PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:B2070

DTC Code DTC Name
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 INTELLIGENT TESTER (BUZZER)


    1. Using the intelligent tester, 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.
      Result
      Result Proceed to

      OK

      (for LHD)

      		 A

      OK

      (for RHD)

      		 B
      NG C

    B

    REPLACE SEAT BELT CONTROL ECU Click here

    C

    GO TO VEHICLE STABILITY CONTROL SYSTEM Click here

    A

    REPLACE SEAT BELT CONTROL ECU Click here