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Terminals Of Ecu

  1. RADIO RECEIVER 
    Fig 1: Identifying Radio Receiver Connector Terminal
    G05753285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    VOLTAGE SPECIFICATION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    B (J66-1) - GND (J66-20) G - W-B Battery Always 10 to 14 V
    ILL+ (J66-2) - GND (J66-20) G - W-B Illumination signal Light control switch OFF Below 1 V
    ILL+ (J66-2) - GND (J66-20) G - W-B Illumination signal Light control switch TAIL 10 to 14 V
    ATX+ (J66-5) - ATX- (J66-15) V-P AVC-LAN communication signal Turn engine switch on (ACC) 2 to 3 V
    MUTE (J66-7) - GND (J66-20) BR - W-B Mute signal Audio system is playing Above 3.5 V
    MUTE (J66-7) - GND (J66-20) BR - W-B Mute signal Audio system is changing Below 1 V
    R+ (J66-8) - GND (J66-20) R - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    L+ (J66-9) - GND (J66-20) B - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    SLD (J66-10) - Body ground Shielded - Body ground Shielded ground Always Below 1 V
    ACC (J66-11) - GND (J66-20) O - W-B Accessory (ON) Turn engine switch off Below 1 V
    ACC (J66-11) - GND (J66-20) O - W-B Accessory (ON) Turn engine switch on (ACC) 10 to 14 V
    ILL- (J66-12) - GND (J66-20) W - W-B Illumination signal Light control switch OFF Below 1 V
    ILL- (J66-12) - GND (J66-20) W - W-B Illumination signal Light control switch TAIL 10 to 14 V
    ANT (J66-13) - GND (J66-20) Y - W-B Power source of antenna Radio switch ON and AM or FM 10 to 14 V
    R- (J66-18) - GND (J66-20) G - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    L- (J66-19) - GND (J66-20) W - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    GND (J66-20) - Body ground W-B - Body ground Ground Always Below 1 V
    SWG (J63-6) - GND (J66-20) GR - W-B Steering pad switch ground Always Below 1 V
    SW1 (J63-7) - GND (J66-20) SB - W-B Steering pad switch signal Steering pad switch not operated 4 V or more
    SW1 (J63-7) - GND (J66-20) SB - W-B Steering pad switch signal SEEK+ switch pushed Approx. 0.5 V
    SW1 (J63-7) - GND (J66-20) SB - W-B Steering pad switch signal SEEK- switch pushed Approx. 0.9 V
    SW1 (J63-7) - GND (J66-20) SB - W-B Steering pad switch signal VOL+ switch pushed Approx. 2.0 V
    SW1 (J63-7) - GND (J66-20) SB - W-B Steering pad switch signal VOL- switch pushed Approx. 3.4 V
    SW2 (J63-8) - GND (J66-20) L - W-B Steering pad switch signal Steering pad switch not operated 4 V or more
    SW2 (J63-8) - GND (J66-20) L - W-B Steering pad switch signal MODE switch pushed Approx. 0.5 V
    SW2 (J63-8) - GND (J66-20) ((1)) L - W-B Steering pad switch signal ON HOOK switch pushed Approx. 0.9 V
    SW2 (J63-8) - GND (J66-20) ((1)) L - W-B Steering pad switch signal OFF HOOK switch pushed Approx. 2.0 V
    SW2 (J63-8) - GND (J66-20) ((1)) L - W-B Steering pad switch signal VOICE switch pushed Approx. 3.4 V
    TX+ (J63-9) - TX- (J63-10) ((4)) SB-0 AVC-LAN communication signal Turn engine switch on (ACC) 2 to 3 V
    TX+ (J63-9) - TX- (J63-10) ((1)) P-LG AVC-LAN communication signal Turn engine switch on (ACC) 2 to 3 V
    ARI (J63-15) - GND (J66-20) ((2)) R - W-B Sound signal (Right) External device is playing (When stereo jack adapter is used) A waveform synchronized with sounds is output
    ASGN (J63-16) - GND (J66-20) ((2)) B - W-B Ground Always Below 1 V
    ALI (J63-17) - GND (J66-20) ((2)) W - W-B Sound signal (Left) External device is playing (When stereo jack adapter is used) A waveform synchronized with sounds is output
    AUXI (J63-19) - GND (J66-20) ((2)) L - W-B External device connection detection signal External device is connected Below 1 V
    ARI (J61-2) - GND (J66-20) ((3)) R - W-B Sound signal (Right) External device is playing (When stereo jack adapter is used) A waveform synchronized with sounds is output
    ASGN (J61-5) - GND (J66-20) ((3)) B - W-B Ground Always Below 1 V
    ALI (J61-3) - GND (J66-20) ((3)) W - W-B Sound signal (Left) External device is playing (When stereo jack adapter is used) A waveform synchronized with sounds is output
    AUXI (J61-6) - GND (J66-20) ((3)) L - W-B External device connection detection signal External device is connected Below 1 V
    NTSC (J62-1) - GND (J66-20) ((1), (3)) R - W-B DVD image signal DVD played on multi-display Pulse generation Refer to  awaveform 1
    GND (J62-2) - Body ground ((1), (3)) G - Body ground Ground Always Below 1 V
    SLD (J62-3) - Body ground ((1), (3)) Shielded - Body ground Shielded - Body ground Always Below 1 V
    TXM+ (J65-9) - TXM- (J65-10) ((4)) BR-R AVC-LAN communication signal Turn engine switch on (ACC) 2 to 3 V
    DVD (S1-1) - GND (J66-20) ((3)) B - W-B Digital sound signal DVD played on multi-display Pulse generation
    (1) with Navigation System
    (2) for CD Changer Models
    (3) for DVD Changer Models
    (4) without Navigation System
    1. Reference: waveform 1

