PARKING ASSIST MONITOR SYSTEM TERMINALS OF ECU


  1. PARKING ASSIST ECU

    A015Z47E03

    1. Disconnect the J93 connector from the ECU.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      J93-1 (+B) - J93-8 (GND1) R - W-B Power source signal Always 11 to 14 V
      J93-8 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      J93-3 (IG) - J93-8 (GND1) B - W-B IG power source signal Engine switch on (IG) 11 to 14 V
      J93-4 (ACC) - J93-8 (GND1) BE - W-B ACC power source signal Engine switch on (ACC) 11 to 14 V

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

    3. Reconnect the J93 connector to the ECU.

    4. Measure the voltage and check for pulses according to the value(s) in the table below.

      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 in R

      		 11 to 14 V
      J92-6 (CANL) - J93-8 (GND1) W - W-B CAN communication signal CAN communication circuit Pulse generation
      J92-7 (CANH) - J93-8 (GND1) L - W-B CAN communication signal CAN communication circuit Pulse generation
      J92-28 (TX-) - J92-29 (TX+) R - BR AVC-LAN communication signal - -
      J92-19 (CV-) - J93-8 (GND1) W - W-B Rear television camera ground Always Below 1 V
      J92-20 (CV+) - J93-8 (GND1) R - W-B Rear television camera display signal (NTSC) input

      Engine switch on (IG)

      Shift lever in R

      Camera lens not covered, displaying an image

      Pulse generation

      (See waveform 1)

      Engine switch on (IG)

      Shift lever in R

      Camera lens covered, blacking out screen

      Pulse generation

      (See waveform 2)
      J92-39 (CGND) - J93-8 (GND1) Shield - W-B Rear television camera ground (shield) Always Below 1 V
      J92-40 (CB+) - J93-8 (GND1) B - W-B Power source to rear television camera

      Engine switch on (IG)

      Shift lever in R

      		 5.8 to 7.0 V

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

    5. A016195E01
      Text in Illustration
      *1 Waveform 1 (camera lens not covered, displaying an image)
      *2 Waveform 2 (camera lens covered, blacking out the screen)
      *3 Synchronization Signal
      *4 Video Waveform

      Reference (Oscilloscope waveform):


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

        Item Content
        Terminal No. (Symbol) J92-20 (CV+) - J93-8 (GND1)
        Tool Setting 200 mV/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), shift lever in R

        Tech Tips

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

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

        Item Content
        Terminal No. (Symbol) J92-20 (CV+) - J93-8 (GND1)
        Tool Setting 200 mV/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), shift lever in R

        Tech Tips

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

  2. REAR TELEVISION CAMERA ASSEMBLY

    A0161OCE28

    1. Disconnect the Q43 connector from the rear television camera assembly.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q43-3 (CGND) - Body ground Shield - Body ground Ground Always Below 1 V
      Q43-4 (CB+) - Q43-3 (CGND) B - Shield Power source

      Engine switch on (IG)

      Shift lever in R

      		 5.5 to 7.0 V

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

    3. Reconnect the Q43 connector to the rear television camera assembly.

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

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

      Engine switch on (IG)

      Shift lever in R

      Camera lens not covered, displaying an image

      Pulse generation

      (See waveform 1)

      Engine switch on (IG)

      Shift lever in R

      Camera lens covered, blacking out screen

      Pulse generation

      (See waveform 2)

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

    5. A016195E01
      Text in Illustration
      *1 Waveform 1 (camera lens not covered, displaying an image)
      *2 Waveform 2 (camera lens covered, blacking out the screen)
      *3 Synchronization Signal
      *4 Video Waveform

      Reference (Oscilloscope waveform):


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

        Item Content
        Terminal No. (Symbol) Q43-2 (CV+) - Q43-1 (CV-)
        Tool Setting 200 mV/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), shift lever in R

        Tech Tips

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

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

        Item Content
        Terminal No. (Symbol) Q43-2 (CV+) - Q43-1 (CV-)
        Tool Setting 200 mV/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), shift lever in R

        Tech Tips

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

  3. DISPLAY AND NAVIGATION MODULE DISPLAY (for HDD) Click here

  4. DISPLAY AND NAVIGATION MODULE DISPLAY (for DVD) Click here