PANORAMIC VIEW MONITOR SYSTEM TERMINALS OF ECU

  1. C280359N05

    PARKING ASSIST ECU

    1. Disconnect the a2 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

      a2-2 (+B) - a2-3 (GND1)

      SB - BR

      Power source signal

      Power switch off

      11 to 14 V

      a2-3 (GND1) - Body ground

      BR - Body ground

      Ground

      Always

      Below 1 Ω

      a2-6 (IG) - a2-3 (GND1)

      G - BR

      IG power source signal

      Power switch on (IG)

      11 to 14 V

      Power switch off

      Below 1 V

      a2-1 (ACC) - a2-3 (GND1)

      GR - BR

      ACC power source signal

      Power switch on (ACC)

      11 to 14 V

      Power switch off

      Below 1 V

    3. Reconnect the a2 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

      a2-9 (TX-)

      P

      AVC-LAN communication signal

      -

      -

      a2-10 (TX+)

      SB

      AVC-LAN communication signal

      -

      -

      a1-1 (CV+) - a1-9 (CGND)

      W - Shielded

      Rear television camera display signal input

      Power switch on (IG), telltale light assembly (panoramic view monitor main switch) on, camera lens not covered, displaying image

      Pulse generation (See waveform 1)

      Power switch on (IG), telltale light assembly (panoramic view monitor main switch) on, camera lens covered, blacking out screen

      Pulse generation (See waveform 2)

      a1-3 (CB+) - a1-9 (CGND)

      B - Shielded

      Power source to rear television camera

      Power switch on (IG)

      5.5 to 7.05 V

      a2-20 (BLSW) - Body ground

      BE - Body ground

      Telltale light assembly (panoramic view monitor main switch) switch signal

      Power switch on (IG), telltale light assembly (panoramic view monitor main switch) off

      5.5 to 6.5 V

      Power switch on (IG), telltale light assembly (panoramic view monitor main switch) on

      Below 1 V

      a1-9 (CGND) - a2-3 (GND1)

      Shielded - BR

      Rear television camera ground (shield)

      Always

      Below 1 Ω

      a1-2 (CV-) - a1-9 (CGND)

      R - Shielded

      Rear television camera ground

      Always

      Below 1 Ω

      a1-11 (LCV-) - a1-24 (LGND)

      W - BR

      Side television camera LH ground

      Always

      Below 1 Ω

      a1-10 (LCV+) - a1-24 (LGND)

      R - BR

      Side television camera LH display signal input

      Power switch on (IG), telltale light assembly (panoramic view monitor main switch) on, camera lens not covered, displaying image

      Pulse generation (See waveform 1)

      Power switch on (IG), telltale light assembly (panoramic view monitor main switch) on, camera lens covered, blacking out screen

      Pulse generation (See waveform 2)

      a1-24 (LGND) - a2-3 (GND1)

      BR - BR

      Side television camera LH ground (shield)

      Always

      Below 1 Ω

      a1-12 (LCB+) - a1-24 (LGND)

      B - BR

      Power source to side television camera LH

      Power switch on (IG)

      5.5 to 7.05 V

      a1-14 (BCV-) - a1-27 (BGND)

      R - BR

      Front television camera ground

      Always

      Below 1 Ω

      a1-13 (BCV+) - a1-27 (BGND)

      W - BR

      Front television camera display signal input

      Waveform 1: Power switch on (IG), telltale light assembly (panoramic view monitor main switch) on, camera lens not covered, displaying image

      Pulse generation (See waveform 1)

      Waveform 2: Power switch on (IG), telltale light assembly (panoramic view monitor main switch) on, camera lens covered, blacking out screen

      Pulse generation (See waveform 2)

      a1-27 (BGND) - a2-3 (GND1)

      BR - BR

      Front television camera ground (shield)

      Always

      Below 1 Ω

      a1-15 (BCB+) - a1-27 (BGND)

      B - BR

      Power source to front television camera

      Power switch on (IG)

      5.5 to 7.05 V

      a1-5 (RCV-) - a1-18 (RGND)

      R - BR

      Side television camera RH ground

      Always

      Below 1 Ω

      a1-4 (RCV+) - a1-18 (RGND)

      W - BR

      Side television camera RH display signal input

      Waveform 1: Power switch on (IG), telltale light assembly (panoramic view monitor main switch) on, camera lens not covered, displaying image

      Pulse generation (See waveform 1)

      Waveform 2: Power switch on (IG), telltale light assembly (panoramic view monitor main switch) on, camera lens covered, blacking out screen

      Pulse generation (See waveform 2)

      a1-18 (RGND) - a2-3 (GND1)

      BR - BR

      Side television camera RH ground (shield)

      Always

      Below 1 Ω

      a1-6 (RCB+) - a1-18 (RGND)

      B - BR

      Power source to side television camera RH

      Power switch on (IG)

      5.5 to 7.05 V

    5. Using an oscilloscope, check the waveform.

      E254326C01

      *a

      Waveform 1

      *b

      Waveform 2

      *c

      Synchronization Signal

      *d

      Video Waveform

      1. Waveform 1

        Table 1. Measurement Condition

        Item

        Content

        Terminal No. (Symbol)

        • a1-1 (CV+) - a1-9 (CGND)

        • a1-10 (LCV+) - a1-24 (LGND)

        • a1-13 (BCV+) - a1-27 (BGND)

        • a1-4 (RCV+) - a1-18 (RGND)

        Tool Setting

        200 mV/DIV., 50 μsec./DIV.

        Condition

        • Waveform 1: Power switch on (IG), telltale light assembly (panoramic view monitor main switch) on, camera lens not covered, displaying image

        • Waveform 2: Power switch on (IG), telltale light assembly (panoramic view monitor main switch) on, camera lens covered, blacking out screen
        Tip:

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

  2. RADIO AND DISPLAY RECEIVER ASSEMBLY (w/ Navigation System)

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  3. RADIO AND DISPLAY RECEIVER ASSEMBLY (w/ Audio and Visual System [for Radio and Display Type])

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