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Terminals Of Ecu

  1. CHECK MULTI-DISPLAY (for 3 Connector Type) 
    Fig 1: Identifying Connectors Terminals (Multi-Display (For 3 Connector Type))
    G05189794Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    ILL+ (M13-1) - GND1 (M13-3) G-BR Illumination (rheostat) signal Power switch OFF Below 1 V
    Power switch ON (IG) 10 to 14 V
    GND1 (M13-3) - Body ground BR - Body ground Ground Always Below 1 Ω
    TX1+ (M13-4) - GND1 (M13-3) B-BR AVC-LAN communication signal Power switch ON (IG) 2 to 3 V
    TX1- (M13-5) - GND1 (M13-3) W-BR AVC-LAN communication signal Power switch ON (IG) 2 to 3V
    TC (M13-7) - GND1 (M13-3) P-BR Diagnosis ON signal Power switch OFF Below 1 V
    Power switch ON (IG) 10 to 14 V
    IG (M13-10) - GND1 (M13-3) B-BR Power switch IG Power switch OFF Below 1 V
    Power switch ON (IG) 10 to 14 V
    ACC (M13-11) - GND1 (M13-3) GR-BR Power switch ACC Power switch OFF Below 1 V
    Power switch ON (IG) 10 to 14 V
    +B1 (M13-12) - GND1 (M13-3) Y-BR Battery Always 10 to 14 V
    ILL- (M13-2) - GND1 (M13-3) W-B - BR Illumination (rheostat) signal Power switch OFF Below 1 V
    Power switch ON (IG) 10 to 14 V
    DR (M13-17) - GND1 (M13-3) B-BR Dimmer signal Light control switch OFF Below 1 V
    Light control switch TAIL or HEAD 10 to 14 V
    TX2+ (M13-18) - GND1 (M13-3) P-BR AVC-LAN communication signal Power switch ON (IG) 2 to 3V
    TX2- (M13-19) - GND1 (M13-3) W-BR AVC-LAN communication signal Power switch ON (IG) 2 to 3V
    SPD (M13-25) - GND1 (M13-3) V-BR Speed signal from combination meter See "vehicle signal check mode" -
  2. CHECK MULTI-DISPLAY (for 4 Connector Type) 
    Fig 2: Identifying Connectors Terminals (Multi-Display (4 Connector Type))
    G05189795Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    ILL+ (M13-12) - GND1 (M13-1) G-BR Illumination (rheostat) signal Power switch OFF Below 1 V
    Power switch ON (IG) 10 to 14 V
    GND1 (M13-1) - Body ground BR - Body ground Ground Always Below 1 Ω
    TX1+ (M13-4) - GND1 (M13-1) B-BR AVC-LAN communication signal Power switch ON (IG) 2 to 3V
    TX1- (M13-5) - GND1 (M13-1) W-BR AVC-LAN communication signal Power switch ON (IG) 2 to 3V
    TC (M13-7) - GND1 (M13-1) P-BR Diagnosis ON signal Power switch OFF Below 1 V
    Power switch ON (IG) 10 to 14 V
    IG (M13-10) - GND1 (M13-1) B-BR Power switch IG Power switch OFF Below 1 V
    Power switch ON (IG) 10 to 14 V
    ACC (M13-2) - GND1 (M13-1) GR-BR Power switch ACC Power switch OFF Below 1 V
    Power switch ON (IG) 10 to 14 V
    +B1 (M13-3) - GND1 (M13-1) Y-BR Battery Always 10 to 14 V
    ILL- (M13-11) - GND1 (M13-1) W-B - BR Illumination (rheostat) signal Power switch OFF Below 1 V
    Power switch ON (IG) 10 to 14 V
    DR (M13-17) - GND1 (M13-1) B-BR Dimmer signal Light control switch OFF Below 1 V
    Light control switch TAIL or HEAD 10 to 14 V
    TX2+ (M13-18) - GND1 (M13-1) P-BR AVC-LAN communication signal Power switch ON (IG) 2 to 3V
    TX2- (M13-19) - GND1 (M13-1) W-BR AVC-LAN communication signal Power switch ON (IG) 2 to 3V
    SPD (M13-20) - GND1 (M13-1) V-BR Speed signal from combination meter See "vehicle signal check mode" -
    MIN+ (M14-2)-Body ground G - Body ground Microphone voice signal See "Microphone & Voice Recognition Check" mode -
    MIN- (M14-3) - Body ground R - Body ground Microphone voice signal See "Microphone & Voice Recognition Check" mode -
    MACC (M14-4) - Body ground BR - Body ground Microphone amplifier power supply Power switch ON (IG) 5V
  3. CHECK RADIO RECEIVER (for 6 Speaker System) 
    Fig 3: Identifying Connectors Terminals (Radio Receiver (For 6 Speaker System)
    G05189796Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    RR+ (R4-1) - GND (R3-7) R-BR Sound signal (Rear Right) Audio system is sounding -
    RL+ (R4-2) - GND (R3-7) B-BR Sound signal (Rear Left) Audio system is sounding -
    RR- (R4-3) - GND (R3-7) W-BR Sound signal (Rear Right) Audio system is sounding -
