NAVIGATION SYSTEM (for Radio and Display Type) TERMINALS OF ECU


  1. RADIO AND DISPLAY RECEIVER ASSEMBLY

    A01EM0EE19
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    E4-1 (FR+) - E4-7 (GND1) R - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    E4-2 (FL+) - E4-7 (GND1) B - BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    E4-3 (ACC1) - E4-7 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    E4-4 (+B1) - E4-7 (GND1) SB - BR Power source (+B) Always 11 to 14 V
    E4-5 (FR-) - E4-7 (GND1) G - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    E4-6 (FL-) - E4-7 (GND1) W - BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    E4-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    E4-10 (ILL+) - E4-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    E5-2 (RL+) - E4-7 (GND1) W - BR Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    E5-5 (ILL-) - E4-7 (GND1) W - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    E5-6 (RL-) - E4-7 (GND1) B - BR Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    E42-1 (IG) - E4-7 (GND1) V - BR Power source (IG) Ignition switch off Below 1 V
    Ignition switch ON 11 to 14 V
    E42-4 (MACC) - E4-7 (GND1) R - BR Microphone power supply Ignition switch off Below 1 V
    Ignition switch ACC 4 to 6 V
    E42-5 (MIN+) - E4-7 (GND1) B - BR Microphone voice signal

    See "Microphone Level Test" in Operation Check Click here

    -
    E42-6 (SNS2) - E4-7 (GND1) Y - BR Microphone connection detection signal Always Below 1 V
    E42-7 (TX1+) R AVC-LAN communication signal - -
    E42-8 (TX1-) G AVC-LAN communication signal - -
    E42-9 (CANH) SB CAN communication signal - -
    E42-10 (CANL) W CAN communication signal - -
    E42-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    E42-17 (SPD) - E4-7 (GND1) BR - BR Vehicle speed signal

    See "Vehicle Signal Check Mode" in Operation Check Click here

    -
    E42-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    E42-19 (MIN-) - E4-7 (GND1) W - BR Microphone voice signal

    See "Microphone Level Test" in Operation Check Click here

    -
    E42-20 (MUT1) - E4-7 (GND1) LG - BR Mute signal Audio system playing 3.5 V or higher
    Audio system changing modes Below 1 V
    E42-21 (SW1) - E42-23 (SWG) GR - R 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
    E42-22 (SW2) - E42-23 (SWG) LG - R 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
    Voice switch pushed 2.22 to 2.66 V
    E42-23 (SWG) - E4-7 (GND1) R - BR Steering pad switch ground Always Below 1 V
    E42-24 (SW3) - E42-23 (SWG) L - R 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
    E42-25 (ADPG) - E4-7 (GND1) SB - BR External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    E42-26 (VAR+) - E42-27 (VA-) R - W Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    E42-27 (VA-) - E4-7 (GND1) W - BR Ground Always Below 1 V
    E42-28 (VAL+) - E42-27 (VA-) B - W Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    E44-6 (PKB) - E4-7 (GND1) LG - BR Parking brake signal

    See "Vehicle Signal Check Mode" in Operation Check Click here

    -
    E44-7 (CA+) - E4-7 (GND1)*1 B - BR Television camera power supply Within 60 seconds of turning the ignition switch to ACC 5.5 to 7.05 V
    E44-8 (V+) - E4-7 (GND1)*1 R - 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)

    E44-15 (CGND) - Body ground*1 Shield - Body ground Shield ground Always Below 1 V
    E44-16 (V-) - E4-7 (GND1)*1 W - BR Ground Always Below 1 V
    V2-1 (B+) - E4-7 (GND1) R - BR Power source Always 11 to 14 V
    V2-2 (SPD) - E4-7 (GND1) G - BR Vehicle speed signal

