PARKING ASSIST MONITOR SYSTEM(for Navigation Receiver Type) TERMINALS OF ECU

  1. REAR TELEVISION CAMERA ASSEMBLY

    1. E240561N07

      Disconnect the U6 television camera assembly.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      U6-6 (CB+) - Body ground

      B - Body ground

      Power source

      Ignition switch ON Shift lever in R

      5.5 to 7.05 V

      U6-1 (CURT) - Body ground

      W - Body ground

      Ground

      Always

      Below 1 Ω

    3. Reconnect the U6 television camera assembly connector.

    4. Check for pulses between each terminal of the connector.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      U6-3 (CV+) - U6-2 (CV-)

      W - R

      Video signal

      Ignition switch ON

      Shift lever in R

      Camera lens not covered, displaying an image

      Pulse generation (See waveform 1)

      Ignition switch ON

      Shift lever in R

      Camera lens covered, blacking out screen

      Pulse generation (See waveform 2)
      Tip:

      A waterproof connector is used for the television camera assembly. Therefore, inspect the waveform at the navigation ECU sub-assembly with the connector connected. If the result is not as specified, the television camera assembly may have a malfunction.

    5. E265840C03

      *a

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

      *b

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

      *c

      Synchronization Signal

      *d

      Video Waveform

      Reference (Oscilloscope waveform):

      Tip:

      A waterproof connector is used for the television camera assembly. Therefore, inspect the waveform at the navigation ECU sub-assembly with the connector connected.

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

        Item

        Content

        Terminal No. (Symbol)

        U6-3 (CV+) - U6-5 (CGND)

        Tool Setting

        200 mV/DIV., 50 μsec./DIV.

        Condition

        Ignition switch ON, shift lever in R
        Tip:

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

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

        Item

        Content

        Terminal No. (Symbol)

        U6-3 (CV+) - U6-5 (CGND)

        Tool Setting

        200 mV/DIV., 50 μsec./DIV.

        Condition

        Ignition switch ON, shift lever in R
        Tip:

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

  2. NAVIGATION ECU SUB-ASSEMBLY

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