AUDIO AND VISUAL SYSTEM(for 12.3 Inch Display) TERMINALS OF ECU

Tech Tips

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


  1. RADIO RECEIVER ASSEMBLY

    A01QBM7E04
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    r1-1 (CANH) LG CAN communication signal - -
    r1-2 (CANL) L CAN communication signal - -
    r1-3 (CNH1) R Local bus communication signal - -
    r1-4 (CNL1) G Local bus communication signal - -
    r1-10 (VMTF) - r1-12 (GND1) R - W-B Visual mute signal

    Engine switch on (ACC)

    Screen display changes

    3.5 V or higher

    → Below 1 V

    → 3.5 V or higher
    r1-12 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V
    r1-13 (ILL-) - r1-12 (GND1) L - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    r1-14 (ILL+) - r1-12 (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
    r1-15 (IG) - r1-12 (GND1) B - W-B Power source (IG) Engine switch off Below 1 V
    Engine switch on (IG) 11 to 14 V
    r1-16 (ACC1) - r1-12 (GND1) BR - W-B Power source (ACC) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    r1-17 (+B1) - r1-12 (GND1) BG - W-B Power source (+B) Always 11 to 14 V
    r1-18 (V+) - r1-12 (GND1) SB - 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)
    r1-19 (V-) - r1-12 (GND1) V - W-B Ground Always Below 1 V
    r1-27 (MIN+) - r1-12 (GND1) W - W-B Microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    r1-28 (SGND) - Body ground Y - Body ground Shield ground Always Below 1 V
    r1-29 (MACC) - r1-12 (GND1) B - W-B Microphone power supply Engine switch off Below 1 V
    Engine switch on (ACC) 4 to 6 V
    r1-30 (SW1) - r1-32 (SWG) G - P 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
    r1-31 (SW2) - r1-32 (SWG) L - P 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
    r1-32 (SWG) - Body ground P - Body ground Steering pad switch signal Always Below 1 V
    r1-39 (CA+) - r1-12 (GND1) B - W-B Television camera power supply Engine switch on (ACC) 5.5 to 7.05 V
    r1-40 (CGND) - Body ground LG - Body ground Shield ground Always Below 1 V
    r1-45 (TX3+) Y AVC-LAN communication signal - -
    r1-46 (TX3-) BR AVC-LAN communication signal - -
    r1-48 (MIN-) - Body ground Y - Body ground Microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    r1-49 (SNS2) - r1-12 (GND1) W - W-B Microphone connection detection signal Always Below 1 V
    r1-56 (SPD) - r1-12 (GND1) GR - W-B Vehicle speed signal

    See "Vehicle Signal Check Mode" in Operation Check

    Click here

    		-
    K58-5 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    K58-6 (VV+) - r1-12 (GND1) B - W-B Video signal External device playing (when stereo jack used) A waveform synchronized with video signals is output
    K58-7 (VAR+) - K58-15 (VA-) W - R Sound signal (Right) External device playing (when stereo jack used) A waveform synchronized with sound signals is output
    K58-8 (VAL+) - K58-15 (VA-) B - R Sound signal (Left) External device playing (when stereo jack used) A waveform synchronized with sound signals is output
    K58-13 (SG) - r1-12 (GND1) Shield - W-B Shield ground Always Below 1 V
    K58-14 (VV-) - r1-12 (GND1) W - W-B Video signal ground Always Below 1 V
    K58-15 (VA-) - r1-12 (GND1) R - W-B Sound signal ground Always Below 1 V
    K58-16 (ADPG) - r1-12 (GND1) Y - W-B External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    K115-1 (WUO) W MOST communication wake-up signal - -
    K115-2 (MI+) B MOST communication signal - -
    K115-3 (MI-) B MOST communication signal - -
    K115-4 (SLDI) Shield Shield ground - -
    K115-5 (MO+) B MOST communication signal - -
    K115-6 (MO-) B MOST communication signal - -
    K115-7 (SLDO) Shield Shield ground - -
    r2-7 (GND2) - Body ground P - Body ground Ground Always Below 1 V
    r2-12 (+B) - r1-12 (GND1) SB - W-B Power source (+B) Always 11 to 14 V
    K119-1 (USV1) - Power source - -
    K119-2 (US1-) - Data signal - -
    K119-3 (US1+) - Data signal - -
    K119-4 (UGD1) - Ground - -
    K119-5 (USG1) - Shield ground - -
    s1-1 (GVIF) B Video signal (Digital) - -
    RA-5 (ANT+) - r1-12 (GND1) - - W-B Power source of antenna

    Engine switch on (ACC)

