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Terminals Of Ecu

WARNING: This page is about a different car, the 2004 Lexus ES 330. 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 Fig 1 below.
        Fig 1: Identifying Connector Terminal Of DLC3
        G01437591Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard: 

        Fig 2: DLC3 Terminals Reference Chart
        G01437592Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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 Fig 4.
        Fig 3: Identifying Connector Terminal Of Skid Control ECU
        G01437593Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard: 

        Fig 4: Skid Control ECU Terminals Reference Chart
        G01437594Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 Fig 6.
        Fig 5: Identifying Connector Terminal Of Skid Control ECU
        G01437595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard: 

        Fig 6: Skid Control ECU Terminals Reference Chart
        G01437596Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. STEERING SENSOR 
    1. Check the harness side connector (S9) of the steering sensor.
      1. Turn the ignition switch off.
      2. Disconnect the connector (S9) from the steering sensor.
      3. Measure the resistance according to the value(s) in Fig 8.
        Fig 7: Identifying Connector Terminal Of Steering Sensor
        G01437597Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard: 

        Fig 8: Steering Sensor Terminals Reference Chart
        G01437598Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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 Fig 10.
        Fig 9: Identifying Yaw Rate Sensor Connector Terminal
        G01437599Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard: 

        Fig 10: Yaw Rate Sensor Terminals Reference Chart
        G01437600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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