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Terminals Of Ecu

WARNING: This page is about a different car, the 2004 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
  1. DLC3 
    1. Check DLC3.
      1. Turn the ignition switch off.
      2. Measure the resistance according to the value (s) in the table below.
        Fig 1: Identifying DLC3Connector
        G02895343Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      SPECIFICATION TERMINAL CONNECTION

      Terminals Check item Condition Normal value
      D3-6 (CANH) - D3-14 (CANL) Resistance IG switch OFF 54 to 67 Ω
      D3-6 (CANH) - D3-16 (BAT) Resistance IG switch OFF More than 1 MΩ
      D3-14 (CANL) - D3-16 (BAT) Resistance IG switch OFF More than 1 MΩ
      D3-6 (CANH) - D3-4 (CG) Resistance IG switch OFF More than 3 kΩ
      D3-14 (CANL) - D3-4 (CG) Resistance IG switch OFF More than 3 kΩ
  2. SKID CONTROL ECU 
    1. Check skid control ECU.
      1. Turn the ignition switch off.
      2. Disconnect the connector (S1) from the skid control ECU.
      3. Measure the resistance according to the value (s) in the table below.
        Fig 2: View Of Skid Control ECU Terminal Connector
        G02895344Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      SPECIFICATION TERMINAL CONNECTION

      Terminals Check item Condition Normal value
      11 (CANH) - 25 (CANL) Resistance IG switch OFF 108 to 132 Ω
      11 (CANH) - 32 (GND1) Resistance IG switch OFF More than 3 kΩ
      25 (CANL) - 32 (GND1) Resistance IG switch OFF More than 3 kΩ
      11 (CANH) - 31 (+BS) Resistance IG switch OFF More than 1 MΩ
      25 (CANL) - 31 (+BS) Resistance IG switch OFF More than 1 MΩ
    2. Check the skid control ECU harness side connector (S1).
      1. Turn the ignition switch off.
      2. Disconnect the connector (S1) from the skid control ECU.
      3. Measure the resistance according to the value (s) in the table below.
        Fig 3: Disconnecting Harness Connector (S1) From Skid Control ECU
        G02895345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      WIRING SPECIFICATION

      Terminals Wiring Color Check item Condition Normal value
      S1-11 (CANH) - S1-25 (CANL) B - W Resistance IG switch OFF 108 to 132 Ω
      S1-11 (CANH) - S1-32 (GND1) B - W-B Resistance IG switch OFF More than 3 kΩ
      S1-25 (CANL) - S1-32 (GND1) W - W-B Resistance IG switch OFF More than 3 kΩ
      S1-11 (CANH) - S1-31 (+BS) B - W Resistance IG switch OFF More than 1 MΩ
      S1-25 (CANL) - S1-31 (+BS) W - W Resistance IG switch OFF More than 1 MΩ
  3. STEERING SENSOR 
    1. Check steering sensor.
      1. Turn the ignition switch off.
      2. Disconnect the connector (S11) from the steering sensor.
      3. Measure the resistance according to the value (s) in the table below.
        Fig 4: Identifying Steering Sensor Terminal Connector
        G02895346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      SPECIFICATION TERMINALS

      Terminals Check item Condition Normal value
      10 (CANH) - 9 (CANL) Resistance IG switch OFF 108 to 132 Ω
      10 (CANH) - 2 (ESS) Resistance IG switch OFF More than 3 kΩ
      9 (CANL) - 2 (ESS) Resistance IG switch OFF More than 3 kΩ
      10 (CANH) - 3 (BAT) Resistance IG switch OFF More than 1 MΩ
      9 (CANL) - 3 (BAT) Resistance IG switch OFF More than 1 MΩ
    2. Check the harness side connector (S11) of the steering sensor.
      1. Turn the ignition switch off.
      2. Disconnect the connector (S11) from the steering sensor.
      3. Measure the resistance according to the value (s) in the table below.
        Fig 5: Disconnecting Harness Connector (S11) From Steering Sensor
        G02895347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      WIRING SPECIFICATION

      Terminals Wiring Color Check item Condition Normal value
      S11-10 (CANH) - S11-9 (CANL) B - W Resistance IG switch OFF 54 to 67 Ω
      S11-10 (CANH) - S11-2 (ESS) B - W-B Resistance IG switch OFF More than 3 kΩ
      S11-9 (CANL) - S11-2 (ESS) W - W-B Resistance IG switch OFF More than 3 kΩ
      S11-10 (CANH) - S11-3 (BAT) B - P Resistance IG switch OFF More than 1 MΩ
      S11-9 (CANL) - S11-3 (BAT) W - P Resistance IG switch OFF More than 1 MΩ
  4. YAW RATE SENSOR 
    1. Check the yaw rate sensor harness side connector (Y1).
      1. Turn the ignition switch off.
      2. Disconnect the connector (Y1) from the yaw rate sensor.
      3. Measure the resistance according to the value (s) in the table below.
        Fig 6: Checking Yaw Rate Sensor Harness Connector (Y1)
        G02895348Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      WIRING SPECIFICATION

      Terminals Wiring Color Check item Condition Normal value
      Y1-3 (CANH) - Y1-2 (CANL) B - W Resistance IG switch OFF 54 to 67 Ω
      Y1-3 (CANH) - Y1-1 (GND) B - W-B Resistance IG switch OFF More than 3 kΩ
      Y1-2 (CANL) - Y1-1 (GND) W - W-B Resistance IG switch OFF More than 3 kΩ
      Y1-3 (CANH) - D3-16 (BAT) B - B Resistance IG switch OFF More than 1 MΩ
      Y1-2 (CANL) - D3-16 (BAT) W - B Resistance IG switch OFF More than 1 MΩ
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