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Inspection Procedure

NOTE: When replacing the ABS and TRACTION actuator assembly, perform zero point calibration (See CALIBRATION  ).
  1. CHECK HARNESS AND CONNECTOR (ECM - SKID CONTROL ECU) 
    Fig 1: Identifying Skid Control ECU Connector And ECM Connector Terminals
    G05194902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the skid control ECU connector and ECM 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
      S1-8 (TRC+) - E6-25 (VSC+) Below 1 Ω
      S1-22 (TRC-) - E6-31 (VSC-) Below 1 Ω
      S1-9 (ENG+) - E6-24 (ENG+) Below 1 Ω
      S1-23 (ENG-) - E6-30 (ENG-) Below 1 Ω
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      S1-8 (TRC+) - Body ground 10 kΩ or higher
      S1-22 (TRC-) - Body ground 10 kΩ or higher
      S1-9 (ENG+) - Body ground 10 kΩ or higher
      S1-23 (ENG-) - Body ground 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK : Go to Next Step 

  2. INSPECT ECM (E1 TERMINAL) 
    1. Disconnect the ECM connector.
      Fig 2: Disconnecting ECM Connector
      G05194903Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      E3-5 (E1) - Body ground Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (E1 CIRCUIT) 

    OK : REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY 

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