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B2040








PRE-COLLISION: PRE-COLLISION SYSTEM: B2015: Open in Right Side Upper MOS

DTC B2015 - Open in Right Side Upper MOS

DTC B2016 - Open in Right Side Lower MOS

DTC B2020 - Open in Left Side Upper MOS

DTC B2021 - Open in Left Side Lower MOS

DTC B2025 - Right Side Current Detection Circuit Malfunction Hi

DTC B2026 - Right Side Current Detection Circuit Malfunction Lo

DTC B2027 - Right Side Over-Current Malfunction

DTC B2030 - Left Side Current Detection Circuit Malfunction Hi

DTC B2031 - Left Side Current Detection Circuit Malfunction Lo

DTC B2032 - Left Side Over-Current Malfunction

DTC B2035 - Power Supply Relay Adherence Malfunction

DTC B2036 - Power Supply Relay Malfunction Open

DTC B2040 - EEPROM Malfunction

DTC B2041 - Fall of Raised Voltage

DTC B2043 - Fall of B+ Voltage

DTC B2047 - Seat Belt Control ECU Inner Circuit Malfunction

DESCRIPTION

The DTCs above are stored during the self diagnosis of the seat belt control ECU.






INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC (PRE-COLLISION SYSTEM)
(a) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Code.
(b) Clear the DTCs. Pre-Collision System
(c) Check for DTCs. Pre-Collision System
OK:
DTC is not output.
NG -- REPLACE SEAT BELT CONTROL ECU
OK -- USE SIMULATION METHOD TO CHECK