Dtc B2790 Id Box Eeprom Malfunction

Securities. Camry. Acv40 Gsv40
Engine Immobiliser. Camry. Acv40 Gsv40

DESCRIPTION

INSPECTION PROCEDURE

REPLACE ID CODE BOX (IMMOBILISER CODE ECU)

ECU CODE REGISTRATION

ECU COMMUNICATION ID REGISTRATION

CHECK DTC OUTPUT

DTC B2790 ID BOX EEPROM Malfunction


DESCRIPTION

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

DTC Code
DTC Detection Condition
Trouble Area
B2790
ID code box (immobiliser code ECU) detects internal malfunction.
  1. ID code box (Immobiliser code ECU)
  2. Certification ECU (Smart key ECU assembly

INSPECTION PROCEDURE

NOTICE:
  1. If the ID code box (immobiliser code ECU) is replaced, register the ECU code and ECU communication ID.
  2. If the certification ECU (smart key ECU assembly) is replaced, register all the keys.
1.REPLACE ID CODE BOX (IMMOBILISER CODE ECU)

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


NEXT


2.ECU CODE REGISTRATION

  1. Register the ECU code.


NEXT


3.ECU COMMUNICATION ID REGISTRATION

  1. Register the ECU communication ID.


NEXT


4.CHECK DTC OUTPUT

  1. Clear the DTCs (CAMRY_ACV40 RM000001GV802CX.html).

  1. Recheck for DTCs (CAMRY_ACV40 RM000001GV802CX.html).

    OK:
    B2790 output does not recur.


NG
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
OK

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