AUDIO AND VISUAL SYSTEM(for Sedan Radio and Display Type) TERMINALS OF ECU

Tip:

Check from the rear of the connector while it is connected to the components.

  1. RADIO AND DISPLAY RECEIVER ASSEMBLY

    E277812N03

    Terminal No. (Symbol)

    Wiring Color

    Terminal Description

    Condition

    Specification

    E1-1 (FR+) - E1-7 (GND1)

    LG - BR

    Sound signal (Front right)

    Audio system playing

    A waveform synchronized with sounds is output

    E1-2 (FL+) - E1-7 (GND1)

    P - BR

    Sound signal (Front left)

    Audio system playing

    A waveform synchronized with sounds is output

    E1-3 (ACC1) - E1-7 (GND1)

    GR - BR

    Power source (ACC)

    Ignition switch off

    Below 1 V

    Ignition switch ACC

    11 to 14 V*1

    9.5 to 14 V*2

    E1-4 (+B1) - E1-7 (GND1)

    SB - BR

    Power source (+B)

    Always

    11 to 14 V*1

    9.5 to 14 V*2

    E1-5 (FR-) - E1-7 (GND1)

    L - BR

    Sound signal (Front right)

    Audio system playing

    A waveform synchronized with sounds is output

    E1-6 (FL-) - E1-7 (GND1)

    V - BR

    Sound signal (Front left)

    Audio system playing

    A waveform synchronized with sounds is output

    E1-7 (GND1) - Body ground

    BR - Body ground

    Ground

    Always

    Below 1 V

    E1-10 (ILL+) - E1-7 (GND1)

    G - BR

    Illumination signal

    Light control switch off

    Below 1 V

    Light control switch in tail or head position

    11 to 14 V

    E2-1 (RR+) - E1-7 (GND1)

    R - BR

    Sound signal (Rear right)

    Audio system playing

    A waveform synchronized with sounds is output

    E2-2 (RL+) - E1-7 (GND1)

    B - BR

    Sound signal (Rear left)

    Audio system playing

    A waveform synchronized with sounds is output

    E2-3 (RR-) - E1-7 (GND1)

    W - BR

    Sound signal (Rear right)

    Audio system playing

    A waveform synchronized with sounds is output

    E2-6 (RL-) - E1-7 (GND1)

    Y - BR

    Sound signal (Rear left)

    Audio system playing

    A waveform synchronized with sounds is output

    E60-1 (IG) - E1-7 (GND1)

    L - BR

    Power source (IG)

    Ignition switch off

    Below 1 V

    Ignition switch ON

    11 to 14 V

    E60-2 (REV) - E1-7 (GND1)

    R - BR

    Reverse signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    -

    E60-4 (MACC) - E1-7 (GND1)

    R - BR

    Microphone power supply

    Ignition switch off

    Below 1 V

    Ignition switch ACC

    4 to 6 V

    E60-5 (MIN+) - E1-7 (GND1)

    B - BR

    Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    -

    E60-6 (SNS2) - E1-7 (GND1)

    G - BR

    Microphone connection detection signal

    Always

    Below 1 V

    E60-9 (CANH)

    G

    CAN communication signal

    -

    -

    E60-10 (CANL)

    W

    CAN communication signal

    -

    -

    E60-11 (AGND) - Body ground

    Shield - Body ground

    Shield ground

    Always

    Below 1 V

    E60-15 (PKB) - E1-7 (GND1)

    B - BR

    Parking brake signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    -

    E60-17 (SPD) - E1-7 (GND1)

    V - BR

    Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    -

    E60-18 (SGND) - Body ground

    Shield - Body ground

    Shield ground

    Always

    Below 1 V

    E60-19 (MIN-) - E1-7 (GND1)

    W - BR

    Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    -

    E60-21 (SW1) - E60-23 (SWG)