    Radio switch on and AM or FM selected

    		 11 to 14 V

    1. Reference (Oscilloscope waveform):


      1. A01QCE2C10
        *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 r1-18 (V+) - r1-12 (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. A01Q9GRC09
        *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 r1-18 (V+) - r1-12 (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

    A01QD34E14
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    T32-1 (+B) - T32-3 (GND) B - W-B Power source (+B) Always 11 to 14 V
    T32-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    T32-4 (WFL+) - T32-3 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    T32-5 (WFR+) - T32-3 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    T32-6 (WF1+) - T32-3 (GND) R - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    T32-7 (CTR+) - T32-3 (GND) Y - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sound signals is output
    T32-10 (SL+) - T32-3 (GND) LG - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    T32-11 (SR+) - T32-3 (GND) B - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    T32-12 (FL+) - T32-3 (GND) W - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    T32-13 (FR+) - T32-3 (GND) R - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    T32-14 (RL+) - T32-3 (GND) B - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    T32-15 (RR+) - T32-3 (GND) R - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    T32-16 (+B2) - T32-3 (GND) G - W-B Power source (+B) Always 11 to 14 V
    T32-17 (SPD) - T32-3 (GND) SB - W-B Vehicle speed signal

    Engine switch on (IG)

    Wheel being rotated

    		 Pulse generation
    T32-18 (GND2) - Body ground W-B - Body ground Ground Always Below 1 V
    T32-19 (WFL-) - T32-3 (GND) R - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    T32-20 (WFR-) - T32-3 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    T32-21 (WF1-) - T32-3 (GND) W - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    T32-22 (CTR-) - T32-3 (GND) B - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sound signals is output
    T32-25 (SL-) - T32-3 (GND) L - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    T32-26 (SR-) - T32-3 (GND) Y - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    T32-27 (FL-) - T32-3 (GND) R - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    T32-28 (FR-) - T32-3 (GND) P - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    T32-29 (RL-) - T32-3 (GND) Y - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    T32-30 (RR-) - T32-3 (GND) W - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    T41-2 (MI+) B MOST communication signal - -
    T41-3 (MI-) B MOST communication signal - -
    T41-4 (SLDI) Shield Shield ground - -
    T41-5 (MO+) B MOST communication signal - -
    T41-6 (MO-) B MOST communication signal - -
    T41-7 (SLDO) Shield Shield ground - -
    T41-8 (WUI) W MOST communication wake-up signal - -

  3. ACCESSORY METER ASSEMBLY

    A01XRPEE20
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    K126-2 (ILL) - K126-13 (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
    K126-3 (REV) - K126-13 (GND1) W - W-B Reverse signal

    Engine switch on (IG)

    Shift lever in R

    		 11 to 14 V
    K126-6 (TX1+) B AVC-LAN communication signal - -
    K126-7 (TX+) L AVC-LAN communication signal - -
    K126-11 (VMTI) - K126-13 (GND1) Y - W-B Visual mute signal Image on display changing

    3.5 V or higher

    → Below 1 V

    → 3.5 V or higher
    K126-12 (B) - K126-13 (GND1) P - W-B Power source (+B) Always 11 to 14 V
    K126-13 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V
    K126-15 (WUI) Y Local bus communication signal - -
    K126-16 (WUO) B Local bus communication signal - -
    K126-18 (TX1-) W AVC-LAN communication signal - -
    K126-19 (TX-) LG AVC-LAN communication signal - -
    K126-23 (IG) - K126-13 (GND1) LG - W-B Power source (IG) Engine switch off Below 1 V
    Engine switch on (IG) 11 to 14 V
    K126-24 (ACC) - K126-13 (GND1) GR - W-B Power source (ACC) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    s3-1 (GVIF) B Video signal (Digital) - -

  4. REMOTE TOUCH

    A01QCYME16
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    K50-1 (+B) - K50-15 (GND) P - W-B Power source (+B) Always 11 to 14 V
    K50-2 (ACC) - K50-15 (GND) GR - W-B Power source (ACC) Engine switch on (ACC) 11 to 14 V
    Engine switch off Below 1 V
    K50-4 (MO-) V Local bus communication signal - -
    K50-5 (MO+) W Local bus communication signal - -
    K50-9 (ILL+) - K50-15 (GND) G - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    K50-12 (MI-) Y Local CAN communication signal - -
    K50-13 (MI+) B Local CAN communication signal - -
    K50-15 (GND) - Body ground W-B Ground Always Below 1 V
    K50-16 (ILL-) - K50-15 (GND) W - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation

  5. COMBINATION METER ASSEMBLY

    Click here

  6. HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) (w/ Headup Display (Meter Mirror Sub-assembly))

    Click here