PANORAMIC VIEW MONITOR SYSTEM TERMINALS OF ECU


  1. PARKING ASSIST ECU

    B002I5YN03

    1. Disconnect the P19 parking assist ECU connector.

    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
      P19-2 (+B) - P19-3 (GND1) L - W-B Power source signal Power switch off 10 to 16 V
      P19-3 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      P19-6 (IG) - P19-3 (GND1) G - W-B IG power source signal Power switch on (IG) 10 to 16 V
      Power switch off Below 1 V
      P19-1 (ACC) - P19-3 (GND1) L - W-B ACC power source signal Power switch on (ACC) 10 to 16 V
      Power switch off Below 1 V

    3. Reconnect the P19 parking assist ECU connector.

    4. Measure the voltage, resistance and waveform according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      P19-12 (TX-) W AVC-LAN communication signal - -
      P19-13 (TX+) L AVC-LAN communication signal - -
      P18-12 (CV+) - P18-13 (CGND) R - Shielded Rear television camera display signal input Power switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) on, camera lens not covered, displaying image Pulse generation (See waveform 1)
      Power switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) on, camera lens covered, blacking out screen Pulse generation (See waveform 2)
      P18-14 (CB+) - P18-13 (CGND) B - Shielded Power source to rear television camera Power switch on (ACC) 5.5 to 7.05 V
      P19-20 (BLSW) - Body ground R - Body ground No. 2 combination switch assembly (panoramic view monitor main switch) switch signal Power switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) off 5.5 to 6.5 V
      Power switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) on Below 1 V
      P18-13 (CGND) - P19-3 (GND1) Shielded - W-B Rear television camera ground (shield) Always Below 1 Ω
      P18-11 (CV-) - P18-13 (CGND) W - Shielded Rear television camera ground Always Below 1 V
      P18-15 (LCV-) - P18-17 (LGND) W - Shielded Side television camera LH ground Always Below 1 Ω
      P18-16 (LCV+) - P18-17 (LGND) R - Shielded Side television camera LH display signal input Power switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) on, camera lens not covered, displaying image Pulse generation (See waveform 1)
      Power switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) on, camera lens covered, blacking out screen Pulse generation (See waveform 2)
      P18-17 (LGND) - P19-3 (GND1) Shielded - W-B Side television camera LH ground (shield) Always Below 1 Ω
      P18-18 (LCB+) - P18-17 (LGND) B - Shielded Power source to side television camera LH Power switch on (ACC) 5.5 to 7.05 V
      P18-23 (BCV-) - P18-25 (BGND) W - Shielded Front television camera ground Always Below 1 Ω
      P18-24 (BCV+) - P18-25 (BGND) R - Shielded Front television camera display signal input Waveform 1: Power switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) on, camera lens not covered, displaying image Pulse generation (See waveform 1)
      Waveform 2: Power switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) on, camera lens covered, blacking out screen Pulse generation (See waveform 2)
      P18-25 (BGND) - P19-3 (GND1) Shielded - W-B Front television camera ground (shield) Always Below 1 Ω
      P18-26 (BCB+) - P18-25 (BGND) B - Shielded Power source to front television camera Power switch on (ACC) 5.5 to 7.05 V
      P18-27 (RCV-) - P18-29 (RGND) W - Shielded Side television camera RH ground Always Below 1 Ω
      P18-28 (RCV+) - P18-29 (RGND) R - Shielded Side television camera RH display signal input Waveform 1: Power switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) on, camera lens not covered, displaying image Pulse generation (See waveform 1)
      Waveform 2: Power switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) on, camera lens covered, blacking out screen Pulse generation (See waveform 2)
      P18-29 (RGND) - P19-3 (GND1) Shielded - W-B Side television camera RH ground (shield) Always Below 1 Ω
      P18-30 (RCB+) - P18-29 (RGND) B - Shielded Power source to side television camera RH Power switch on (ACC) 5.5 to 7.05 V

    5. Using an oscilloscope, check the waveform.

      B002H0ZC01
      *a Waveform 1 *b Waveform 2
      *c Synchronization Signal *d Video Waveform

      1. Waveform 1

        Measurement Condition
        Item Content
        Terminal No. (Symbol)

        • P18-12 (CV+) - P18-13 (CGND)

        • P18-16 (LCV+) - P18-17 (LGND)

        • P18-24 (BCV+) - P18-25 (BGND)

        • P18-28 (RCV+) - P18-29 (RGND)
        Tool Setting 200 mV/DIV., 50 μsec./DIV.
        Condition

        • Waveform 1: Power switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) on, camera lens not covered, displaying image

        • Waveform 2: Power switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) on, camera lens covered, blacking out screen

        Tech Tips

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

  2. RADIO RECEIVER ASSEMBLY (except 8 Speakers)

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  3. RADIO RECEIVER ASSEMBLY (for 8 Speakers)

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