    RL- (R4-6) - GND (R3-7) Y-BR Sound signal (Rear Left) Audio system is sounding -
    FR+ (R3-1) - GND (R3-7) LG-BR Sound signal (Front Right) Audio system is sounding -
    FL+ (R3-2) - GND (R3-7) P-BR Sound signal (Front Left) Audio system is sounding -
    ACC (R3-3) - GND (R3-7) GR-BR Accessory (ON) Turn power switch OFF Below 1 V
    Turn power switch ON (ACC) 10 to 14 V
    +B (R3-4) - GND (R3-7) SB-BR Battery Always 10 to 14 V
    FR- (R3-5) - GND (R3-7) L-BR Sound signal (Front Right) Audio system is sounding -
    FL- (R3-6) - GND (R3-7) V-BR Sound signal (Front Left) Audio system is sounding -
    GND (R3-7) - Body ground BR - Body ground Ground Always Below 1 Ω
    ANT+ (R3-8) - GND (R3-7) O-BR Power source of antenna Radio switch ON 10 to 14 V
    ILL+ (R3-10) - GND (R3-7) G-BR Illumination signal Turn light control switch OFF Below 1 V
    Turn light control switch TAIL or HEAD (Light intensity is max.) 10 to 14 V
    TX1+ (R5-9) - GND (R3-7) P-BR AVC-LAN communication signal Turn power switch ON (ACC) 2 to 3 V
    TX1- (R5-10) - GND (R3-7) W-BR AVC-LAN communication signal Turn power switch ON (ACC) 2 to 3 V
    SWG (R5-6) - GND (R3-7) R-BR Steering pad switch ground Always Below 1 Ω
    SW1 (R5-7) - GND (R3-7) B-BR Steering pad switch signal Steering pad switch not operated 4 V or more
    SEEK+ switch pushed Approx. 0.5 V
    SEEK- switch pushed Approx. 0.9 V
    VOL+ switch pushed Approx. 2.0 V
    VOL- switch pushed Approx. 3.4 V
    SW2 (R5-8) - GND (R3-7) W-BR Steering pad switch signal Steering pad switch not operated 4 V or more
    MODE switch pushed Below 2.5 V
    ILL- (R4-5) - GND (R3-7) W-B - BR Illumination signal Turn light control switch OFF Below 1 V
    Turn light control switch TAIL or HEAD (Light intensity is max.) 10 to 14 V
  4. CHECK RADIO RECEIVER (for 9 Speaker System) 
    Fig 4: Identifying Connectors Terminals (Radio Receiver (For 9 Speaker System))
    G05189797Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    +B (R6-1) - GND (R6-20) SB-BR Battery Always 10 to 14 V
    ILL+ (R6-2) - GND (R6-20) G-BR Illumination signal Turn light control switch OFF Below 1 V
    Turn light control switch TAIL or HEAD (Light intensity is max.) 10 to 14 V
    MUTE (R6-7) - GND (R6-20) W-BR MUTE signal Audio system is sounding Above 3.5 V
    Audio system is changing mode Below 1 V
    R+ (R6-8) - GND (R6-20) R-BR Sound signal (Right) Audio system is sounding -
    L+ (R6-9) - GND (R6-20) W-BR Sound signal (Left) Audio system is sounding -
    SLD (R6-10) - Body ground Shielded - Body ground Shield ground Always Below 1 Ω
    ACC (R6-11) - GND (R6-20) GR-BR Accessory Turn power switch OFF Below 1 V
    Turn power switch ON (ACC) 10 to 14 V
    ANT+ (R6-13) - GND (R6-20) O-BR Power source of antenna Radio switch ON 10 to 14 V
    R- (R6-18) - GND (R6-20) G-BR Sound signal (Right) Audio system is sounding -
    L- (R6-19) - GND (R6-20) B-BR Sound signal (Left) Audio system is sounding -
    GND (R6-20) - Body ground BR - Body ground Ground Always Below 1 Ω
    TX+ (R6-5) - GND (R6-20) P-BR AVC-LAN communication signal Turn power switch ON (ACC) 2 to 3 V
    TX- (R6-15) - GND (R6-20) O-BR AVC-LAN communication signal Turn power switch ON (ACC) 2 to 3 V
    SWG (R5-6) - GND (R6-20) R-BR Steering pad switch ground Always Below 1 Ω
    SW1 (R5-7) - GND (R6-20) B-BR Steering pad switch signal Steering pad switch not operated 4 V or more
    SEEK+ switch pushed Approx. 0.5 V
    SEEK- switch pushed Approx. 0.9 V
    VOL+ switch pushed Approx. 2.0 V
    VOL- switch pushed Approx. 3.4 V
    ILL-(R6-12) - GND (R6-20) W-B - BR Illumination signal Turn light control switch OFF Below 1 V
    Turn light control switch TAIL or HEAD (Light intensity is max.) 10 to 14 V
    SW2 (R5-8) - GND (R6-20) W-BR Steering pad switch signal Steering pad switch not operated 4 V or more
    MODE switch pushed Below 2.5 V
    TX+ (R5-9) - GND (R6-20) P-BR AVC-LAN communication signal Turn power switch ON (ACC) 2 to 3 V
