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Terminals Of Ecu

WARNING: This page is about a different car, the 2007 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. RADIO RECEIVER (SEPARATE TYPE AMPLIFIER SYSTEM) 
    Fig 1: Identifying Terminals Of ECU
    G05132330Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONNECTOR TERMINAL VOLTAGE SPECIFICATION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    B (R7-1) - GND (R7-20) L-Y - BR Battery Always 10 to 14 V
    ILL+ (R7-2) - GND (R7-20) G-BR Illumination signal Light control switch OFF → TAIL Below 1 V → 10 to 14 V
    TX+ (R7-5) - GND (R7-20) R-BR AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3V
    MUTE (R7-7) - GND (R7-20) L-BR MUTE signal Audio system is playing → Changing Above 3.5 V → Below 1 V
    R+ (R7-8) - GND (R7-20) B-BR Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    L+ (R7-9) - GND (R7-20) G-BR Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    SGND (R7-10) - Body ground Shielded - Body ground Shield ground Always Below 1 V
    ACC (R7-11) - GND (R7-20) GR-BR Accessory (ON) Turn ignition switch on (ACC) 10 to 14V
    ILL- (R7-12) - GND (R7-20) W-B - BR Illumination (rheostat) signal Light control switch OFF → TAIL Below 1 V → Pulse generation
    ANT (R7-13) - GND (R7-20) B-R - BR Power source of antenna Radio switch ON and AM or FM 10 to 14 V
    TX- (R7-15) - GND (R7-20) W-BR AVC-LAN communication signal Turn ignition switch on (ACC) 2 to 3V
    R- (R7-18) - GND (R7-20) W-BR Sound signal (Right) Audio system is playing A waveform synchronized with sounds is output
    L- (R7-19) - GND (R7-20) R-BR Sound signal (Left) Audio system is playing A waveform synchronized with sounds is output
    GND (R7-20) - Body ground BR - Body ground Ground Always Below 1 V
    SWG (R6-6) - GND (R7-20) P-L - BR Steering pad switch ground Always Below 1 V
    SW1 (R6-7) - GND (R7-20) P-G - 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
    SW2 (R6-8) - GND (R7-20) P-B - BR Steering pad switch signal Steering pad switch not operated
    → MODE switch pushed
    → ON HOOK switch pushed
    → OFF HOOK switch pushed    		 4 V or more
    → Approx. 0.5 V
    → Approx. 0.9 V
    → Approx. 2.0 V
    IVO+ (R6-11) - GND (R7-20) V-BR Voice signal "Bluetooth" handsfree voice signal is playing A waveform synchronized with sounds is output
    IVO- (R6-12) - GND (R7-20) LG-BR Voice signal "Bluetooth" handsfree voice signal is playing A waveform synchronized with sounds is output
    SLD1 (R6-13)-Body ground Shielded - Body ground Shield ground Always Below 1 V
    VAR+ (R6-15) - GND (R7-20) LG-BR Sound signal (Right) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output
    VA- (R6-16) - GND (R7-20) Shielded - BR Shield ground Always Below 1 V
    VAL+ (R6-17) - GND (R7-20) V-BR Sound signal (Left) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output
    ADPG (R6-19) - GND (R7-20) R-BR External device connection detection signal External device is connected Below 1 V
    MIC- (R16-1) - GND (R7-20) L-BR Microphone voice signal Bluetooth handsfree function is ON A waveform synchronized with sounds is output
    MIC+ (R16-2) - GND (R7-20) R-BR Microphone voice signal Bluetooth handsfree function is ON A waveform synchronized with sounds is output
    TSW- (R16-3) - GND (R7-20) L-BR Ground Always Below 1 V
    SPD (R16-4) - GND (R7-20) V-W - W-B Speed signal from combination meter Turn ignition switch on (IG). Turn drive wheels slowly. Pulse generation
    +B (R16-5) - GND (R7-20) L-Y - BR Battery Always 10 to 14 V
    SGND (R16-6) - GND (R7-20) L-BR Ground Always Below 1 V
    MACC (R16-7) - GND (R7-20) G-R - BR Microphone AMP power supply Turn ignition switch off → on (ACC) Below 1 V → 5 V
    ACC (R16-16) - GND (R7-20) GR-BR Accessory (ON) Turn ignition switch off → on (ACC) Below 1 V → 10 to 14 V
