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Terminals Of Ecu

  1. RADIO RECEIVER (SEPARATE TYPE AMPLIFIER) 
    Fig 1: Identifying Terminals Of ECU
    G05237077Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION SPECIFICATION CONDITION CHART

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    B (R16-1) - GND (R16-20) L-W - BR Battery/ Always 10 to 14 V
    ILL+ (R16-2) - GND (R16-20) G - BR Illumination (rheostat) signal Light control switch OFF → TAIL or HEAD (Light intensity is max.) Below 1 V → 10 to 14 V
    TX+ (R16-5) - GND (R16-20) P - BR AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    MUTE (R16-7) - GND (R16-20) W - BR MUTE signal Audio system is playing → changing Above 3.5 V → Below 1 V
    R+ (R16-8) - GND (R16-20) R - BR Sound signal (Right) Audio system is playing A wave form synchronized with sounds is output
    L+ (R16-9) - GND (R16-20) B - BR Sound signal (Left) Audio system is playing A wave form synchronized with sounds is output
    SLD (R16-10) - Body ground Shielded - Body ground Shield ground Always Below 1 V
    ACC (R16-11) - GND (R16-20) GR - BR Accessory (ON) Turn ignition switch OFF → ACC 10 to 14 V
    ILL- (R16-12) - GND (R16-20) W-B - BR Illumination (rheostat) signal Light control switch OFF → TAIL or HEAD (Light intensity is not max. or min.) Below 1 V → Pulse generation
    ANT+ (R16-13) - GND (R16-20) B - BR Power source of antenna Radio switch ON and AM or FM 10 to 14 V
    TX- (R16-15) - GND (R16-20) V - BR AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    R- (R16-18) - GND (R16-20) W - BR Sound signal (Right) Audio system is playing A wave form synchronized with sounds is output
    L- (R16-19) - GND (R16-20) G - BR Sound signal (Left) Audio system is playing A wave form synchronized with sounds is output
    GND (R16-20) - Body ground BR - Body ground Ground Always Below 1 V
  2. RADIO RECEIVER (BUILT-IN TYPE AMPLIFIER) 
    Fig 2: Identifying Radio Receiver (Built-In Type Amplifier) Connector Terminals
    G05237078Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION SPECIFICATION CONDITION CHART

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    FR+ (R16-1) - GND (R16-7) LG - BR Sound signal (Front Right) Audio system is playing A wave form synchronized with sounds is output
    FL+ (R16-2) - GND (R16-7) P - BR Sound signal (Front Left) Audio system is playing A wave form synchronized with sounds is output
    ACC (R16-3) - GND (R16-7) GR - BR Accessory (ON) Turn ignition switch OFF → ACC Below 1 V → 10 to 14 V
    +B (R16-4) - GND (R16-7) L-W - BR Battery Always 10 to 14 V
    FR- (R16-5) - GND (R16-7) L - BR Sound signal (Front Right) Audio system is playing A wave form synchronized with sounds is output
    FL- (R16-6) - GND (R16-7) V - BR Sound signal (Front Left) Audio system is playing A wave form synchronized with sounds is output
    GND (R16-7) - Body ground BR - Body ground Ground Always Below 1 V
    ANT+ (R16-8) - GND (R16-7) B - BR Power source of antenna Radio switch ON and AM or FM 10 to 14 V
    ILL+ (R16-10) - GND (R16-7) G - BR Illumination (rheostat) signal Light control switch OFF → TAIL or HEAD (Light intensity is max.) Below 1V → 10 to 14 V
    RR+ (R17-1) - GND (R16-7) R - BR Sound signal (Rear Right) Audio system is playing A wave form synchronized with sounds is output
    RL+ (R17-2) - GND (R16-7) B - BR Sound signal (Rear Left) Audio system is playing A wave form synchronized with sounds is output
    RR- (R17-3) - GND (R16-7) W - BR Sound signal (Rear Right) Audio system is playing A wave form synchronized with sounds is output
    ILL- (R17-5) - GND (R16-7) W-B - BR Illumination (rheostat) signal Light control switch OFF → TAIL HEAD (Light intensity is not max. min.) Below 1 V → Pulse generation
    RL- (R17-6) - GND (R16-7) Y - BR Sound signal (Rear Left) Audio system is playing A wave form synchronized with sounds is output
  3. STEREO COMPONENT AMPLIFIER 
    Fig 3: Identifying Stereo Component Amplifier Connector Terminals
    G05237079Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION SPECIFICATION CONDITION CHART

