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Terminals Of Ecu

  1. RADIO RECEIVER (9 SPEAKER) 
    Fig 1: Identifying Radio Receiver Connector Terminals (9 Speaker)
    G05006185Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    FR+ (E13-1) - GND (E13-7) LG - BR Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output
    FL+ (E13-2) - GND (E13-7) P - BR Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output
    ACC (E13-3) - GND (E13-7) Y - BR Accessory (ON) Turn ignition switch off → on (ACC) Below 1 V → 10 to 14 V
    B (E13-4) - GND (E13-7) R - BR Battery Always 10 to 14 V
    FR - (E13-5) - GND (E13-7) L - BR Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output
    FL - (E13-6) - GND (E13-7) V - BR Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output
    GND (E13-7) - Body ground BR - Body ground Ground Always Below 1 V
    ANT (E13-8) - GND (E13-7) B - BR Power source of antenna Radio is ON 10 to 14 V
    ILL+ (E13-10) - GND (E13-7) G - BR Illumination signal Light control switch OFF → TAIL or ON Below 1 V → 10 to 14 V
    RR+ (E14-1) - GND (E13-7) R - BR Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output
    RL+ (E14-2) - GND (E13-7) Y - BR Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output
    RR- (E14-3) - GND (E13-7) W - BR Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output
    ILL- (E14-5) - GND (E13-7) LG - BR Illumination signal Light control switch OFF TAIL or ON Below 1 V → Pulse generation
    RL- (E14-6) - GND (E13-7) B - BR Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output
    TX+ (E15-9) - GND (E13-7) Y - BR AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3 V
    TX- (E15-10) - GND (E13-7) B - BR AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3 V
    GND (E15-6) - Body ground B - Body ground Steering pad switch ground Always Below 1 V
    1CH (E15-7) - GND (E13-7) O - BR Steering pad switch signal Steering pad switch not operated
    → SEEK+ switch pushed
    → SEEK- switch pushed
    → VOL+ switch pushed
    → VOL- switch pushed    		 4 V or more
    → Approx 0.5 V
    → Approx 0.9 V
    → Approx 2.0 V
    → Approx 3.4 V
    2CH (E15-8) - GND (E13-7) V - BR Steering pad switch signal Steering pad switch not operated
    → MODE switch pushed    		 4 V or more
    → Approx 2.5 V
    CSLD (E17-1) - Body ground ((1)) Shielded - Body ground Ground Always Below 1 V
    CDR+ (E17-2) - GND (E13-7) ((1)) W - BR Sound signal (Right) Tape player is playing A waveform synchronized with sounds is output
    CDR- (E17-3) - GND (E13-7) ((1)) B - BR Sound signal (Right) Tape player is playing A waveform synchronized with sounds is output
    CDL+ (E17-4) - GND (E13-7) ((1)) G - BR Sound signal (Left) Tape player is playing A waveform synchronized with sounds is output
    CDL- (E17-5) - GND (E13-7) ((1)) R - BR Sound signal (Left) Tape player is playing A waveform synchronized with sounds is output
    MUTE (E17-6) - GND (E13-7) (M) W - BR Mute signal Audio system is playing → Changing mode Above 3.5 V → Below 1 V
    TXM+ (E17-9) - GND (E13-7) ((1)) R - BR AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3 V
    TXM- (E17-10) - GND (E13-7) ((1)) W-BR AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3 V
    (1) with Tape Player
  2. RADIO RECEIVER (12 SPEAKER) 
    Fig 2: Identifying Radio Receiver Connector Terminals (12 Speaker)
    G05006186Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    B (E12-1) - GND (E12-20) R - BR Battery Always 10 to 14 V
    ILL+ (E12-2) - GND (E12-20) G - BR Illumination signal Light control switch OFF → TAIL or ON Below 1.0 V → 10 to 14 V
    ATX+ (E12-5) - GND (E12-20) Y - BR AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3V
    MUTE (E12-7) - GND (E12-20) R - BR Mute signal Audio system is playing → Changing mode Above 3.5 V → Below 1 V
