AUDIO AND VISUAL SYSTEM(except 8 Speakers) TERMINALS OF ECU

Tech Tips

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


  1. RADIO RECEIVER ASSEMBLY

    A0008MEE07
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H97-1 (CANH) BE CAN communication signal - -
    H97-2 (CANL) W CAN communication signal - -
    H97-3 (CNH1) W Local bus communication signal - -
    H97-4 (CNL1) V Local bus communication signal - -
    H97-10 (VMTF) - H97-12 (GND1) G - W-B Visual mute signal

    Power switch on (ACC)

    Screen display changes

    3.5 V or higher

    → Below 1 V

    → 3.5 V or higher
    H97-12 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V
    H97-13 (ILL-) - H97-12 (GND1) GR - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    H97-14 (ILL+) - H97-12 (GND1) G - W-B Illumination signal Light control switch off Below 1 V

    Power switch off

    Light control switch in tail or head position

    		 11 to 14 V
    H97-15 (IG) - H97-12 (GND1) V - W-B Power source (IG) Power switch off Below 1 V
    Power switch on (IG) 11 to 14 V
    H97-16 (ACC1) - H97-12 (GND1) GR - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    H97-17 (+B1) - H97-12 (GND1) L - W-B Power source (+B) Power switch off 11 to 14 V
    H97-18 (V+) - H97-12 (GND1) W - W-B Video signal

    Power switch on (IG)

    Shift lever in R

    Camera lens not covered, displaying an image

    		 Pulse generation (Refer to waveform 1)

    Power switch on (IG)

    Shift lever in R

    Camera lens covered, blacking out screen

    		 Pulse generation (Refer to waveform 2)
    H97-19 (V-) - H97-12 (GND1) R - W-B Ground Always Below 1 V
    H97-20 (CNH2) W Local bus communication signal - -
    H97-21 (CNL2) Y Local bus communication signal - -
    H97-27 (MIN+) - H97-12 (GND1) W - W-B Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    H97-28 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    H97-29 (MACC) - H97-12 (GND1) R - W-B Microphone power supply Power switch off Below 1 V
    Power switch on (ACC) 4 to 6 V
    H97-30 (SW1) - H97-32 (SWG) L - W-B 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
    H97-31 (SW2) - H97-32 (SWG) R - W-B 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
    H97-32 (SWG) - Body ground W-B - Body ground Steering pad switch signal Always Below 1 V
    H97-39 (CA+) - H97-12 (GND1) B - W-B Television camera power supply Power switch on (ACC) 5.5 to 7.05 V
    H97-40 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    H97-45 (TX3+) P AVC-LAN communication signal - -
    H97-46 (TX3-) V AVC-LAN communication signal - -
    H97-48 (MIN-) - Body ground B - Body ground Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    H97-49 (SNS2) - H97-12 (GND1) V - W-B Microphone connection detection signal Always Below 1 V
    H97-55 (PKB) - H97-12 (GND1) G - W-B Parking brake signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    H97-56 (SPD) - H97-12 (GND1) W - W-B Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    H98-5 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    H98-6 (VV+) - H97-12 (GND1) R - W-B Video signal

    External device system playing

    (when stereo jack used)

    		 A waveform synchronized with video signals is output
    H98-7 (VAR+) - H98-15 (VA-) B - R Sound signal (Right)

    External device system playing

    (when stereo jack used)

    		 A waveform synchronized with sound signals is output
    H98-8 (VAL+) - H98-15 (VA-) W - R Sound signal (Left)

    External device system playing

    (when stereo jack used)

    		 A waveform synchronized with sound signals is output
    H98-13 (SG) - Body ground Shield - Body ground Shield ground Always Below 1 V
    H98-14 (VV-) - H97-12 (GND1) G - W-B Video signal ground Always Below 1 V
    H98-15 (VA-) - H97-12 (GND1) R - W-B Ground Always Below 1 V
    H98-16 (ADPG) - H97-12 (GND1) G - W-B External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    H156-1 (WUO) W MOST communication wake-up signal - -
    H156-2 (MI+) B MOST communication signal - -
    H156-3 (MI-) B MOST communication signal - -
    H156-4 (SLDI) Shield Shield - -
    H156-5 (MO+) B MOST communication signal - -
    H156-6 (MO-) B MOST communication signal - -
    H156-7 (SLDO) Shield Shield - -
    H94-7 (GND2) - Body ground Y - Body ground Ground Always Below 1 V
    H94-11 (ACC) - H97-12 (GND1) V - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    H94-12 (+B) - H97-12 (GND1) P - W-B Power source (+B) Always 11 to 14 V
    H187-1 (USV1) - Power source - -
    H187-2 (US1-) - Data signal - -
    H187-3 (US1+) - Data signal - -
    H187-4 (UGD1) - Ground - -
    H187-5 (USG1) - Shield ground - -
    H189-2 (GVIF) B Video signal (Digital) - -
    RA-5 (ANT+) - H97-12 (GND1) - - W-B Power source of antenna

    Power switch on (ACC)

    Radio switch on and AM or FM selected

    		 11 to 14 V

    1. Reference (Oscilloscope waveform):


      1. A00088PC12
        *a Waveform 1 (camera lens not covered, displaying an image)
        *b Synchronization Signal
        *c Video Waveform

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

        Item Content
        Measurement terminal H97-18 (V+) - H97-12 (GND1)
        Measurement setting 200 mV/DIV., 50 μs./DIV.
        Condition Power switch on (IG), shift lever in R

        Tech Tips


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

        • The video waveform is constantly when the power switch is on (ACC).

