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

  1. CHECK RADIO RECEIVER ASSEMBLY

    E354559E01

    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.