    R+ (E12-8) - GND (E12-20) R - BR Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    L+ (E12-9) - GND (E12-20) B - BR Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    SLD (E12-10) - Body ground Shielded - Body ground Ground Always Below 1 V
    ACC (E12-11) - GND (E12-20) Y - BR Accessory (ON) Turn ignition switch off → on (ACC) Below 1 V → 10 to 14 V
    ILL- (E12-12) - GND (E12-20) LG - BR Illumination signal Light control switch OFF → TAIL or ON Below 1.0 V→ Pulse generation
    ANT (E12-13) - GND (E12-20) B - BR Antenna Radio is ON 10 to 14 V
    ATX- (E12-15) - GND (E12-20) BR - BR AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3 V
    R- (E12-18) - GND (E12-20) G - BR Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    L - (E12-19) - GND (E12-20) W - BR Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    GND (E12-20) - Body ground BR - Body ground Ground Always Below 1 V
    TX+ (E15-9) - GND (E12-20) Y - BR AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3 V
    TX- (E15-10) - GND (E12-20) B - BR AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3 V
    GND (E15-6) - Body ground B - Body ground Steering pad switch ground Always Below 1 V
    1CH (E15-7) - GND (E12-20) O - BR Steering pad switch signal Steering pad switch not operated
    → SEEK+ switch pushed
    → SEEK- switch pushed
    → VOL+ switch pushed
    → VOL- switch pushed    		 4 V or more
    → Approx 0.5 V
    → Approx 0.9 V
    → Approx 2.0 V
    → Approx 3.4 V
    2CH (E15-8) - GND (E12-20) V - BR Steering pad switch signal Steering pad switch not operated
    → MODE switch pushed    		 4 V or more
    → Approx 2.5 V
    CSLD (E17-1) - Body ground ((1)) Shielded - Body ground Ground Always Below 1 V
    CDR+ (E17-2) - GND (E12-20) ((1)) W - BR Sound signal (Right) Tape player is playing A waveform synchronized with sounds is output
    CDR- (E17-3) - GND (E12-20) ((1)) B - BR Sound signal (Right) Tape player is playing A waveform synchronized with sounds is output
    CDL+ (E17-4) - GND (E12-20) ((1)) G - BR Sound signal (Left) Tape player is playing A waveform synchronized with sounds is output
    CDL- (E17-5) - GND (E12-20) ((1)) R-BR Sound signal (Left) Tape player is playing A waveform synchronized with sounds is output
    MUTE (E17-6) - GND (E12-20) ((1) W - BR Mute signal Audio system is playing → Changing mode Above 3.5 V → Below 1 V
    TXM+ (E17-9) - GND (E12-20) ((1)) R - BR AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3 V
    TXM- (E17-10) - GND (E12-20) ((1)) W - BR AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3 V
    (1) with Tape Player
  3. STEREO COMPONENT AMPLIFIER (12 SPEAKER) 
    Fig 3: Identifying Stereo Amplifier Connector Terminals (12 Speaker)
    G05006187Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    FL- (E19-1) - GND (E19-6) V - W-B Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output
    FL+ (E19-2) - GND (E19-6) P - W-B Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output
    FR- (E19-3) - GND (E19-6) L - W-B Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output
    SL+ (E19-4) - GND (E19-6) LG - W-B Sound signal (Surround Left) Audio system is playing A waveform synchronized with sounds is output
    WF1+ (E19-5) - GND (E19-6) GR - W-B Sound signal (Woofer) Audio system is playing A waveform synchronized with sounds is output
    GND (E19-6) - Body ground W-B - Body ground Ground Always Below 1 V
    GND2 (E19-7) - Body ground W-B - Body ground Ground Always Below 1 V
    FR+ (E19-9) - GND (E19-6) LG - W-B Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output
    SL- (E19-10) - GND (E19-6) L - W-B Sound signal (Surround Left) Audio system is playing A waveform synchronized with sounds is output
    WF1- (E19-12) - GND (E19-6) W - W-B Sound signal (Woofer) Audio system is playing A waveform synchronized with sounds is output
    MUTE (E20-1) - GND (E19-6) R - W-B Mute signal Audio system is playing → Changing mode Above 3.5 V → Below 1 V
