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Terminals Of Ecu

  1. TELEVISION CAMERA ASSEMBLY 
    1. Disconnect the Q43 camera connector.
      Fig 1: Identifying Q43 Camera Connector
      G05753846Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance between each terminal of the wire harness side connector.
      TERMINAL DESCRIPTION SPECIFIED VALUE CHART

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified value
      CGND (Q43-3) - Body ground W - Body ground Ground Always Below 1 Ω
      CB+ (Q43-4) - CGND (Q43-3) B - W Power source Engine switch on (IG), shift lever R position Approx. 6 V

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the Q43 camera connector.
    4. Measure the voltage and frequency between each terminal of the connector.
      TERMINAL DESCRIPTION SPECIFIED VALUE CHART

      Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified value
      CV+ (Q43-2) - CV- (Q43-1) R - Shielded Display signal Engine switch on (IG), shift lever R position See  1waveform 1

      If the result is not as specified, the camera may have a malfunction.

    5. Reference:

      Oscilloscope waveform

      1. Waveform 1
        WAVEFORM REFERENCE

        Item Content
        Measurement terminal CV+ - CV-
        Measurement setting 0.2 V/DIV., 0.2 μS/DIV.
        Condition Engine switch on (IG), Shift lever R position
  2. MULTI-DISPLAY  (See TERMINALS OF ECU )
    Fig 2: Identifying Signal Waveform
    G04945285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002