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specification
    B+ (S13-1) - GND (S13-16) L-R - W-B Battery Always 10 to 14 V
    WF2+ (S13-2) - GND (S13-16) Y - W-B Sound signal (Woofer Box) Audio system is playing A wave form synchronized with sounds is output
    WF1+ (S13-3) - GND (S13-16) LG - W-B Sound signal (Woofer Box) Audio system is playing A wave form synchronized with sounds is output
    RL+ (S13-4) - GND (S13-16) B - W-B Sound signal (Rear Left) Audio system is playing A wave form synchronized with sounds is output
    RR+ (S13-5) - GND (S13-16) R - W-B Sound signal (Rear Right) Audio system is playing A wave form synchronized with sounds is output
    TWL+ (S13-6) - GND (S13-16) R-W - W-B Sound signal (Front Left) Audio system is playing A wave form synchronized with sounds is output
    TWR+ (S13-7) - GND (S13-16) G-W - W-B Sound signal (Front Right) Audio system is playing A wave form synchronized with sounds is output
    FL+ (S13-8) - GND (S13-16) P - W-B Sound signal (Front Left) Audio system is playing A wave form synchronized with sounds is output
    FR+ (S13-9) - GND (S13-16) LG - W-B Sound signal (Front Right) Audio system is playing A wave form synchronized with sounds is output
    B2+ (S13-10) - GND (S13-16) L-R - W-B Battery Always 10 to 14 V
    WF2- (S13-11) - GND (S13-16) B - W-B Sound signal (Woofer Box) Audio system is playing A wave form synchronized with sounds is output
    WF1- (S13-12) - GND (S13-16) L - W-B Sound signal (Woofer Box) Audio system is playing A wave form synchronized with sounds is output
    RL- (S13-13) - GND (S13-16) Y - W-B Sound signal (Rear Left) Audio system is playing A wave form synchronized with sounds is output
    RR- (S13-14) - GND (S13-16) W - W-B Sound signal (Rear Right) Audio system is playing A wave form synchronized with sounds is output
    GND2 (S13-15) - Body ground W-B - Body ground Ground Always Below 1 V
    GND (S13-16) - Body ground W-B - Body ground Ground Always Below 1 V
    TWL- (S13-17) - GND (S13-16) L-W - W-B Sound signal (Front Left) Audio system is playing A wave form synchronized with sounds is output
    TWR- (S13-18) - GND (S13-16) BR - W-B Sound signal (Front Right) Audio system is playing A wave form synchronized with sounds is output
    FL- (S13-19) - GND (S13-16) V - W-B Sound signal (Front Left) Audio system is playing A wave form synchronized with sounds is output
    FR- (S13-20) - GND (S13-16) L - W-B Sound signal (Front Right) Audio system is playing A wave form synchronized with sounds is output
    MUTE (S14-1) - GND (S13-16) W - W-B Mute signal from radio receiver Audio system is playing → changing Above 3.5 V → Below 3.5 V
    L- (S14-2) - GND (S13-16) G - W-B Sound signal from radio receiver (Left) Audio system is playing A wave form synchronized with sounds is output
    L+ (S14-3) - GND (S13-16) B - W-B Sound signal from radio receiver (Left) Audio system is playing A wave form synchronized with sounds is output
    R- (S14-4) - GND (S13-16) W - W-B Sound signal from radio receiver (Right) Audio system is playing A wave form synchronized with sounds is output
    R+ (S14-5) - GND (S13-16) R - W-B Sound signal from radio receiver (Right) Audio system is playing A wave form synchronized with sounds is output
    TX- (S14-7) - GND (S13-16) V - W-B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    TX+ (S14-8) - GND (S13-16) P - W-B AVC-LAN communication signal Turn ignition switch to ACC 2 to 3 V
    ACC (S14-12) - GND (S13-16) GR - W-B Accessory (ON) Turn ignition switch OFF → ACC Below 1 V → 10 to 14 V
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