    L- (E20-2) - GND (E19-6) W - W-B Sound signal from radio receiver (Left) Audio system is playing A waveform synchronized with sounds is output
    L+ (E20-3) - GND (E19-6) B - W-B Sound signal from radio receiver (Left) Audio system is playing A waveform synchronized with sounds is output
    R- (E20-4) - GND (E19-6) G - W-B Sound signal from radio receiver (Right) Audio system is playing A waveform synchronized with sounds is output
    R+ (E20-5) - GND (E19-6) R - W-B Sound signal from radio receiver (Right) Audio system is playing A waveform synchronized with sounds is output
    TX- (E20-7) - GND (E19-6) BR - W-B AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3V
    TX+ (E20-8) - GND (E19-6) Y - W-B AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3V
    ACC (E20-12) - GND (E19-6) Y - W-B Accessory (ON) Turn ignition switch off → on (ACC) Below 1 V → 10 to 14 V
    +B (E26-1) - GND (E19-6) L - W-B Battery Always 10 to 14 V
    SR+ (E26-2) - GND (E19-6) BR - W-B Sound signal (Surround Right) Audio system is playing A waveform synchronized with sounds is output
    RL+ (E26-3) - GND (E19-6) Y - W-B Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output
    RR- (E26-4) - GND (E19-6) W - W-B Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output
    +B2 (E26-5) - GND (E19-6) L - W-B Battery Always 10 to 14 V
    SR- (E26-6) - GND (E19-6) G - W-B Sound signal (Surround Right) Audio system is playing A waveform synchronized with sounds is output
    CTR- (E26-7) - GND (E19-6) B - W-B Sound signal (Center) Audio system is playing A waveform synchronized with sounds is output
    CTR+ (E26-8) - GND (E19-6) Y - W-B Sound signal (Center) Audio system is playing A waveform synchronized with sounds is output
    RL- (E26-9) - GND (E19-6) B - W-B Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output
    RR+ (E26-10) - GND (E19-6) R - W-B Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output
  4. TAPE PLAYER 
    Fig 4: Identifying Tape Player Connector Terminals
    G05006188Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    SG1 (E24-1) - Body ground Shielded - Body ground Ground Always Below 1 V
    R+ (E24-2) - GND5 (E24-7) W - W-B Sound signal (Right) Tape player is playing A waveform synchronized with sounds is output
    R- (E24-3) - GND5 (E24-7) B - W-B Sound signal (Right) Tape player is playing A waveform synchronized with sounds is output
    L+ (E24-4) - GND5 (E24-7) G - W-B Sound signal (Left) Tape player is playing A waveform synchronized with sounds is output
    L- (E24-5) - GND5 (E24-7) R - W-B Sound signal (Left) Tape player is playing A waveform synchronized with sounds is output
    LMUT (E24-6) - GND5 (E24-7) W - W-B Mute signal Audio system is playing → Changing mode Above 3.5 V → Below 1 V
    GND5 (E24-7) - Body ground W-B - Body ground Ground Always Below 1 V
    TX+ (E24-9) - GND5 (E24-7) R - W-B AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3 V
    TX- (E24-10) - GND5 (E24-7) W - W-B AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3 V
    ACC1 (E24-11) - GND5 (E24-7) Y - W-B Accessory (ON) Turn ignition switch off → on (ACC) Below 1 V → 10 to 14 V
    +B (E24-12) - GND5 (E24-7) R - W-B Battery Always 10 to 14 V
  5. GATEWAY ECU 
    Fig 5: Identifying Gateway ECU Connector Terminals
    G05006189Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    IG (E23-1) - GND (E23-24) W - W-B Ignition switch on (IG) Always 10 to 14 V
    ACC (E23-2) - GND (E23-24) R - W-B Accessory (ON) Turn ignition switch off → on (ACC) Below 1 V → 10 to 14 V
    GTX+ (E23-6) - GND (E23-24) BR - W-B AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3 V
    BATT (E23-10) - GND (E23-24) B - W-B Battery Always 10 to 14 V
    GTX- (E23-21) - GND (E23-24) R - W-B AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3 V
    GND (E23-24) - Body ground W-B - Body ground Ground Always Below 1 V
  6. MULTI-DISPLAY (ACCESSORY METER)  (See TERMINALS OF ECU )
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