REAR VIEW MONITOR SYSTEM(except Sedan) TERMINALS OF ECU

  1. REAR TELEVISION CAMERA ASSEMBLY

    1. Disconnect the Q5 rear television camera assembly connector.

      E267064N01

    2. Measure the voltage of each terminal of the wire harness side connector.

      Terminal No. (Symbol)

      Wiring Color

      Terminal Description

      Condition

      Specified Condition

      Q5-6 (CB+) - Body ground

      R - Body ground

      Power source

      Ignition switch 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 Q5 rear 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

      Q5-3 (CV+) - Q5-2 (CV-)

      B - W

      Video signal

      Ignition switch ON

      Shift lever in R

      Camera lens not covered, displaying an image

      Pulse generation

      (Refer to waveform 1)

      Ignition switch ON

      Shift lever in R

      Camera lens covered, blacking out the screen

      Pulse generation

      (Refer to waveform 2)

      Q5-5 (CGND) - Body ground

      BR - Body ground

      Shield ground

      Always

      Below 1 V
      Tip:

      A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected.

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

    5. E265840C01

      *a

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

      *b

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

      *c

      Synchronization Signal

      *d

      Video Waveform

      Reference (Oscilloscope waveform):

      Tip:

      A waterproof connector is used for the rear television camera assembly. Therefore, inspect the waveform at the radio and display receiver assembly with the connector connected.

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

        Item

        Content

        Measurement terminal

        Q5-3 (CV+) - Q5-2 (CV-)

        Measurement setting

        200 mV/DIV., 50 μs./DIV.

        Condition

        Ignition switch ON, shift lever in R
        Tip:

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

        • The video waveform is constantly output when the ignition switch is turned to ACC.

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

        Item

        Content

        Measurement terminal

        Q5-3 (CV+) - Q5-2 (CV-)

        Measurement setting

        200 mV/DIV., 50 μs./DIV.

        Condition

        Ignition switch ON, shift lever in R
        Tip:

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

        • The video waveform is constantly output when the ignition switch is turned to ACC.

  2. RADIO AND DISPLAY RECEIVER ASSEMBLY

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