AUDIO AND VISUAL SYSTEM (w/ Multi-display) TERMINALS OF ECU


  1. RADIO RECEIVER ASSEMBLY

    A019MIBE01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    G37-1 (+B1) - G37-20 (GND1) V - W-B Power source (+B) Always 11 to 14 V
    G37-2 (ILL+) - G37-20 (GND1) BR - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    G37-5 (TX2+) P AVC-LAN communication signal - -
    G37-7 (MUT1) - G37-20 (GND1) GR - W-B Mute signal Audio system playing Above 3.5 V
    Audio system changing modes Below 1 V
    G37-8 (R+) - G37-20 (GND1) B - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    G37-9 (L+) - G37-20 (GND1) R - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    G37-10 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V
    G37-11 (ACC) - G37-20 (GND1) W - W-B Power source (ACC) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    G37-12 (ILL-) - G37-20 (GND1) G - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    G37-14 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V
    G37-15 (TX2-) L AVC-LAN communication signal - -
    G37-16 (IVO+) - G37-20 (GND1) G - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    G37-17 (IVO-) - G37-20 (GND1) R - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    G37-18 (R-) - G37-20 (GND1) W - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    G37-19 (L-) - G37-20 (GND1) G - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    G37-20 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V
    G38-1 (IG) - G37-20 (GND1) SB - W-B Power source (IG) Engine switch off Below 1 V
    Engine switch on (IG) 11 to 14 V
    G38-4 (MACC) - G37-20 (GND1) B - W-B Microphone power supply Engine switch off Below 1 V
    Engine switch on (ACC) 4 to 6 V
    G38-5 (MIN+) - G37-20 (GND1) W - W-B Microphone voice signal

    See "Microphone & Voice Recognition Check" in Operation Check Click here

    		-
    G38-6 (SNS2) - G37-20 (GND1) W - W-B Microphone connection detection signal Always Below 1 V
    G38-7 (TX1+) GR AVC-LAN communication signal - -
    G38-8 (TX1-) V AVC-LAN communication signal - -
    G38-9 (CANH) L CAN communication signal - -
    G38-10 (CANL) R CAN communication signal - -
    G38-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    G38-17 (SPD) - G37-20 (GND1) L - W-B Vehicle speed signal

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

    		-
    G38-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    G38-19 (MIN-) - G37-20 (GND1) R - W-B Microphone voice signal

    See "Microphone & Voice Recognition Check" in Operation Check Click here

    		-
    G38-21 (SW1) - G38-23 (SWG) V - BR Steering pad switch signal No switch pushed 2.97 to 3.56 V
    Seek+ switch pushed 0.27 to 0.35 V
    Seek- 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
    G38-22 (SW2) - G38-23 (SWG) B - BR Steering pad switch signal No switch pushed 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
    G38-23 (SWG) - G37-20 (GND1) BR - W-B Steering pad switch ground Always Below 1 V
    G38-25 (ADPG) - G37-20 (GND1) GR - W-B External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    G38-26 (VAR+) - G37-20 (GND1) W - W-B Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    G38-27 (VA-) - G37-20 (GND1) R - W-B Ground Always Below 1 V
    G38-28 (VAL+) - G37-20 (GND1) B - W-B Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    G40-1 (TX4+) B AVC-LAN communication signal - -
    G40-2 (TX4-) P AVC-LAN communication signal - -
    G40-5 (VMTF) - G37-20 (GND1) V - W-B Visual mute signal When image on display switches

    2 V or higher

    → Below 1 V

    → 2 V or higher
    G40-6 (PKB) - G37-20 (GND1) SB - W-B Parking brake signal

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

    		-
    G40-7 (CA+) - G37-20 (GND1) B - W-B Television camera power supply Within 60 seconds of turning the engine switch on (ACC) 5.5 to 7.05 V
    G40-8 (V+) - G37-20 (GND1) R - W-B Video signal

    Engine switch on (IG)

    Shift lever in R

    Camera lens not covered, displaying an image

    Pulse generation

    (Refer to waveform 1)

    Engine switch on (IG)

