ID BOX EEPROM Malfunction (B2790)

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

NOTICE:

Before replacing the certification ECU, refer to Registration (See page ).

1. REPLACE ID CODE BOX

(a) Replace the ID code box (See page ).

NEXT

1. REGISTER RECOGNITION CODES

(a) Register the recognition codes in the ECUs (See page ).

NEXT

1. REGISTER ECU COMMUNICATION ID

(a) Register the ECU communication ID (See page ).

NEXT

1. CLEAR DTC

(a) Clear the DTCs (See page ).

NEXT

1. CHECK FOR DTC

(a) Check for DTCs (See page ).

OK:

DTC B2790 is not output.

OK

END (ID CODE BOX IS DEFECTIVE)

NG

REPLACE CERTIFICATION ECU