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

A0138O9E02

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DLC3 TERMINAL VOLTAGE (TC TERMINAL)


    1. A0138WCE04
      Text in Illustration
      *a Front view of DLC3

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      C16-13 (TC) - C16-4 (CG) Ignition switch ON 11 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 A46 skid control ECU (brake actuator assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A46-20 (TC) - C16-13 (TC) Always Below 1 Ω
      A46-20 (TC) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here

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


    1. A0138WCE05
      Text in Illustration
      *a Front view of DLC3

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

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. Disconnect the A46 skid control ECU (brake actuator assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A46-20 (TC) - C16-13 (TC) Always Below 1 Ω
      A46-20 (TC) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here