    Shift lever in R

    Camera lens covered, blacking out screen

    Pulse generation

    (Refer to waveform 2)
    G40-15 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    G40-16 (V-) - G37-20 (GND1) W - W-B Ground Always Below 1 V
    G52-1 (USV1) - Power source - -
    G52-2 (US1-) - Data signal - -
    G52-3 (US1+) - Data signal - -
    G52-4 (UGD1) - Ground - -
    G52-5 (USG1) - Shield ground - -
    G54-1 (GVIF) B Video signal (Digital) - -
    RA-5 (ANT+) - G37-20 (GND1) R - W-B Power source of antenna

    Engine switch on (ACC)

    Radio switch on and FM or AM selected

    		 11 to 14 V

    1. A019MQWE20
      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 G40-8 (V+) - G37-20 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), 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 G40-8 (V+) - G37-20 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), Shift lever in R

        Tech Tips

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

  2. STEREO COMPONENT AMPLIFIER ASSEMBLY

    A019MEME20
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    O42-1 (+B) - O42-3 (GND) P - W-B Power source (+B) Always 11 to 14 V
    O42-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    O42-4 (WFL+) - O42-3 (GND) R - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    O42-5 (WFR+) - O42-3 (GND) B - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    O42-6 (WF1+) - O42-3 (GND) B - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sounds is output
    O42-7 (CTR+) - O42-3 (GND) G - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sounds is output
    O42-12 (FL+) - O42-3 (GND) W - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    O42-13 (FR+) - O42-3 (GND) V - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    O42-14 (RL+) - O42-3 (GND) BR - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    O42-15 (RR+) - O42-3 (GND) Y - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    O42-16 (+B2) - O42-3 (GND) V - W-B Power source (+B) Always 11 to 14 V
    O42-18 (GND2) - Body ground W-B - Body ground Ground Always Below 1 V
    O42-19 (WFL-) - O42-3 (GND) W - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    O42-20 (WFR-) - O42-3 (GND) Y - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    O42-21 (WF1-) - O42-3 (GND) Y - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sounds is output
    O42-22 (CTR-) - O42-3 (GND) GR - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sounds is output
    O42-27 (FL-) - O42-3 (GND) R - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    O42-28 (FR-) - O42-3 (GND) P - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    O42-29 (RL-) - O42-3 (GND) G - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    O42-30 (RR-) - O42-3 (GND) L - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    O33-1 (MUTE) - O42-3 (GND) Y - W-B Mute signal Audio system playing Above 3.5 V
    Audio system changing modes Below 1 V
    O33-2 (L-) - O42-3 (GND) G - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    O33-3 (L+) - O42-3 (GND) R - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    O33-4 (R-) - O42-3 (GND) W - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    O33-5 (R+) - O42-3 (GND) R - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    O33-7 (TX-) L AVC-LAN communication signal - -
    O33-8 (TX+) BR AVC-LAN communication signal - -
    O33-11 (SPD) - O42-3 (GND) V - W-B Vehicle speed signal

    Engine switch on (IG)

    Wheel being rotated

    		 Pulse generation
    O33-12 (ACC) - O42-3 (GND) P - W-B Power source (ACC) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    O33-14 (II1-) - O42-3 (GND) R - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    O33-15 (II1+) - O42-3 (GND) G - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output

  3. MULTI-DISPLAY ASSEMBLY

    A019LRHE01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    G41-2 (ILL) - G41-13 (GND1) G - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    G41-7 (TX+) B AVC-LAN communication signal - -
    G41-11 (VMTI) - G41-13 (GND1) V - W-B Visual mute signal When image on display switches

    2 V or higher

    → Below 1 V

    → 2 V or higher
    G41-12 (+B) - G41-13 (GND1) SB - W-B Power source (+B) Always 11 to 14 V
    G41-13 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V
    G41-19 (TX-) P AVC-LAN communication signal - -
    G41-24 (ACC) - G41-13 (GND1) LG - W-B Power source (ACC) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    G55-1 (GVIF) B Video signal (Digital) - -

  4. REMOTE OPERATION BOARD

    A019MDSE03
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    G44-1 (ACC) - G44-3 (GND) Y - W-B Power source (ACC) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    G44-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    G44-4 (TX+) GR AVC-LAN communication signal - -
    G44-6 (ILL+) - G44-3 (GND) BR - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    G44-7 (ILL-) - G44-3 (GND) W - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    G44-8 (TX-) V AVC-LAN communication signal - -