Home › Vehicle Interior › Supplemental Restraint Systems › PRE-COLLISION: PRE-COLLISION SYSTEM
Last Modified: 11-27-2007 1.6 C
Service Category: Vehicle Interior Section: Supplemental Restraint Systems
Model Year: 2008 Model: LX570 Doc ID: RM000003FE7000X
Title: PRE-COLLISION: PRE-COLLISION SYSTEM: DESCRIPTION (2008 LX570)

DTC

B2057

Yaw Rate Sensor

DESCRIPTION

This DTC is stored when the vehicle is driven at a vehicle speed of 5 km/h (3 mph) or more and a malfunction occurs in the yaw rate sensor.

This circuit consists of the yaw rate sensor and seat belt control ECU.

DTC Code

DTC Detection Condition

Trouble Area

B2057

The vehicle speed is 5 km/h (3 mph) or more and a malfunction is detected in the yaw rate sensor.
  • Yaw rate sensor
  • Seat belt control ECU
  • Distance control ECU

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM)

(a) Using the Techstream, enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Code.

(b) Clear the DTCs BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

(c) Check for DTCs BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

OK:

DTC C1234 is not output.

OK

2.

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: PRE-COLLISION SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

(c) Check for DTCs PRE-COLLISION: PRE-COLLISION SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

OK:

DTC B2057 is not output.

OK