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Terminals Of Ecu

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  1. MULTI-DISPLAY 
    Fig 1: Identifying ECU Terminals
    G05253192Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    ECU TERMINALS REFERENCE

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    +B1 (E62-1) - GND1 (E62-10) GR - W-B Battery Always 10 to 14 V
    ACC (E62-2) - GND1 (E62-10) GR - W-B Accessory (ON) Turn engine switch off Below 1 V
    ACC (E62-2) - GND1 (E62-10) GR - W-B Accessory (ON) Turn engine switch on (ACC or IG) 10 to 14 V
    IG (E62-3) - GND1 (E62-10) B - W-B Ignition (ON) Turn engine switch off Below 1 V
    IG (E62-3) - GND1 (E62-10) B - W-B Ignition (ON) Turn engine switch on (IG) 10 to 14 V
    HILL (E62-5) - GND1 (E62-10) BR - W-B Illumination signal Turn light control switch OFF Below 1 V
    HILL (E62-5) - GND1 (E62-6) BR - W-B Illumination signal Turn light control switch ON 10 to 14 V
    TC (E62-7) - GND1 (E62-10) W - W-B Diagnosis ON signal Turn engine switch on (IG) 9 to 14 V
    HAZ (E62-8) - GND1 (E62-10) W - W-B Hazard signal Turn hazard switch OFF Below 1 V
    HAZ (E62-8) - GND1 (E62-10) W - W-B Hazard signal Turn hazard switch ON Pulse generation
    ARON (E62-9) - GND1 (E62-10) R - W-B Passenger airbag ON signal Turn engine switch on (IG), Passenger airbag on indicator light ON 10 to 14 V
    GND1 (E62-10) - Body ground W-B - Body ground Ground Always Below 1 V
    ILL- (E62-11) - GND1 (E62-10) BR - W-B Illumination signal Turn light control switch OFF Below 1 V
    ILL- (E62-11) - GND1 (E62-10) BR - W-B Illumination signal Turn light control switch ON 10 to 14 V
    ILL+ (E62-12) - GND1 (E62-10) G - W-B Illumination signal Turn light control switch OFF Below 1 V
    ILL+ (E62-12) - GND1 (E62-10) G - W-B Illumination signal Turn light control switch ON 10 to 14 V
    REV (E62-13) - GND1 (E62-10) Y - W-B Reverse signal See "Vehicle Signal Check" Mode (See DISPLAY CHECK MODE  ) -
    SPD (E62-14) - GND1 (E62-10) SB - W-B Speed signal from combination meter See "Vehicle Signal Check" Mode (See DISPLAY CHECK MODE  ) -
    AIR (E62-20) - GND1 (E62-10) B - W-B Passenger airbag OFF signal Turn engine switch on (IG), Passenger airbag off indicator light ON 10 to 14 V
    PBEW (E62-21) - GND1 (E62-10) P - W-B Passenger seat belt warning signal Turn engine switch on (IG), front passenger seat and front seat buckle switch ON (Belt unfastened) 10 to 14 V
    PBEW (E62-21) - GND1 (E62-10) P - W-B Passenger seat belt warning signal Turn engine switch on (IG), front passenger seat and front seat buckle switch OFF (Belt fastened) Below 1 V
    DR (E62-22) - GND1 (E62-10) L - W-B Dimmer signal Turn engine switch on (IG), light control switch TAIL or ON and automatic light control sensor covered by hand Above 9 V
    PKB (E62-23) - GND1 (E62-10) Y - W-B Parking brake signal See "Vehicle Signal Check" Mode (See DISPLAY CHECK MODE  ) -
    CANL (E62-25) - CANH (E62-26) Y-L CAN bus line Go to CAN communication system (See TERMINALS OF ECU ) -
    TX2- (E63-3) - GND1 (E62-1O) LG - W-B AVC-LAN communication signal Turn engine switch on (ACC) 2 to 3V
    TX2+ (E63-4) - GND1 (E62-10) L - W-B AVC-LAN communication signal Turn engine switch on (ACC) 2 to 3 V
    TSW- (E63-5) - GND1 (E62-10) W - W-B Telephone relation switch signal Always Below 1 V
    MACC (E63-9) - GND1 (E62-10) W - W-B Microphone AMP power supply Turn engine switch off Below 1 V
    MACC (E63-9) - GND1 (E62-10) W - W-B Microphone AMP power supply Turn engine switch on (IG) 5V
    MIN- (E63-10) - GND1 (E62-10) R - W-B Microphone voice signal See "Microphone & Voice Recognition Check" (See DISPLAY CHECK MODE  ) -
    MIN+ (E63-11) - GND1 (E62-10) G - W-B Microphone voice signal See "Microphone & Voice Recognition Check" (See DISPLAY CHECK MODE  ) -
    SGND (E63-12) - GND1 (E62-10) W - W-B Signal ground Always Below 1 V
    CA+ (E63-13) - GND1 (E62-10) B - W-B Television camera power supply Turn engine switch on (IG), shift lever in R position Approx. 6 V
    CGND (E63-14) - Body ground W - Body ground Ground Always Below 1 V
    IVO- (E63-21) - GND1 (E62-10) BR - W-B Voice guidance signal Voice guidance is provided A waveform synchronized with sounds is output
    IVO+ (E63-22) - GND1 (E62-10) Y - W-B Voice guidance signal Voice guidance is provided A waveform synchronized with sounds is output
    SLD (E63-23) - GND1 (E62-10) Shielded - W-B Shielded ground Always Below 1 V
    V+ (E63-27) - CGND (E63-14) R - W Television camera image signal Turn engine switch on (IG), shift lever in R position Pulse generation (Refer to waveform 1)
    V- (E63-28) - CGND (E63-14) Shielded - W Shielded ground Always Below 1 V
    NTSC (E64-1) - GND1 (E62-10) BR - W-B DVD image signal DVD is played on radio receiver Pulse generation (Refer to waveform 2)
    SGD1 (E64-4) - GND1 (E62-10) Y - W-B Signal ground Always Below 1 V
    SGND (E64-5) - Body ground Shielded - Body ground Shielded ground Always Below 1 V
    TX- (p1-1) - GND (p1-6) - AVC-LAN communication signal Turn engine switch on (ACC) 2 to 3V
    TX+ (p1-2) - GND (p1-6) - AVC-LAN communication signal Turn engine switch on (ACC) 2 to 3V
    SGND (p1-3) - GND (p1-61) - Shielded ground Always Below 1 V
    MCO- (p1-4) - GND (p1-6) - Microphone voice signal See "Microphone & Voice Recognition Check" (See NAVIGATION CHECK MODE  ) -
    MCO+ (p1-5) - GND (p1-6) - Microphone voice signal See "Microphone & Voice Recognition Check" (See NAVIGATION CHECK MODE  ) -
    GND (pt-6) - Body ground - Ground Always Below 1 V
    ACC (p1-7) - GND (p1-6) - Accessory (ON) Turn engine switch off Below 1 V
    ACC (p1-7) - GND (p1-6) - Accessory (ON) Turn engine switch on (ACC) 10 to 14 V
    BU+B (p1-8) - GND (p1-6) - Battery Always 10 to 14 V
    IVI- (p1-10) - GND (p1-6) - Voice guidance signal Voice guidance is provided A waveform synchronized with sounds is output
    IVI+ (p1-11) - GND (p1-6) - Voice guidance signal Voice guidance is provided A waveform synchronized with sounds is output
    REV (p1-15) - GND (p1-6) - Reverse signal See " Vehicle Sensors"
    Mode (See NAVIGATION CHECK MODE  )
    -
    SPD (p1-16) - GND (p1-6) - Speed signal See " Vehicle Sensors"
    Mode (See NAVIGATION CHECK MODE  )
    -
    GVI+ (q1-1) - GND (p1-6) - Digital image signal Navigation display is on Pulse generation
    GVI- (q1-2) - GND (p1-6) - Digital image signal Navigation display is on Pulse generation
    GVG1 (q1-3) - Body ground - Ground Always Below 1 V
    1. Reference: waveform 1