  2. RADIO RECEIVER (BUILT-IN TYPE AMPLIFIER SYSTEM) 
    Fig 2: Identifying Radio Receiver Connector
    G05132331Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONNECTOR TERMINAL VOLTAGE SPECIFICATION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    FR+ (R3-1) - GND (R3-7) LG-BR Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output
    FL+ (R3-2) - GND (R3-7) P-BR Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output
    ACC (R3-3) - GND (R3-7) GR-BR Accessory (ON) Turn ignition switch off → on (ACC) Below 1V → 10 to 14 V
    +B (R3-4) - GND (R3-7) L-Y - BR Battery Always 10 to 14 V
    FR- (R3-5) - GND (R3-7) L-BR Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output
    FL- (R3-6) - GND (R3-7) V-BR Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output
    GND (R3-7) - Body ground BR - Body ground Ground Always Below 1 V
    ANT (R3-8) - GND (R3-7) B-R - BR Power source of antenna Radio switch ON and AM or FM 10 to 14 V
    ILL+ (R3-10) - GND (R3-7) G - BR Illumination signal Light control switch OFF → TAIL or HEAD Below 1V → 10 to 14 V
    RR+ (R4-1) - GND (R3-7) R-BR Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output
    RL+ (R4-2) - GND (R3-7) B-BR Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output
    RR- (R4-3) - GND (R3-7) W-BR Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output
    ILL- (R4-5) - GND (R3-7) W-B - BR Illumination (rheostat) signal Light control switch OFF → TAIL or HEAD Below 1 V → Pulse generation
    RL- (R4-6) - GND (R3-7) Y-BR Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output
    SPD (R2-3) - GND (R3-7) V-W - BR Speed signal from combination meter Turn ignition switch on (IG).
    Turn drive wheels slowly.    		 Pulse generation
    SWG (R2-6) - GND (R3-7) Y ((1)), P-L ((2))-BR Steering pad switch ground Always Below 1 V
    SW1 (R2-7) - GND (R3-7) LG-B ((1)), P-G ((2)) - 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
    SW2 (R2-8) - GND (R3-7) L ((1)), P-B ((2))-BR Steering pad switch signal Steering pad switch not operated → MODE switch pushed 4 V or more → Below 2.5 V
    VAR+ (R2-15) - GND (R3-7) LG - BR Sound signal (Right) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output
    VA- (R2-16) - GND (R3-7) Shielded - BR Shield ground Always Below 1 V
    VAL+ (R2-17) - GND (R3-7) V - BR Sound signal (Left) External device is playing (When stereo jack is used) A waveform synchronized with sounds is output
    ADPG (R2-19) - GND (R3-7) R - BR External device connection detection signal External device is connected Below 1 V
    (1) for Coupe
    (2) for Convertible
  3. STEREO COMPONENT AMPLIFIER (SEPARATE TYPE AMPLIFIER SYSTEM) 
    Fig 3: Identifying Stereo Component Amplifier Connector
    G05132332Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONNECTOR TERMINAL VOLTAGE SPECIFICATION

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    B+ (S10-1) - GND (S10-16) L-R ((1)), L-Y ((2))-W-B ((1)), BR ((2)) Battery Always 10 to 14 V
    TWL+ (S10-2) ((1)) - GND (S10-16) G ((1))-W-B ((1)), BR ((2)) Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output
    WF2+ (S10-2) ((3)) - GND (S10-16) G-W ((3)) - W-B ((1)), BR ((2)) Sound signal (Woofer Box) Audio system is playing A waveform synchronized with sounds is output
    TWR+ (S10-3) ((1)) - GND (S10-16) LG ((1))-W-B ((1)), BR ((2)) Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output
    WF1+ (S10-3) ((3)) - GND (S10-16) L-R ((3))-W-B ((1)), BR ((2)) Sound signal (Woofer Box) Audio system is playing A waveform synchronized with sounds is output
    RL+ (S10-4) - GND (S10-16) B - W-B ((1)), BR ((2)) Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output
    RR+ (S10-5) - GND (S10-16) R - W-B ((1)), BR ((2)) Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output
    FL+ (S10-6) - GND (S10-16) P - W-B ((1)), BR ((2)) Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output
