LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2007 >> LX 470 >> Repair and Diagnosis >> Accessories & Equipment >> Warning Systems >> Park Assist / Monitoring >> Rear View Monitor System >> Terminals Of Ecu

Terminals Of Ecu

  1. TELEVISION CAMERA ASSEMBLY 
    Fig 1: Identifying Television Camera Assembly Terminals
    G04065407Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TELEVISION CAMERA ASSEMBLY TERMINALS RESISTANCE SPECIFICATION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    CV- (T30-1) - CGND (T30-3) BR - W Display signal (-) Always Below 1 Ω
    CV+ (T30-2) - CGND (T30-3) R - W Display signal (+) Ignition switch ON, shift lever R position Signal waveform 1
    CGND (T30-3) - Body ground W - Body ground Power ground Always Below 1 Ω
    CB+ (T30-4) - CGND (T30-3) B - W Power source Ignition switch ON, shift lever R position 6 V
    1. Reference:

      Oscilloscope waveform

      1. Waveform 1
    ITEM AND CONTENT REFERENCE

    Item Content
    Measure terminal CV+ - CGND
    Measure set 0.2 V/DIV., 0.2 μsec./DIV
    Condition Ignition switch: ON, shift lever: R position
    Fig 2: Signal Waveform Graph
    G04065408Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. TELEVISION CAMERA ECU 
Fig 3: Identifying Television Camera ECU Terminals
G04065409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TELEVISION CAMERA ECU TERMINALS VOLTAGE AND RESISTANCE SPECIFICATION

Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
+B (T32-1) - GND1 (T32-8) L-Y - W-B Battery supply Always 10 to 14 V
Ignition (T32-2) - GND1 (T32-8) B-W - W-B Ignition signal input Ignition switch ON 10 to 14 V
ACC (T32-5) - GND1 (T32-8) GR - W-B ACC signal input Ignition switch ON or ACC 10 to 14 V
GND1 (T32-8) - Body ground W-B - Body ground Power ground Always Below 1 Ω
VG (T31-9) - GND1 (T32-8) Shielded - W-B Display signal output ground (Shielded) Always Below 1 Ω
R (T31-10) - GND1 (T32-8) Y - W-B Display signal output (Red) While displaying map or rear view monitor Signal waveform 2
G (T31-11) - GND1 (T32-8) W - W-B Display signal output (Green) While displaying map or rear view monitor Signal waveform 2
B (T31-12) - GND1 (T32-8) R - W-B Display signal output (Blue) While displaying map or rear view monitor Signal waveform 2
B1 (T31-13) - GND1 (T32-8) R - W-B Display signal input (Blue) While displaying map Signal waveform 2
G1 (T31-14) - GND1 (T32-8) W - W-B Display signal input (Green) While displaying map Signal waveform 2
R1 (T31-15) - GND1 (T32-8) Y - W-B Display signal input (Red) While displaying map Signal waveform 2
VG1 (T31-16) - GND1 (T32-8) Shielded - W-B Display signal input ground (Shielded) Always Below 1 Ω
CGND (T31-19) - GND1 (T32-8) W - W-B Television camera ground Always Below 1 Ω
CB+ (T31-20) - GND1 (T32-8) B - W-B Power source to television camera Ignition switch ON, shift lever R position 6 V
REV (T31-27) - GND1 (T31-6) R-B - W-B Reverse signal input Ignition switch ON, shift lever R position 10 to 14 V
TX+ (T31-29) P AVC-LAN control bus See "Service check mode" -
TX- (T31-30) L-B AVC-LAN control bus See "Service check mode" -
SYNC (T31-31) - GND1 (T32-8) G - W-B Synchronized signal output While displaying map or rear view monitor Signal waveform 3
VR (T32-32) - GND1 (T31-8) B - W-B Display signal output ground Always Below 1 Ω
VR1 (T31-33) - GND1 (T32-8) B - W-B Display signal input ground Always Below 1 Ω
SYN1 (T31-34) - GND1 (T321-8) G - W-B Synchronized signal input While displaying map Signal waveform 3
TX1- (T31-35) L-B AVC-LAN control bus See "Service check mode" -
TX1+ (T31-36) P AVC-LAN control bus See "Service check mode" -
CV- (T31-39) - GND1 (T32-8) Shielded - W-B Television camera ground (Shielded) Always Below 1 Ω
CV+ (T31-40) - GND1 (T32-8) R - W-B Display signal of television camera input Ignition switch ON, shift lever R position Signal waveform 1
  1. Reference:

    Oscilloscope waveform

    1. Waveform 1
      ITEM AND CONTENT REFERENCE

      Item Content
      Measure terminal CV+ - GND1
      Measure set 0.2 V/DIV., 0.2 μsec./DIV
      Condition Ignition switch: ON, shift lever: R position
      Fig 4: Signal Waveform Graph (Waveform 1)
      G04065410Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Waveform 2
      ITEM AND CONTENT REFERENCE

      Item Content
      Terminal R, G, B, R1, G1, B1, - GND1
      Measure set 200 mV/DIV., 10 μsec./DIV
      Condition Image is being displayed (Back guide monitor system or navigation system).
      Fig 5: Signal Waveform Graph (Waveform 2)
      G04065411Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Waveform 3
ITEM AND CONTENT REFERENCE

Item Content
Terminal SYNC, SYN1 - GND1
Measure set 500 mV/DIV., 10 μsec./DIV
Condition Image is being displayed (Back guide monitor system or navigation system).
Fig 6: Signal Waveform Graph (Waveform 3)
G04065412Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
scientia non olet · About LEMON Manuals