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Terminals Of Ecu

  1. TELEVISION CAMERA ASSY: 
    Fig 1: Identifying Terminals Of ECU - Television Camera Assy
    G02964038Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TELEVISION CAMERA ASSY

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified value
    CV- (T17-1) - CGND (T17-3) W - BR Display signal (-) Always Below 1.0 ohms
    CV+ (T17-2) - CGND (T17-3) B - BR Display signal (+) IG switch ON, shift lever R position Signal waveform 1
    CGND (T17-3) - Body ground BR - Body ground Power ground Always Below 1.0 ohms
    CB+ (T17-4) - CGND (T17-3) W - BR Power source IG switch ON, shift lever R position 6 V
    1. Reference:

      Oscilloscope waveform

      1. Waveform 1
        WAVEFORM 1

        Item Content
        Measure terminal CV+ - CV-
        Measure set 0.2 V/DIV, 0.2 mu S/DIV
        Condition Ignition switch: ON, Shift lever: R position
        Fig 2: Identifying Waveform 1
        G02964039Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. TELEVISION CAMERA ECU: 
    Fig 3: Identifying Terminals Of ECU - Television Camera ECU
    G02964040Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TELEVISION CAMERA ECU

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified value
    +B (T18-1) - GND (T18-6) W-R - W-B Battery supply Always 10 to 14 V
    IG (T18-2) - GND (T18-6) B-R - W-B IG signal input IG switch ON 10 to 14 V
    ACC (T18-3) - GND (T18-6) GR - W-B ACC signal input IG switch ON or ACC 10 to 14 V
    GND (T18-6) - Body ground W-B - Body ground Power ground Always Below 1.0 ohms
    REV (T18-11) - GND (T18-6) R-B - W-B Reverse signal input IG switch ON, shift lever R position 10 to 14 V
    BCTY (T18-23) - Body ground R-L - Body ground Back door courtesy switch signal input Back door is opened. 10 to 14 V
    VG (T19-7) - GND (T18-6) BR - W-B Display signal output ground (Shielded) Always Below 1.0 ohms
    R (T19-8) - GND (T18-6) B - W-B Display signal output (Red) While displaying map or back monitor Signal waveform 2
    G (T19-9) - GND (T18-6) W - W-B Display signal output (Green) While displaying map or back monitor Signal waveform 2
    B (T19-10) - GND (T18-6) R - W-B Display signal output (Blue) While displaying map or back monitor Signal waveform 2
    B1 (T19-13) - GND (T18-6) R - W-B Display signal input (Blue) While displaying map Signal waveform 2
    G1 (T19-14) - GND (T18-6) W - W-B Display signal input (Green) While displaying map Signal waveform 2
    R1 (T19-15) - GND (T18-6) B - W-B Display signal input (Red) While displaying map Signal waveform 2
    VG1 (T19-16) - GND (T18-6) BR - W-B Display signal input ground (Shielded) Always Below 1.0 ohms
    TX+ (T19-17) P AVC-LAN control bus See "Service check mode" -
    TX- (T19-18) L AVC-LAN control bus See "Service check mode" -
    SYNC (T19-19) - GND (T18-6) G - W-B Synchronized signal output While displaying map or back monitor Signal waveform 3
    VR (T19-20) - GND (T18-6) Y - W-B Display signal output ground Always Below 1.0 ohms
    VR1 (T19-21) - GND (T18-6) Y - W-B Display signal input ground Always Below 1.0 ohms
    SYN1 (T19-22) - GND (T18-6) G - W-B Synchronized signal input While displaying map Signal waveform 3
    TX1- (T19-23) L AVC-LAN control bus See "Service check mode" -
    TX1+ (T19-24) P AVC-LAN control bus See "Service check mode" -
    CGND (T20-21) GND (T18-6) BR - W-B Back camera ground Always Below 1.0 ohms
    CB+ (T20-22) - GND (T18-6) R - W-B Power source to back camera IG switch ON, shift lever R position 6 V
    CV - (T20-29) - GND (T18-6) W - W-B Back camera ground (Shielded) Always Below 1.0 ohms
    CV+ (T20-30) - GND (T18-6) B - W-B Display signal of back camera input IG switch ON, shift lever R position Signal waveform 1
    1. Reference:

      Oscilloscope waveform

      1. Waveform 1
        WAVEFORM 1

        Item Content
        Measure terminal CV+ - GND
        Measure set 0.2 V/DIV, 0.2 nS/DIV
        Condition Ignition switch: ON, Shift lever: R position
        Fig 4: Identifying Waveform 1
        G02964041Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Waveform 2
        WAVEFORM 2

        Item Content
        Terminal R, G, B, R1, G1, B1.-GND
        Measure set 200 mV/DIV, 10 nS/DIV
        Condition Image is being displayed (Parking assist system or navigation system).
        Fig 5: Identifying Waveform 2
        G02964042Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Waveform 3
        WAVEFORM 3

        Item Content
        Terminal SYNC, SYN1 - GND
        Measure set 500 mV/DIV, 10 nS/DIV
        Condition Image is being displayed (Parking assist system or navigation system).
        Fig 6: Identifying Waveform 3
        G02964043Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002