FixVault
Home › Toyota › 2008 › Yaris Base, 2D Hatchback, Automatic › Repair and Diagnosis › Brakes › Brakes Control Systems › Brake Control System › Anti-Lock Brake System › TC and CG Terminal Circuit › Inspection Procedure

Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (DLC3 - ECM) 
    1. Turn the ignition switch off.
    2. Disconnect the ECM connector.
    3. Measure the resistance.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      D15-13(TC) - A21-27 (TC) Below 1 Ω
      Fig 1: Identifying DLC3 Connector Terminal And ECM Connector Terminal
      G04832218Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND) 
    1. Measure the resistance.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      D15-4 (CG) - Body ground Below 1 Ω
      Fig 2: Identifying DLC3 Connector Terminal
      G04832219Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (ECM - BODY GROUND) 
    1. Disconnect the ECM connector.
      2. Fig 3: Identifying ECM Connector Terminal
      G05591589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Specified Condition
      A21-27 (TC) - Body ground 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  4. REPLACE ECM 
    1. Replace the ECM.
    2. Check for DTCs of the ECM (See DTC CHECK/CLEAR ).

      Result 

      RESULT CHART

      Result Proceed to
      DTC not output A
      DTC output B

    B: REPAIR CIRCUITS INDICATED BY OUTPUT DTCS  (See DIAGNOSTIC TROUBLE CODE CHART )

    A: END 

About FixVault