      2. A0005Z4C11
        *a Waveform 2 (camera lens covered, blacking out the screen)
        *b Synchronization Signal
        *c Video Waveform

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

        Item Content
        Measurement terminal H97-18 (V+) - H97-12 (GND1)
        Measurement setting 200 mV/DIV., 50 μs./DIV.
        Condition Power switch on (IG), shift lever in R

        Tech Tips


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

        • The video waveform is constantly when the power switch is on (ACC).

  2. STEREO COMPONENT AMPLIFIER ASSEMBLY

    A00086NE02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H99-1 (+B) - H99-3 (GND) Y - BR Power source (+B) Power switch off 11 to 14 V
    H99-3 (GND) - Body ground BR - Body ground Ground Always Below 1 V
    H99-4 (WFL+) - H99-3 (GND) R - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    H99-5 (WFR+) - H99-3 (GND) B - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    H99-6 (WF1+) - H99-3 (GND) L - BR Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    H99-7 (CTR+) - H99-3 (GND) B - BR Sound signal (Front Center) Audio system playing A waveform synchronized with sound signals is output
    H99-10 (SL+) - H99-3 (GND) B - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    H99-11 (SR+) - H99-3 (GND) R - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    H99-12 (FL+) - H99-3 (GND) R - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    H99-13 (FR+) - H99-3 (GND) B - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    H99-14 (RL+) - H99-3 (GND) R - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    H99-15 (RR+) - H99-3 (GND) V - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    H99-16 (+B2) - H99-3 (GND) L - BR Power source (+B) Power switch off 11 to 14 V
    H99-17 (SPD) - H99-3 (GND) W - BR Vehicle speed signal

    Power switch on (IG)

    Wheel being rotated

    		 Pulse generation
    H99-18 (GND2) - Body ground BR - Body ground Ground Always Below 1 V
    H99-19 (WFL-) - H99-3 (GND) W - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    H99-20 (WFR-) - H99-3 (GND) Y - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    H99-21 (WF1-) - H99-3 (GND) LG - BR Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    H99-22 (CTR-) - H99-3 (GND) Y - BR Sound signal (Front Center) Audio system playing A waveform synchronized with sound signals is output
    H99-25 (SL-) - H99-3 (GND) Y - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    H99-26 (SR-) - H99-3 (GND) W - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    H99-27 (FL-) - H99-3 (GND) W - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    H99-28 (FR-) - H99-3 (GND) Y - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    H99-29 (RL-) - H99-3 (GND) W - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    H99-30 (RR-) - H99-3 (GND) P - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    H157-2 (MI+) B MOST communication signal - -
    H157-3 (MI-) B MOST communication signal - -
    H157-4 (SLDI) Shield Shield ground - -
    H157-5 (MO+) B MOST communication signal - -
    H157-6 (MO-) B MOST communication signal - -
    H157-7 (SLDO) Shield Shield ground - -
    H157-8 (WUI) W MOST communication wake-up signal - -

  3. MULTI-DISPLAY ASSEMBLY

    A0007ZKE04
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H93-2 (ILL) - H93-13 (GND1) G - W-B Illumination signal Light control switch off Below 1 V

    Power switch off

    Light control switch in tail or head position

    		 11 to 14 V
    H93-6 (TX1+) W AVC-LAN communication signal - -
    H93-7 (TX+) P AVC-LAN communication signal - -
    H93-11 (VMTI) - H93-13 (GND1) G - W-B Visual mute signal When image on display switches

    3.5 V or higher

    → Below 1 V

    → 3.5 V or higher
    H93-12 (B) - H93-13 (GND1) L - W-B Power source (+B) Power switch off 11 to 14 V
    H93-13 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V
    H93-18 (TX1-) V AVC-LAN communication signal - -
    H93-19 (TX-) V AVC-LAN communication signal - -
    H93-24 (ACC) - H93-13 (GND1) GR - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    H161-1 (GVIF) B Video signal (Digital) - -

  4. REMOTE TOUCH (REMOTE OPERATION BOARD)

    A0003HGE04
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H95-1 (+B) - H95-15 (GND) L - W-B Power source (+B) Power switch off 11 to 14 V
    H95-2 (ACC) - H95-15 (GND) V - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    H95-4 (MO-) V Local bus communication signal - -
    H95-5 (MO+) W Local bus communication signal - -
    H95-9 (ILL+) - H95-15 (GND) G - W-B Illumination signal Light control switch off Below 1 V

    Power switch off

    Light control switch in tail or head position

    		 11 to 14 V
    H95-15 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    H95-16 (ILL-) - H95-15 (GND) GR - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation

  5. REAR CONTROL SWITCH

    A0005DHE04
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    j2-1 (+B) - j2-16 (GND) R - W-B Power source (+B) Power switch off 11 to 14 V
    j2-5 (TX-) W AVC-LAN communication signal - -
    j2-6 (ACC) - j2-16 (GND) P - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    j2-7 (IG+) - j2-16 (GND) SB - W-B Power source (IG) Power switch off Below 1 V
    Power switch on (IG) 11 to 14 V
    j2-15 (TX+) L AVC-LAN communication signal - -
    j2-16 (GND) - Body ground W-B - Body ground Ground Always Below 1 V