    FR+ (S10-7) - GND (S10-16) LG - W-B ((1)), BR ((2)) Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output
    B2+ (S10-10) - GND (S10-16) L-R ((1)),L-Y ((2))-W-B ((1)), BR ((2)) Battery Always 10 to 14 V
    TWL- (S10-11) ((1)) - GND (S10-16) G-B ((1)) - W-B ((1)), BR ((2)) Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output
    WF2- (S10-11) ((3)) - GND (S10-16) BR ((3))-W-B ((1)), BR ((2)) Sound signal (Woofer Box) Audio system is playing A waveform synchronized with sounds is output
    TWR- (S10-12) ((1)) - GND (S10-16) L ((1))-W-B ((1)), BR ((2)) Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output
    WF1- (S10-12) ((3)) - GND (S10-16) L-B ((3))-W-B ((1)), BR ((2)) Sound signal (Woofer Box) Audio system is playing A waveform synchronized with sounds is output
    RL - (S10-13) - GND (S10-16) Y - W-B ((1)), BR ((2)) Sound signal (Rear Left) Audio system is playing A waveform synchronized with sounds is output
    RR - (S10-14) - GND (S10-16) W - W-B ((1)), BR ((2)) Sound signal (Rear Right) Audio system is playing A waveform synchronized with sounds is output
    GND2 (S10-15) ((1)) - Body ground W-B - Body ground Ground Always Below 1 V
    E (S10-15) ((2)) - Body ground BR - Body ground Ground Always Below 1 V
    GND (S10-16) - Body ground W - B ((1)), BR ((2))-Body ground Ground Always Below 1 V
    FL- (S10-17) - GND (S10-16) V - W-B ((1)), BR ((2)) Sound signal (Front Left) Audio system is playing A waveform synchronized with sounds is output
    FR- (S10-18) - GND (S10-16) L - W-B ((1)), BR ((2)) Sound signal (Front Right) Audio system is playing A waveform synchronized with sounds is output
    MUTE (S11-1) - GND (S10-16) L - W-B ((1)), BR ((2)) Mute signal from radio receiver Audio system is changing Above 3.5 V → Below 3.5 V
    L- (S11-2) - GND (S10-16) R - W-B ((1)), BR ((2)) Sound signal from radio receiver (Left) Audio system is playing A waveform synchronized with sounds is output
    L+ (S11-3) - GND (S10-16) G - W-B ((1)), BR ((2)) Sound signal from radio receiver (Left) Audio system is playing A waveform synchronized with sounds is output
    R- (S11-4) - GND (S10-16) W - W-B ((1)), BR ((2)) Sound signal from radio receiver (Right) Audio system is playing A waveform synchronized with sounds is output
    R+ (S11-5) - GND (S10-16) B - W-B ((1)),BR ((2)) Sound signal from radio receiver (Right) Audio system is playing A waveform synchronized with sounds is output
    TX- (S11-7) - GND (S10-16) W - W-B ((1)), BR ((2)) AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V
    TX+ (S11-8) - GND (S10-16) R - W-B ((1)), BR ((2)) AVC-LAN communication signal Turn ignition switch to ACC 2 to 3V
    TSSW (S11-9) ((2)) - GND (S10-16) L - W ((2))-W-B ((1)), BR ((2)) Convertible top open/ close signal Convertible top is open Below 1 V
    SPD (S11-11) - GND (S10-16) V - W-W-B ((1)), BR ((2)) Speed signal from combination meter Turn ignition switch ON. Turn drive wheels slowly. Pulse generation
    ACC (S11-12) - GND (S10-16) GR ((1)) - W-B ((1)), BR ((2)) Accessory (ON) Turn ignition switch OFF → ACC Below 1V → 10 to 14 V
    TX- (S11-19) ((2)) - GND (S10-16) W ((2)) - W-B ((1)), BR ((2)) AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    TX+ (S11-20) ((2)) - GND (S10-16) R ((2))-W-B ((1)), BR ((2)) AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    INT- (S11-22) - GND (S10-16) LG - W-B ((1)), BR ((2)) Voice signal Navigation or "Bluetooth" handsfree voice signal is provided A waveform synchronized with sounds is output
    INT+ (S11-23) - GND (S10-16) V-W-B ((1)), BR ((2)) Voice signal Navigation or "Bluetooth" handsfree voice signal is provided A waveform synchronized with sounds is output
    (1) for Coupe
    (2) for Convertible
    (3) for Convertible (with No. 1 woofer box speaker assembly)
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