PARKING ASSIST MONITOR SYSTEM TERMINALS OF ECU


  1. TELEVISION CAMERA ASSEMBLY


    1. Disconnect the Q43 camera connector.

      A0161OCE04

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q43-3 (CGND) - Body ground W - Body ground Ground Always Below 1 Ω
      Q43-4 (CB+) - Q43-3 (CGND) B - W Power source Engine switch on (IG), shift lever in R 5.5 to 6.5 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 waveform between each terminal of the connector.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q43-2 (CV+) - Q43-1 (CV-) R - Shielded Display signal

      Engine switch on (IG)

      Shift lever in R

      Under normal conditions

      		 Refer to waveform 1
      Q43-2 (CV+) - Q43-1 (CV-) R - Shielded Display signal

      Engine switch on (IG)

      Shift lever in R

      Camera lens covered, blacking out screen

      		 Refer to waveform 2

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

    5. Reference (Oscilloscope waveform):


      1. A01623IE01

        Waveform 1 (under normal conditions)

        Item Content
        Measurement terminal Q43-2 (CV+) - Q43-1 (CV-)
        Measurement setting 0.2 V/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), shift lever in R

        Tech Tips

        The cycle is approximately 63.6 μsec and the waveform is almost entirely longitudinal.

      2. A015ZAFE01

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

        Item Content
        Measurement terminal Q43-2 (CV+) - Q43-1 (CV-)
        Measurement setting 0.2 V/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), shift lever in R

        Tech Tips

        The cycle is approximately 63.6 μsec and the waveform is almost flat.

  2. TELEVISION CAMERA ECU


    1. Disconnect the J92 and J93 connectors.

      A016206E12

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J92-3 (REV) - J93-8 (GND1) Y - W-B Reverse signal Engine switch on (IG), shift lever except in R Below 1 V
      J92-3 (REV) - J93-8 (GND1) Y - W-B Reverse signal Engine switch on (IG), shift lever in R 11 to 14 V
      J92-6 (CANL) - J92-7 (CANH) W - L CAN control bus Always Pulse generation
      J93-1 (+B) - J93-8 (GND1) R - W-B Power source Always 11 to 14 V
      J93-3 (IG) - J93-8 (GND1) B - W-B IG signal input Engine switch on (IG) 11 to 14 V
      J93-4 (ACC) - J93-8 (GND1) O - W-B Accessory (ON) Engine switch off Below 1 V
      J93-4 (ACC) - J93-8 (GND1) O - W-B Accessory (ON) Engine switch on (ACC) 11 to 14 V
      J93-8 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V

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

    3. Reconnect the J92 and J93 connectors.

    4. Measure the voltage and waveform between each terminal of the connector.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J92-19 (CV-) - J93-8 (GND1) Shielded - W-B Television camera ground (Shielded) Always Below 1 V
      J92-20 (CV+) - J92-19 (CV-) R - Shielded Television camera display signal input

      Engine switch on (IG)

      Shift lever in R

      Under normal conditions

      		 Refer to waveform 1
      J92-20 (CV+) - J92-19 (CV-) R - Shielded Television camera display signal input

      Engine switch on (IG)

      Shift lever in R

      Camera lens covered, blacking out screen

      		 Refer to waveform 2
      J92-28 (TX-) - J92-29 (TX+) R - BR AVC-LAN communication signal Engine switch on (ACC) 2 to 3 V
      J92-39 (CGND) - J93-8 (GND1) W - W-B Television camera ground Always Below 1 V
      J92-40 (CB+) - J93-8 (GND1) B - W-B Power source to television camera Engine switch on (IG), shift lever in R 5.5 to 6.5 V
      J101-1 (GVI+) - J93-8 (GND1) B - W-B Digital image signal (Input) Navigation display is on Pulse generation
      J101-2 (GVI-) - J93-8 (GND1) B - W-B Digital image signal (Input) Navigation display is on Pulse generation
      J101-3 (GVG2) - Body ground B - Body ground Ground Always Below 1 V
      J103-1 (GVO+) - J93-8 (GND1) B - W-B Digital image signal (Output) Navigation or television camera display is on Pulse generation
      J103-2 (GVO-) - J93-8 (GND1) B - W-B Digital image signal (Output) Navigation or television camera display is on Pulse generation
      J103-3 (GVG1) - Body ground B - Body ground Ground Always Below 1 V

    5. Reference (Oscilloscope waveform):


      1. A01623IE01

        Waveform 1 (under normal conditions)

        Item Content
        Measurement terminal J92-20 (CV+) - J92-19 (CV-)
        Measurement setting 0.2 V/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), Shift lever in R

        Tech Tips

        The cycle is approximately 63.6 μsec and the waveform is almost entirely longitudinal.

      2. A015ZAFE01

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

        Item Content
        Measurement terminal J92-20 (CV+) - J92-19 (CV-)
        Measurement setting 0.2 V/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), Shift lever in R

        Tech Tips

        The cycle is approximately 63.6 μsec and the waveform is almost flat.

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