    See "Vehicle Signal Check Mode" in Operation Check Click here

    -
    V2-6 (VSYN) Y Display signal - -
    V2-7 (HSYN) W Display signal - -
    V2-8 (AGND) - E4-7 (GND1) BR - BR Ground Always Below 1 V
    V2-9 (VSHD) - Body ground W-B - Body ground Shield ground Always Below 1 V
    V2-10 (V-B) B Display signal - -
    V2-11 (V-G) G Display signal - -
    V2-12 (V-R) R Display signal - -
    V2-13 (ACC) - E4-7 (GND1) SB - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    V2-14 (E) - Body ground W-B - Body ground Ground Always Below 1 V
    V2-19 (MIC+) - E4-7 (GND1) L - BR Microphone voice signal

    See "Microphone Level Test" in Operation Check Click here

    -
    V2-20 (MIC-) - E4-7 (GND1) V - BR Microphone voice signal

    See "Microphone Level Test" in Operation Check Click here

    -
    V2-21 (SHD2) - Body ground BR - Body ground Shield ground Always Below 1 V
    V2-22 (VOL+) - E4-7 (GND1) G - BR Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    V2-23 (VOL-) - E4-7 (GND1) V - BR Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    V2-24 (SHD1) - Body ground B - Body ground Shield ground Always Below 1 V
    V3-1 (SHD3) - Body ground W-B - Body ground Shield ground Always Below 1 V
    V3-2 (R+) - E4-7 (GND1) R - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    V3-3 (R-) - E4-7 (GND1) W - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    V3-4 (L+) - E4-7 (GND1) B - BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    V3-5 (L-) - E4-7 (GND1) G - BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    V3-6 (MUTE) - E4-7 (GND1) LG - BR Mute signal Audio system playing 3.5 V or higher
    Audio system changing modes Below 1 V
    V3-9 (AVC+) P AVC-LAN communication signal - -
    V3-10 (AVC-) BE AVC-LAN communication signal - -
    RA-5 (ANT+) - E4-7 (GND1) - - BR Power source of antenna

    Ignition switch ACC

    Radio switch on and FM or AM selected

    11 to 14 V

    • *1: w/ Rear View Monitor System


    1. A01EK5FE20
      Text in Illustration
      *a Waveform 1 (camera lens not covered, displaying an image)
      *b Waveform 2 (camera lens covered, blacking out the screen)
      *c Synchronization Signal
      *d Video Waveform

      Reference (Oscilloscope waveform):


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

        Item Content
        Measurement terminal E44-8 (V+) - E4-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μs./DIV.
        Condition Ignition switch ON, shift lever in R

        Tech Tips

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

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

        Item Content
        Measurement terminal E44-8 (V+) - E4-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μs./DIV.
        Condition Ignition switch ON, shift lever in R

        Tech Tips

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

  2. EXTENSION MODULE

    A01EIN9E05
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    V1-1 (MUTE) - V1-32 (E) LG - W-B Mute signal Mute off 3.5 V or higher
    Mute on Below 1 V
    V1-2 (AVC+) P AVC-LAN communication signal - -
    V1-3 (AVC-) BE AVC-LAN communication signal - -
    V1-5 (VSYN) Y Display signal - -
    V1-6 (V-B) B Display signal - -
    V1-7 (V-R) R Display signal - -
    V1-9 (MIC+) - V1-32 (E) L - W-B Microphone voice signal

    See "Microphone Level Test" in Operation Check Click here

    -
    V1-11 (ACC) - V1-32 (E) SB - W-B Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    V1-12 (R-) - V1-32 (E) W - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    V1-13 (R+) - V1-32 (E) R - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    V1-14 (L-) - V1-32 (E) G - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    V1-15 (L+) - V1-32 (E) B - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    V1-16 (B+) - V1-32 (E) R - W-B Power source (+B) Always 11 to 14 V
    V1-18 (SPD) - V1-32 (E) G - W-B Vehicle speed signal