      HINT:

      • Terminal: NTSC - Body ground
      • Setting: 200 mV/DIV, 10 μs/DIV
      • Condition: DVD display is ON.
    Fig 2: Identifying Waveform 1
    G04945286Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INTEGRATION CONTROL & PANEL ASSEMBLY (WITHOUT NAVIGATION SYSTEM) 
    Fig 3: Identifying Integration Control & Panel Connector Terminal
    G05753287Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    VOLTAGE SPECIFICATION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    TX-(J54-1) - TX+(J54-2) R-BR AVC-LAN communication signal Turn engine switch on (ACC) 2 to 3 V
    IG+ (J54-4) - E (J54-8) B - W-B Ignition switch (ON) Turn engine switch on (IG) 10 to 14 V
    IG+ (J54-4) - E (J54-8) B - W-B Ignition switch (OFF) Turn engine switch off Below 1 V
    ACC (J54-5) - E (J54-8) O - W-B Accessory (OFF) Turn engine switch off Below 1 V
    ACC (J54-5) - E (J54-8) O - W-B Accessory (ON) Turn engine switch on (ACC) 10 to 14 V
    E (J54-8) - Body ground W-B - Body ground Ground Always Below 1 V
    B (J54-14) - E (J54-8) LG - W-B Battery Always 10 to 14 V
  3. STEREO COMPONENT AMPLIFIER 
    Fig 4: Identifying Stereo Component Amplifier Connector Terminal
    G05753288Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    VOLTAGE SPECIFICATION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    +B (P27-1) - GND (P27-2) R - W-B Battery Always 10 to 14 V
    GND (P27-2) - Body ground W-B - Body ground Ground Always Below 1 V
    +B2 (P27-3) - GND (P27-2) O - W-B Battery Always 10 to 14 V
    GND2 (P27-6) - Body ground W-B - Body ground Ground Always Below 1 V
    WF1+ (P28-1) - GND (P27-2) BR - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    WF2+ (P28-2) - GND (P27-2) ((1)) P - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    SR+ (P28-2) - GND (P27-2) ((2)) SB - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    MR+ (P28-3) - GND (P27-2) ((1)) B-W - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    CTR+ (P28-3) - GND (P27-2) ((2)) Y - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    WFL+ (P28-4) - GND (P27-2) W - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    WF1-(P28-5) - GND (P27-2) LG - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    WF2- (P28-6) - GND (P27-2) ((1)) SB - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    SR- (P28-6) - GND (P27-2) ((2)) R - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    ML-(P28-7) - GND (P27-2)((1)) L - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    SL- (P28-7) - GND (P27-2) ((2)) L - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    ML+ (P28-8) - GND (P27-2) ((1)) LG - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    SL+ (P28-8) - GND (P27-2) ((2)) LG - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    MR- (P28-9) - GND (P27-2) ((1)) R - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    CTR- (P28-9) - GND (P27-2) ((2)) B - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    WFL- (P28-10) - GND (P27-2) R - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    WFR+ (P29-1) - GND (P27-2) BR - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    FL+ (P29-2) - GND (P27-2) SB - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    RL+ (P29-3) - GND (P27-2) P - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    RR+ (P29-4) - GND (P27-2) R - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    WFR- (P29-5) - GND (P27-2) P - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    FL- (P29-6) - GND (P27-2) O - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    FR- (P29-7) - GND (P27-2) GR - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    FR+ (P29-8) - GND (P27-2) B - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    RL- (P29-9) - GND (P27-2) V - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    RR- (P29-10) - GND (P27-2) W - W-B Sound signal Audio system is playing A waveform synchronized with sounds is output
    MUTE (P30-1) - GND (P27-2) SB - W-B Mute signal Audio system is playing Above 3.5 V
    MUTE (P30-1) - GND (P27-2) SB - W-B Mute signal Audio system is changing Below 1 V
    L- (P30-2) - GND (P27-2) W - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    L+ (P30-3) - GND (P27-2) B - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    R- (P30-4) - GND (P27-2) G - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    R+ (P30-5) - GND (P27-2) R - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    SLD (P30-6) - Body ground Shielded - Body ground Shielded ground Always Below 1 V
    TX- (P30-7) - TX+ (P30-8) V-0 AVC-LAN communication signal Turn engine switch on (ACC) 2 to 3 V
    SPD (P30-11) - GND (P27-2) L - W-B Speed signal Turn engine switch on (IG), drive wheels are turned slowly Pulse generation
    ACC (P30-12) - GND (P27-2) O - W-B Accessory (ON) Turn engine switch off Below 1 V
    ACC (P30-12) - GND (P27-2) O - W-B Accessory (ON) Turn engine switch on (ACC) 10 to 14 V
    111- (P30-14) - GND (P27-2) ((3)) BR - W-B Voice guidance signal Voice guidance is provided A waveform synchronized with sounds is output
    111+ (P30-15) - GND (P27-2) ((3)) Y - W-B Voice guidance signal Voice guidance is provided A waveform synchronized with sounds is output
    DVD (t1-1) - GND (P27-2) ((4)) B - W-B Digital sound signal DVD played on multi-display Pulse generation
    (1) without Front Center Speaker
    (2) with Front Center Speaker
    (3) with Navigation System
    (4) for DVD Changer Models
  4. GATEWAY ECU  (See TERMINALS OF ECU )