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Terminals Of Ecu

  1. MULTI-DISPLAY: 
    Fig 1: Identifying ECU Connector Terminals
    G05204880Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    ECU CONNECTOR TERMINALS REFERENCE

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    ILL+ (M3-1) - GND1 (M3-3) G - W - B Illumination signal Turn light control switch OFF → TAIL or HEAD (Light intensity is max.) Below 1 V → 10 to 14 V
    ILL- (M3-2) - Body ground B - Body ground Illumination (rheostat) signal Turn light control switch OFF → TAIL or HEAD (Light intensity is max.) Below 1 V → 10 to 14 V
    GND1 (M3-3) - Body ground W-B - Body ground Ground Always Below 1 V
    TX1+ (M3-4) - GND1 (M3-3) SB - W-B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    TX1- (M3-5) - GND1 (M3-3) BR - W-B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    TC (M3-7) - GND1 (M3-3) P - W - B Diagnosis ON signal Turn ignition switch to ON 9 to 14 V
    HAZ (M3-8) - GND1 (M3-3) R - W - B Hazard switch Hazard light ON → Hazard light OFF 10 to 14 V → Below 1 V
    ILL+ (M3-9) - GND1 (M3-3) G - W - B Hazard switch illumination signal Turn light control switch OFF ↔ TAIL or HEAD (Light intensity is max.) Below 1 V → 10 to 14 V
    IG (M3-10) - GND1 (M3-3) O - W - B Ignition (ON) Turn ignition switch OFF → ON Below 1 V → 10 to 14 V
    ACC (M3-11) - GND1 (M3-3) BR - W - B Accessory (ON) Turn ignition switch OFF → ACC or ON Below 1 V → 10 to 14 V
    +B1 (M3-12) - GND1 (M3-3) V - W - B Battery Always 10 to 14 V
    PKB (M3-16) - GND1 (M3-3) Y - W - B Parking brake signal Turn parking brake switch ON → OFF Below 1 V → 10 to 14 V
    ILL- (M3-20) - GND1 (M3-3) B - W - B Hazard switch illumination signal Turn light control switch OFF → TAIL or HEAD (Light intensity is max.) Below 1 V → 10 to 14 V
    PBEW (M3-21) - GND1 (M3-3) LG - W - B Passenger seat belt warning Indicator OFF → ON Below 1 V → 10 to 14 V
    SPD (M3-25) - GND1 (M3-3) W - W - B Speed signal from combination meter See "vehicle signal check mode" (See SYSTEM NORMAL CONDITION CHECK  ) -
    TX3+ (M4-11) - GND1 (M3-3) BR - W - B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    TX3- (M4-12) - GND1 (M3-3) L - W - B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    TX+ (M4-13) - GND1 (M3-3) LG - W - B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    TX- (M4-14) - GND1 (M3-3) O - W - B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    VR (M4-23) - GND1 (M3-3) B - W - B Video return signal Turn ignition switch OFF Below 1 V
    R (M4-24) - GND1 (M3-3) W - W - B Display signal (red) Navigation display is on A waveform synchronized with display signals is output
    G (M4-25) - GND1 (M3-3) R - W - B Display signal (green) Navigation display is on A waveform synchronized with display signals is output
    B (M4-26) - GND1 (M3-3) G - W - B Display signal (blue) Navigation display is on A waveform synchronized with display signals is output
    SYNC (M4-27) - GND1 (M3-3) Y - W - B Display signal (synchronize) Navigation display is on A waveform synchronized with display signals is output
    VG (M4-28) - Body ground Shielded - Body ground Shielded ground Always Below 1 V
    NTSC (M5-1) - GND1 (M3-3) (1) G - W - B Display signal DVD is playing on multi-display A waveform synchronized with display signals is output
    SGD1 (M5-4) - Body ground (1) R - Body ground Shielded ground Always Below 1 V
    SGND (M5-5) - Body ground (1) Shielded - Body ground Shielded ground Always Below 1 V
    (1) With Rear Seat Entertainment System
  2. NAVIGATION ECU: 
    Fig 2: Identifying ECU Connector Terminals
    G05204881Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    ECU CONNECTOR TERMINALS REFERENCE

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    AUI+ (N3-1) - GND1 (N3-17) LG - W - B Sound signal (input) Audio system is playing A waveform synchronized with sounds is output
    AUO+ (N3-2) - GND1 (N3-17) G - W - B Sound signal (output) Audio system is playing A waveform synchronized with sounds is output
    SPD (N3-5) - GND1 (N3-17) O - W - B Speed signal from combination meter See "Vehicle Sensor" (See DISPLAY CHECK MODE  ) -
    +B (N3-9) - GND1 (N3-17) W - W - B Battery Always 10 to 14 V
    AUI- (N3-10) - GND1 (N3-17) R - W - B Sound signal (input) Audio system is playing A waveform synchronized with sounds is output
    AUO- (N3-11) - GND1 (N3-17) B - W - B Sound signal (output) Audio system is playing A waveform synchronized with sounds is output
    REV (N3-14) - GND1 (N3-17) Y - W - B Reverse signal from park/ neutral position switch Park/neutral position switch is "R" position 10 to 14 V
    GND1 (N3-17) - Body ground W - B - Body ground Ground Always Below 1 V
    ACC (N3-18) - GND1 (N3-17) GR - W - B Accessory (ON) Turn ignition switch OFF → ACC or ON Below 1 V → 10 to 14 V
    VR (N4-1) - GND1 (N3-17) B - W - B Video return signal Turn ignition switch OFF Below 1 V
    R (N4-2) - GND1 (N3-17) W - W - B Display signal (red) Navigation display is on A waveform synchronized with display signals is output
    B (N4-3)-GND1 (N3-17) G - W - B Display signal (blue) Navigation display is on A waveform synchronized with display signals is output
    TX+ (N4-5) - GND1 (N3-17) SB - W - B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    VG (N4-6) - Body ground Shielded - Body ground Shielded ground Always Below 1 V
    G (N4-7) - GND1 (N3-17) R - W - B Display signal (green) Navigation display is on A waveform synchronized with display signals is output
    SYNC (N4-8) - GND1 (N3-17) Y - W - B Display signal (synchronize) Navigation display is on A waveform synchronized with display signals is output
    TX- (N4-10) - GND1 (N3-17) BR - W - B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
  3. NETWORK GATEWAY ECU: 
    Fig 3: Identifying Network Gateway ECU Connector Terminals
    G05204882Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    ECU CONNECTOR TERMINALS REFERENCE

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    IG (G5-1) - GND (G5-24) B - W - B Ignition (ON) Turn ignition switch OFF → ON Below 1 V → 10 to 14 V
    GTX+ (G5-6) - GND (G5-24) BR - W - B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    BATT (G5-10) - GND (G5-24) LG - W - B Battery Always 10 to 14 V
    ACC (G5-2) - GND (G5-24) SB - W - B Accessory (ON) Turn ignition switch OFF → ACC or ON Below 1 V → 10 to 14 V
    GTX- (G5-21) - GND (G5-24) L - W - B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    GND (G5-24) - Body ground W - B - Body ground Ground Always Below 1 V
  4. RADIO RECEIVER  (See TERMINALS OF ECU )
  5. MULTI-DISPLAY CONTROLLER  (See TERMINALS OF ECU )
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