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: RM000003B0Z003X
Title: PRE-COLLISION: PRE-COLLISION SYSTEM: DESCRIPTION (2008 LX570)

DTC

B2070

VSC Buzzer

DESCRIPTION

When the master cylinder solenoid (skid control ECU) detects a malfunction in the VSC warning buzzer circuit, a malfunction signal is sent to the seat belt control ECU, and this DTC is stored.

DTC Code

DTC Detection Condition

Trouble Area

B2070

While the engine switch is on (IG), the skid control ECU buzzer circuit malfunction signal is received by the seat belt control ECU.
  • Vehicle stability control system
  • Seat belt control ECU

INSPECTION PROCEDURE

PROCEDURE

1.

PERFORM ACTIVE TEST USING TECHSTREAM (BUZZER)

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

ABS/VSC/TRAC

Tester Display

Test Part

Control Range

Diagnostic Note

Buzzer

Skid control buzzer sounds

OFF or ON

-

OK:

Skid control buzzer sounds.

OK