    Ignition switch ON

    Wheel being rotated

    Pulse generation
    V1-20 (AGND) - V1-32 (E) BR - W-B Ground Always Below 1 V
    V1-21 (VSHD) - Body ground W-B - Body ground Shield ground Always Below 1 V
    V1-22 (HSYN) W Display signal - -
    V1-23 (V-G) G Display signal - -
    V1-24 (SHD2) - Body ground BR - Body ground Shield ground Always Below 1 V
    V1-25 (MIC-) - V1-32 (E) V - W-B Microphone voice signal

    See "Microphone Level Test" in Operation Check Click here

    -
    V1-28 (SHD3) - Body ground W-B - Body ground Shield ground Always Below 1 V
    V1-29 (SHD1) - Body ground B - Body ground Shield ground Always Below 1 V
    V1-30 (VOL-) - V1-32 (E) V - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    V1-31 (VOL+) - V1-32 (E) G - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    V1-32 (E) - Body ground W-B - Body ground Ground Always Below 1 V
    E50-1 (UPO) - Power source - -
    E50-2 (UDO-) - Data signal - -
    E50-3 (UDO+) - Data signal - -
    E50-4 (UESG) - Ground - -
    E50-5 (USG1) - Shield ground - -
    RA-5 (ANT+) - V1-32 (E) - - W-B Power source of antenna

    Ignition switch ACC

    Radio switch on and FM or AM selected

    11 to 14 V
  3. STEREO COMPONENT AMPLIFIER ASSEMBLY

    A01EJPWE01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    E12-1 (WFL+) - E13-2 (GND) LG - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    E12-2 (WFR+) - E13-2 (GND) P - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    E12-3 (CTR+) - E13-2 (GND) G - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sounds is output
    E12-4 (WF2+) - E13-2 (GND) P - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    E12-5 (WFL-) - E13-2 (GND) L - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    E12-6 (WFR-) - E13-2 (GND) V - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    E12-7 (RR-) - E13-2 (GND) W - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    E12-8 (RR+) - E13-2 (GND) R - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    E12-9 (CTR-) - E13-2 (GND) R - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sounds is output
    E12-10 (WF2-) - E13-2 (GND) Y - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    E13-1 (+B) - E13-2 (GND) R - W-B Power source (+B) Always 11 to 14 V
    E13-2 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    E13-3 (+B2) - E13-2 (GND) R - W-B Power source (+B) Always 11 to 14 V
    E13-6 (GND2) - Body ground W-B - Body ground Ground Always Below 1 V
    E14-1 (MUTE) - E13-2 (GND) LG - W-B Mute signal Audio system playing 3.5 V or higher
    Audio system changing modes Below 1 V
    E14-2 (L-) - E13-2 (GND) W - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    E14-3 (L+) - E13-2 (GND) B - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    E14-4 (R-) - E13-2 (GND) G - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    E14-5 (R+) - E13-2 (GND) R - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    E14-6 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V
    E14-7 (TX-) G AVC-LAN communication signal - -
    E14-8 (TX+) R AVC-LAN communication signal - -
    E14-11 (SPD) - E13-2 (GND) P - W-B Vehicle speed signal

    Ignition switch ON

    Wheel being rotated

    Pulse generation
    E14-12 (ACC) - E13-2 (GND) G - W-B Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    E14-14 (II1-) - E13-2(GND) B - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    E14-15 (II1+) - E13-2 (GND) W - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    E14-18 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V
    E15-1 (SL+) - E13-2 (GND) L - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    E15-2 (SR+) - E13-2 (GND) LG - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    E15-3 (FL+) - E13-2 (GND) G - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    E15-4 (RL+) - E13-2 (GND) B - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    E15-5 (WF1+) - E13-2 (GND) P - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    E15-6 (SL-) - E13-2 (GND) LG - W-B Sound -signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    E15-7 (SR-) - E13-2 (GND) L - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    E15-8 (FL-) - E13-2 (GND) R - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    E15-9 (FR-) - E13-2 (GND) P - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    E15-10 (FR+) - E13-2 (GND) BR - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    E15-11 (RL-) - E13-2 (GND) Y - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    E15-12 (WF1-) - E13-2 (GND) V - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output