    TX- (R5-10) - GND (R6-20) W-BR AVC-LAN communication signal Turn power switch ON (ACC) 2 to 3 V
    ARI (R5-15) - GND (R6-20) G-BR Sound signal (Right) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output
    ASGN (R5-16) - GND (R6-20) Shielded - BR Shield ground Always Below 1 Ω
    ALI (R5-17) - GND (R6-20) R-BR Sound signal (Left) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output
    AUXI (R5-19) - GND (R6-20) W-BR External device connection detection signal External device is connection Below 1 Ω
  5. CHECK STEREO COMPONENT AMPLIFIER (for 9 Speaker System) 
    Fig 5: Identifying Connectors Terminals (Stereo Component Amplifier (9 Speaker System))
    G05189798Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    +B (S14-1) - GND (S29-6) SB - W-B Battery Always 10 to 14 V
    CTR+ (S29-4) - GND (S29-6) R - W-B Sound Signal (Center) Audio system playing A waveform synchronized with sounds is output
    RL+ (S14-3) - GND (S29-6) B - W-B Sound Signal (Left) Audio system is playing A waveform synchronized with sounds is output
    RR+ (S14-10) - GND (S29-6) R - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    FL+ (S14-8) - GND (S29-6) P - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    FR+ (S14-2) - GND (S29-6) LG - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    WFL+ (S29-2) - GND (S29-6) P - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    WFR+ (S29-9) - GND (S29-6) LG - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    +B2 (S14-5) - GND (S29-6) SB - W-B Battery Always 10 to 14 V
    CTR- (S29-10) - GND (S29-6) W - W-B Sound signal (Center) Audio system is playing A waveform synchronized with sounds is output
    RL- (S14-9) - GND (S29-6) Y - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    RP- (S14-9) - GND (S29-6) W - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    GND2 (S29-7) - Body ground W-B - Body ground Ground Always Below 1 Ω
    GND (S29-6) - Body ground W-B - Body ground Ground Always Below 1 Ω
    SPD (S15-11) - GND (S29-6) V - W-B Speed signal from combination meter See "vehicle signal check mode" -
    FL- (S14-7) - GND (S29-6) V - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    FR- (S14-6) - GND (S29-6) L - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    WFL- (S29-1) - GND(S29-6) V - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    WFR- (S29-3) - GND (S29-6) L - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    MUTE (S15-1)-GND (S29-6) W - W-B Mute signal Audio system is playing Above 3.5 V
    Audio system is changing mode Below 1 V
    L- (S15-2) - GND (S29-6) B - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    L+ (S15-3) - GND (S29-6) W - W-B Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    R- (S15-4) - GND (S29-6) G - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    R+ (S15-5) - GND (S29-6) R - W-B Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    TX-(S15-7) - GND (S29-6) O - W-B AVC-LAN communication signal Power switch ON (IG) 2 to 3 V
    TX+ (S15-8) - GND (S29-6) P - W-B AVC-LAN communication signal Power switch ON (IG) 2 to 3 V
    ACC (S15-12) - GND (S29-6) GR - W-B Power switch ACC Power switch OFF Below 1 V
    Power switch ON (ACC) 10 to 14 V
  6. CHECK NETWORK GATEWAY ECU 
    Fig 6: Checking Network Gateway ECU Connector
    G05189799Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    GND (G1-24) - Body ground W-B - Body ground Ground Always Below 1 Ω
    BATT (G1-10) - Body ground Y - Body ground Battery power supply Always 10 to 14 V
    IG (G1-1)- Body ground B - Body ground Ignition power supply Power switch ON (IG) 10 to 14 V
    ACC (G1-2) - Body ground P - Body ground ACC power supply Power switch ON (IG) 10 to 14 V
    GTX+ (G1-6) - Body ground B - Body ground AVC-LAN communication signal Power switch ON (ACC) 2 to 3 V
    GTX - (G1-21) - Body ground W - Body ground AVC-LAN communication signal Power switch ON (ACC) 2 to 3 V
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