PARKING ASSIST MONITOR SYSTEM TERMINALS OF ECU


  1. TELEVISION CAMERA ASSEMBLY

    B000VTAE02

    1. Disconnect the d1 television camera assembly connector.

    2. Measure the voltage on the wire harness side connector according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Switch Condition Specified Condition
      d1-8 (CB+) - Body ground L - Body ground Power source Engine switch on (ACC) 5.5 to 7.05 V

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

    3. Reconnect the d1 television camera assembly connector.

    4. Measure the voltage and check for pulses at each terminal of the connector.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      d1-4 (CV+) - d1-3 (CV-) R - W Video signal

      Engine running

      Shift position in R

      Camera lens not covered, displaying image

      Pulse generation

      (Refer to waveform 1)

      Engine running

      Shift position in R

      Camera lens covered, blacking out screen

      Pulse generation

      (Refer to waveform 2)
      d1-7 (CGND) - Body ground G - Body ground Camera ground Always Below 1 Ω

      If the result is not as specified, the television camera assembly may be malfunctioning.

    5. B000UQ2C04
      *a Waveform 1 (camera lens not covered, displaying image)
      *b Waveform 2 (camera lens covered, blacking out screen)
      *c Synchronization Signal
      *d Video Waveform

      Reference (Oscilloscope waveform):


      1. Waveform 1 (camera lens is not covered, displaying an image)

        Item Content
        Measurement terminal d1-4 (CV+) - d1-3 (CV-)
        Measurement setting 200 mV/DIV., 50 μs./DIV.
        Condition Engine running, shift position in R, camera lens not covered, displaying image

        Tech Tips


        • The video waveform changes according to the image sent by the television camera assembly.

        • The video waveform is constantly output when the engine switch is on (ACC).

      2. Waveform 2 (camera lens is covered, blacking out the screen)

        Item Content
        Measurement terminal d1-4 (CV+) - d1-3 (CV-)
        Measurement setting 200 mV/DIV., 50 μs./DIV.
        Condition Engine running, shift position in R, camera lens covered, blacking out screen

        Tech Tips


        • The video waveform changes according to the image sent by the television camera assembly.

        • The video waveform is constantly output when the engine switch is on (ACC).

  2. MULTI-DISPLAY

    Click here