Pre-Crash Safety. Dtc B2015 Open In Right Side Upper Mos

DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC

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 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 output during seat belt control ECU self-diagnosis.
When DTC B2015 or B2016 is stored, DTCs B2026 and B2027 are not stored.
When DTC B2020 or B2021 is stored, DTCs B2031 and B2032 are not stored.

DTC Code	DTC Detection Condition	Trouble Area
B2015	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2016	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2020	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2021	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2025	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2026	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2027	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2030	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2031	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2032	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2035	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2040	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2041	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2043	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU
B2047	While the initial check is running and the ignition switch is ON, the seat belt control ECU detects an internal malfunction for 1 second.	Seat belt control ECU

INSPECTION PROCEDURE

1.CHECK FOR DTC

Clear the DTCs (LandCruiser RM0000043K500GX.html).

Check for DTCs (LandCruiser RM0000043K500GX.html).
OK:
DTCs B2015 to B2047 are not output.

REPLACE SEAT BELT CONTROL ECU (LandCruiser RM000003UX700KX.html)

USE SIMULATION METHOD TO CHECK (LandCruiser RM000003YMJ00XX.html)