication ID codes.
Refer to REGISTRATION [11/2021 - 03/2023] , or refer to REGISTRATION [03/2023 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 5
- Register the ECU communication ID codes.
- CHECK DTC
- Using the GTS, check if DTC is output.
Body Electrical > Smart Access > Trouble Codes
Result
Result Proceed to DTC B2790-46 is output A DTC B2790-46 is not output B
Result:
A
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL [11/2021 - ]
Result:
B
END (ID CODE BOX (IMMOBILISER CODE ECU) WAS DEFECTIVE)
- Using the GTS, check if DTC is output.