ANTI-LOCK BRAKE SYSTEM TC and CG Terminal Circuit

DESCRIPTION

Connecting terminals TC and CG of the DLC3 causes the skid control ECU to display 2-digit DTCs by flashing the ABS warning light.

WIRING DIAGRAM

A01387WE01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DLC3 TERMINAL VOLTAGE (TC TERMINAL)


    1. Turn the ignition switch to the ON position.

    2. A0136XBE02

      Measure the voltage.

      Standard Voltage
      Tester Connection Specified Condition
      C16-13 (TC) - C16-4 (CG) 10 to 14 V

    NG

    CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND) Click here

    OK

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


    1. Disconnect the skid control ECU connector.

    2. A01372AE01

      Measure the resistance.

      Standard Resistance
      Tester Connection Specified Condition
      A21-25 (TC) - C16-13 (TC) Below 1 Ω
      A21-25 (TC) - Body ground 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS AND CONNECTOR

    OK

    REPLACE BRAKE ACTUATOR

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


    1. A0136XBE10

      Measure the resistance.

      Standard Resistance
      Tester Connection Specified Condition
      C16-4 (CG) - Body ground Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS AND CONNECTOR

    OK

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


    1. Disconnect the skid control ECU connector.

    2. A01372AE01

      Measure the resistance.

      Standard Resistance
      Tester Connection Specified Condition
      A21-25 (TC) - C16-13 (TC) Below 1 Ω
      A21-25 (TC) - Body ground 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS AND CONNECTOR

    OK

    REPLACE BRAKE ACTUATOR