VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster) TS and CG Terminal Circuit

DESCRIPTION

The signal check circuit detects trouble in the sensor or switch signal which cannot be detected by the DTC check.

Connecting terminals TS and CG of the DLC3 starts the signal check.

WIRING DIAGRAM

A009974E05

INSPECTION PROCEDURE

Note

When replacing the brake actuator assembly, perform calibration Click here.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - DLC3)


    1. Turn the ignition switch off.

    2. Disconnect the A6 skid control ECU connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      A6-33 (TS) - G48-12 (TS) Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)


    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G48-4 (CG) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)


    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G48-12 (TS) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here