Pre-Crash Safety. Dtc B2057 Yaw Rate Sensor

Restraints. Lexus Gs430, Gs300. Uzs190 Grs190

Pre-Crash Safety. Lexus Gs430, Gs300. Uzs190 Grs190

CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)

DTC B2057 Yaw Rate Sensor

DESCRIPTION

This DTC is output when a malfunction in the yaw rate sensor is detected. This circuit consists of the yaw rate sensor and seat belt control ECU. Signals are sent from the yaw rate sensor through CAN communication.

DTC No.	DTC Detection Condition	Trouble Area
B2057	Malfunction in yaw rate sensor	Yaw rate sensor Seat belt control ECU

INSPECTION PROCEDURE

NOTICE:

When the seat belt control ECU is replaced with a new one, Active Test must be performed (Click here).

1.CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)

Delete the DTC (Click here).

Recheck for DTC.
OK:
DTC C1234 is not output.

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

OK

2.CHECK DTC (PRE-CRASH SAFETY SYSTEM)

Delete the DTC (Click here).

Recheck for DTC.
OK:
DTC B2057 is not output.

REPLACE SEAT BELT CONTROL ECU

END