      HINT:

      • Terminal: V+ - CGND
      • Gauge set: 0.2 V/DIV., 0.2 μs/DIV.
      • Condition: Engine switch: IG, shift lever: R position
        Fig 2: Waveform Graph (Waveform 1)
        G05253193Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Reference: waveform 2

      HINT:

      • Terminal: NTSC - Body ground
      • Gauge set: 200 mV/DIV, 10
      • Condition: DVD is played on multi-display
      Fig 3: Waveform Graph (Waveform 2)
      G04945286Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. NAVIGATION ECU 
    Fig 4: Identifying Navigation ECU Connector Terminals
    G05253195Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    ECU TERMINALS REFERENCE

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    BU+B (p2-1) - GND (p2-15) - Battery Always 10 to 14 V
    SPD (p2-4) - GND (p2-15) - Speed signal See " Vehicle Sensors"
    Mode (See NAVIGATION CHECK MODE  )
    -
    SLD (p2-7) - GND (p2-15) - Shielded ground Always Below 1 V
    IVI- (p2-8) - GND (p2-15) - Voice guidance signal Voice guidance is provided A waveform synchronized with sounds is output
    IVI+ (p2-9) - GND (p2-15) - Voice guidance signal Voice guidance is provided A waveform synchronized with sounds is output
    ACC (p2-13) - GND (p2-15) - Accessory (ON) Turn engine switch off Below 1 V
    ACC (p2-13) - GND (p2-15) - Accessory (ON) Turn engine switch on (ACC) 10 to 14 V
    GND (p2-15) - Body ground - Ground Always Below 1 V
    TX- (p2-18) - GND (p2-15) - AVC-LAN communication signal Turn engine switch on (ACC) 2 to 3V
    TX+ (p2-19) - GND (p2-15) - AVC-LAN communication signal Turn engine switch on (ACC) 2 to 3V
    REV (p2-20) - GND (p2-15) - Reverse signal See " Vehicle Sensors" Mode (See NAVIGATION CHECK MODE  ) -
    MCO+ (p3-3) - GND (p2-15) - Microphone voice signal See "Microphone & Voice Recognition Check" (See NAVIGATION CHECK MODE  ) -
    MCO- (p3-5) - GND (p2-15) - Microphone voice signal See "Microphone & Voice Recognition Check" (See NAVIGATION CHECK MODE  ) -
    SGND (p3-6) - GND (p2-15) - Shielded ground Always Below 1V
    GVI+ (q1-1) - GND (p2-15) - Digital image signal Navigation display is on Pulse generation
    GVI- (q1-2) - GND (p2-15) - Digital image signal Navigation display is on Pulse generation
    GND (q1-3) - Body ground - Ground Always Below 1 V
  3. RADIO RECEIVER  (See TERMINALS OF ECU )
  4. STEREO COMPONENT AMPLIFIER  (See TERMINALS OF ECU )