2010 Toyota Corolla L4-1.8L (2ZR-FE) B Code Charts Page 508

WIRING DIAGRAM

Refer to DTC B2789 (LIN Communication System) See: B2789.

INSPECTION PROCEDURE

Refer to DTC B2789 (LIN Communication System) See: B2789.

B2790

THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM (w/ Smart Key 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 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 Immobiliser

System (W/ Smart Key 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 Immobiliser System (W/ Smart Key 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 Immobiliser System (W/ Smart Key System).

NEXT -- END (ID CODE BOX (IMMOBILISER CODE ECU) IS DEFECTIVE)

B2793

THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM (w/o Smart Key System): B2793: Transponder Chip

Malfunction

B2793 - Transponder Chip Malfunction

DESCRIPTION

This DTC is output when a malfunction is found in the key during key code registration or a key code is not registered normally. Replace the key if