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Terminals Of Ecu

  1. DLC3 
    1. Check DLC3.
      1. Measure the resistance according to the value(s) in DLC  .
        Fig 1: Identifying DLC3 Connector Terminal
        G04467112Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard resistance 

        DLC

        Terminals Terminal Description Condition Specified value
        D1-6 (CANH) - D1-14 (CANL) HIGH-level CAN bus line - LOW-level CAN bus line IG switch OFF 54 to 69 Ω
        D1-6 (CANH) - D1-16 (BAT) HIGH-level CAN bus line - Battery positive IG switch OFF 1 MΩ or higher
        D1-14 (CANL) - D1-16 (BAT) LOW-level CAN bus line - Battery positive IG switch OFF 1 MΩ or higher
        D1-6 (CANH) -D1-4 (CG) HIGH-level CAN bus line - Ground IG switch OFF 3 kΩ or higher
        D1-14 (CANL) - D1-4 (CG) LOW-level CAN bus line - Ground IG switch OFF 3 kΩ or higher
  2. SKID CONTROL ECU 
    1. Check skid control ECU.
      1. Disconnect the connector (S1) from the skid control ECU.
      2. Measure the resistance according to the value(s) in SKID CONTROL ECU (1 OF 2)  .
        Fig 2: Identifying Skid Control ECU Connector Terminal
        G04467113Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard resistance 

        SKID CONTROL ECU (1 OF 2)

        Terminals Terminal Description Condition Specified value
        11 (CANH) - 25 (CANL) HIGH-level CAN bus line - LOW-level CAN bus line IG switch OFF 108 to 132 Ω
        11 (CANH) - 32 (GND1) HIGH-level CAN bus line - Ground IG switch OFF 3 kΩ or higher
        25 (CANL) - 32 (GND1) LOW-level CAN bus line - Ground IG switch OFF 3 kΩ or higher
        11 (CANH) - 31 (+BS) HIGH-level CAN bus line - Battery positive IG switch OFF 1 MΩ or higher
        25 (CANL) - 31 (+BS) LOW-level CAN bus line - Battery positive IG switch OFF 1 MΩ or higher
    2. Check the skid control ECU harness side connector (S1).
      1. Disconnect the connector (S1) from the skid control ECU.
      2. Measure the resistance according to the value(s) in SKID CONTROL ECU (2 OF 2)  .
        Fig 3: Checking Skid Control ECU Harness Side Connector (S1)
        G04467114Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard resistance 

        SKID CONTROL ECU (2 OF 2)

        Terminals Wiring Color Terminal Description Condition Specified value
        S1-11 (CANH) - S1-25 (CANL) B - W HIGH-level CAN bus line - LOW-level CAN bus line IG switch OFF 108 to 132 Ω
        S1-11 (CANH) - S1-32 (GND1) B - W-B HIGH-level CAN bus line - Ground IG switch OFF 3 kΩ or higher
        S1-25 (CANL) - S1-32 (GND1) W - W-B LOW-level CAN bus line - Ground IG switch OFF 3 kΩ or higher
        S1-11 (CANH) - S1-31 (+BS) B - B HIGH-level CAN bus line - Battery positive IG switch OFF 1 MΩ or higher
        S1-25 (CANL) - S1-31 (+BS) W - B LOW-level CAN bus line - Battery positive IG switch OFF 1 MΩ or higher
  3. STEERING SENSOR 
    1. Check steering sensor.
      1. Disconnect the connector (S12) from the steering sensor.
      2. Measure the resistance according to the value(s) in STEERING SENSOR  .
        Fig 4: Checking Steering Sensor
        G04467115Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard resistance 

        STEERING SENSOR (1 OF 2)

        Terminals Terminal Description Condition Specified value
        10 (CANH) - 9 (CANL) HIGH-level CAN bus line - LOW-level CAN bus line IG switch OFF 108 to 132 Ω
        10 (CANH) - 2 (ESS) HIGH-level CAN bus line - Ground IG switch OFF 3 kΩ or higher
        9 (CANL) - 2 (ESS) LOW-level CAN bus line - Ground IG switch OFF 3 kΩ or higher
        10 (CANH) - 3 (BAT) HIGH-level CAN bus line - Battery positive IG switch OFF 1 MΩ or higher
        9 (CANL) - 3 (BAT) LOW-level CAN bus line - Battery positive IG switch OFF 1 MΩ or higher
    2. Check the harness side connector (S12) of the steering sensor.
      1. Disconnect the connector (S12) from the steering sensor.
      2. Measure the resistance according to the value(s) in STEERING SENSOR (2 OF 2)  .
        Fig 5: Checking Harness Side Connector (S12) Of Steering Sensor
        G04467116Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard resistance 

        STEERING SENSOR (2 OF 2)

        Terminals Wiring Color Terminal Description Condition Specified value
        S12-10 (CANH) - S12-9 (CANL) B - W HIGH-level CAN bus line - LOW-level CAN bus line IG switch OFF 108 to 132 Ω
        S12-10 (CANH) - S12-2 (ESS) B - W-B HIGH-level CAN bus line - Ground IG switch OFF 3 kΩ or higher
        S12-9 (CANL) - S12-2 (ESS) W - W-B LOW-level CAN bus line - Ground IG switch OFF 3 kΩ or higher
        S12-10 (CANH) - S12-3 (BAT) B - R-B HIGH-level CAN bus line - Battery positive IG switch OFF 1 MΩ or higher
        S12-9 (CANL) - S12-3 (BAT) W - R-B LOW-level CAN bus line - Battery positive IG switch OFF 1 MΩ or higher
  4. YAW RATE SENSOR 
    1. Check the yaw rate sensor harness side connector (Y1).
      1. Disconnect the connector (Y1) from the yaw rate sensor.
      2. Measure the resistance according to the value(s) in YAW RATE SENSOR  .
        Fig 6: Checking Yaw Rate Sensor Harness Side Connector (Y1)
        G04467117Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard resistance 

        YAW RATE SENSOR

        Terminals Wiring Color Terminal Description Condition Specified value
        Y1-3 (CANH) - Y1-2 (CANL) B - W HIGH-level CAN bus line - LOW-level CAN bus line IG switch OFF 54 to 69 Ω
        Y1-3 (CANH) - Y1-1 (GND) B - W-B LOW-level CAN bus line - Ground IG switch OFF 3 kΩ or higher
        Y1-2 (CANL) - Y1-1 (GND) W - W-B LOW-level CAN bus line - Ground IG switch OFF 3 kΩ or higher
        Y1-3 (CANH) - D1-16 (BAT) B - R-B LOW-level CAN bus line - Battery positive IG switch OFF 1 MΩ or higher
        Y1-2 (CANL) - D1-16 (BAT) W - R-B LOW-level CAN bus line - Battery positive IG switch OFF 1 MΩ or higher
  5. JUNCTION CONNECTOR (J13) 
    Fig 7: Identifying Junction Connector (J13)
    G04467118Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Terminal arrangement and connection
      JUNCTION CONNECTOR (J13)

      Terminals Connects to
      J13-4 (CANH) Skid Control ECU (CANH)
      J13-15 (CANL) Skid Control ECU (CANL)
      J13-5 (CANH) Yaw Rate Sensor (CAN-H)
      J13-16 (CANL) Yaw Rate Sensor (CAN-L)
      J13-6 (CANH) Steering Sensor (CANH)
      J13-17 (CANL) Steering Sensor (CANL)
      J13-7 (CANH) DLC3 (CANH)
      J13-18 (CANL) DLC3 (CANL)
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