    SB - B

    Steering pad switch signal

    No switch pushed

    2.97 to 3.56 V

    Up switch pushed

    0.27 to 0.35 V

    Down switch pushed

    0.86 to 1.03 V

    Volume+ switch pushed

    1.51 to 1.79 V

    Volume- switch pushed

    2.22 to 2.66 V

    E60-22 (SW2) - E60-23 (SWG)

    R - B

    Steering pad switch signal

    No switch pushed

    2.97 to 3.56 V

    MODE/HOLD 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

    E60-23 (SWG) - E1-7 (GND1)

    B - BR

    Steering pad switch ground

    Always

    Below 1 V

    E60-24 (SW3) - E60-23 (SWG)

    L - B

    Steering pad switch signal

    No switch pushed

    2.97 to 3.56 V

    Enter switch pushed

    0.27 to 0.35 V

    Back switch pushed

    0.86 to 1.03 V

    Right switch pushed

    1.51 to 1.79 V

    Left switch pushed

    2.22 to 2.66 V

    E60-25 (ADPG) - E1-7 (GND1)

    SB - BR

    External device connection detection signal

    External device connected

    Below 1 V

    External device not connected

    2.1 to 3 V

    E60-26 (VAR+) - E60-27 (VA-)

    G - R

    Sound signal (Right)

    External device playing (When stereo jack used)

    A waveform synchronized with sounds is output

    E60-27 (VA-) - E1-7 (GND1)

    R - BR

    Ground

    Always

    Below 1 V

    E60-28 (VAL+) - E60-27 (VA-)

    B - R

    Sound signal (Left)

    External device playing (When stereo jack used)

    A waveform synchronized with sounds is output

    E125-11 (CA+) - E1-7 (GND1)

    R - BR

    Television camera power supply

    Ignition switch ACC

    5.5 to 7.05 V

    E125-12 (V+) - E1-7 (GND1)

    B - BR

    Video signal

    Ignition switch ON

    Shift lever in R

    Camera lens not covered, displaying an image

    Pulse generation

    (Refer to waveform 1)

    Ignition switch ON

    Shift lever in R

    Camera lens covered, blacking out screen

    Pulse generation

    (Refer to waveform 2)

    E125-23 (CGND) - Body ground

    Shield - Body ground

    Shield ground

    Always

    Below 1 V

    E125-24 (V-) - E1-7 (GND1)

    W - BR

    Ground

    Always

    Below 1 V

    u2-1 (USV1)

    -

    Power source

    -

    -

    u2-2 (US1-)

    -

    Data signal

    -

    -

    u2-3 (US1+)

    -

    Data signal

    -

    -

    u2-4 (UGD1)

    -

    Ground

    -

    -

    u2-5 (USG1)

    -

    Shield ground

    -

    -

    RA-5 (ANT+) - E1-7 (GND1)

    - - BR

    Power source of antenna

    Ignition switch ACC

    Radio switch on and FM or AM selected

    11 to 14 V

    • *1: w/o Stop and Start System

    • *2: w/ Stop and Start System

    1. Reference (Oscilloscope waveform):

      1. E181025C06

        *a

        Waveform 1 (camera lens not covered, displaying an image)

        *b

        Synchronization Signal

        *c

        Video Waveform

        Waveform 1 (camera lens not covered, displaying an image)

        Item

        Content

        Measurement terminal

        E125-12 (V+) - E1-7 (GND1)

        Measurement setting

        200 mV/DIV., 50 μsec./DIV.

        Condition

        Ignition switch ON, shift lever in R

        Tip:

        The video waveform changes according to the image sent by the television camera assembly.

      2. E251305C04

        *a

        Waveform 2 (camera lens covered, blacking out the screen)

        *b

        Synchronization Signal

        *c

        Video Waveform

        Waveform 2 (camera lens covered, blacking out the screen)

        Item

        Content

        Measurement terminal

        E125-12 (V+) - E1-7 (GND1)

        Measurement setting

        200 mV/DIV., 50 μsec./DIV.

        Condition

        Ignition switch ON, shift lever in R

        Tip:

        The video waveform changes according to the image sent by the rear television camera assembly.