AUDIO AND VISUAL SYSTEM(for Radio Receiver Type) TERMINALS OF ECU


  1. CHECK RADIO RECEIVER ASSEMBLY

    A002LQ9E01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H1-1 (FR+) - H1-7 (GND1) LG - BR Sound signal (Front right) Audio system playing Waveform synchronized with sound is output
    H1-2 (FL+) - H1-7 (GND1) P - BR Sound signal (Front left) Audio system playing Waveform synchronized with sound is output
    H1-3 (ACC1) - H1-7 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    H1-4 (+B1) - H1-7 (GND1) SB - BR Power source (+B) Always 11 to 14 V
    H1-5 (FR-) - H1-7 (GND1) L - BR Sound signal (Front right) Audio system playing Waveform synchronized with sound is output
    H1-6 (FL-) - H1-7 (GND1) V - BR Sound signal (Front left) Audio system playing Waveform synchronized with sound is output
    H1-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 Ω
    H1-10 (ILL+) - H1-7 (GND1) G - BR Illumination signal Light control switch off → tail or head Below 1 V → 11 to 14 V
    H2-1 (RR+) - H1-7 (GND1) R - BR Sound signal (Rear right) Audio system playing Waveform synchronized with sound is output
    H2-2 (RL+) - H1-7 (GND1) Y - BR Sound signal (Rear left) Audio system playing Waveform synchronized with sound is output
    H2-3 (RR-) - H1-7 (GND1) W - BR Sound signal (Rear right) Audio system playing Waveform synchronized with sound is output
    H2-6 (RL-) - H1-7 (GND1) B - BR Sound signal (Rear left) Audio system playing Waveform synchronized with sound is output
    H114-17 (SPD) - H1-7 (GND1) V - BR Vehicle speed signal Drive wheels turned slowly Pulse generation
    H114-11 (AGND) - Body ground Shielded - Body ground Shield ground Always Below 1 Ω
    H114-21 (SW1) - H1-7 (GND1) W - BR Steering pad switch signal Steering pad switch not operated 2.97 to 3.56 V
    SEEK+ switch pushed 0.27 to 0.35 V
    SEEK- switch pushed 0.86 to 1.03 V
    VOL+ switch pushed 1.51 to 1.79 V
    VOL- switch pushed 2.22 to 2.66 V
    H114-22 (SW2) - H1-7 (GND1) R - BR Steering pad switch signal Steering pad switch not operated 2.97 to 3.56 V
    MODE switch pushed 0.27 to 0.35 V
    On hook switch pushed 0.86 to 1.03 V
    Off hook switch pushed 1.51 to 1.79 V
    Voice switch pushed 2.22 to 2.66 V
    H114-23 (SWG) - Body ground W-B - Body ground Ground Always Below 1 Ω
    H114-25 (ADPG) - H1-7 (GND1) L - BR External device connection detection signal External device connected Below 1 V
    H114-26 (VAR+) - H1-7 (GND1) W - BR Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sound is output
    H114-27 (VA-) - H1-7 (GND1) R - BR Ground Always Below 1 Ω
    H114-28 (VAL+) - H1-7 (GND1) B - BR Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sound is output
    H115-1 - H115-4 # - # Power source Always 4.5 to 5.5 V
    H115-2 - H115-4 # - # Data signal USB device or "iPod" connected -
    H115-3 - H115-4 # - # Data signal USB device or "iPod" connected -
    H115-4 - Body ground # - Body ground Ground Always Below 1 Ω
    H115-5 - Body ground Shielded - Body ground Shield ground Always Below 1 Ω

    • #: There is no wire color information.