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Home >> Toyota >> 2008 >> Sienna CE >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brake Control System >> Anti-Lock Brake System >> TC and CG Terminal Circuit >> Inspection Procedure

Inspection Procedure

  1. INSPECT DLC3 (BETWEEN TC of DLC3 AND CG of DLC3) 
    1. Turn the ignition switch to the ON position.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      D1-13 (TC) - D1-4 (CG) 10 to 14 V
      3. Fig 1: Identifying DLC3 Connector Terminals
      G05139636Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG:  Go to step  3

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (BETWEEN SKID CONTROL ECU AND TC of DLC3) 
    1. Turn the ignition switch off.
    2. Disconnect the skid control ECU connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      S3-8 (TC) - D1-13 (TC) Below 1 Ω
      S3-8 (TC) - Body ground 10 kΩ or higher
      4. Fig 2: Identifying Skid Control ECU Connector Terminals
      G05139637Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE BRAKE ACTUATOR ASSEMBLY 

  3. CHECK HARNESS AND CONNECTOR (BETWEEN CG OF DLC3 AND BODY GROUND) 
    1. Turn the ignition switch off.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      D1-4 (CG) - Body ground Below 1 Ω
      3. Fig 3: Identifying DLC3 Connector Terminals
      G05139638Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  4. CHECK HARNESS AND CONNECTOR (BETWEEN SKID CONTROL ECU AND TC of DLC3) 
    1. Disconnect the skid control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      S3-8 (TC) - D1-13 (TC) Below 1 Ω
      S3-8 (TC) - Body ground 10 kΩ or higher
      3. Fig 4: Identifying Skid Control ECU Connector Terminals And DLC3 Connector Terminals
      G05139639Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE BRAKE ACTUATOR ASSEMBLY 

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