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

Tech Tips

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


  1. RADIO RECEIVER ASSEMBLY

    B001LU7E02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H165-18 (TX2+) B AVC-LAN communication signal - -
    H165-19 (TX2-) W AVC-LAN communication signal - -
    H162-1 (FR+) - H162-7 (GND1) G - W-B Sound signal (front right) Audio system playing A waveform synchronized with sound signals is output
    H162-2 (FL+) - H162-7 (GND1)

    P*1 - W-B

    W*2 - W-B

    		 Sound signal (front left) Audio system playing A waveform synchronized with sound signals is output
    H162-3 (ACC1) - H162-7 (GND1) B - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    H162-4 (+B1) - H162-7 (GND1) LG - W-B Power source (+B) Power switch off 11 to 14 V
    H162-5 (FR-) - H162-7 (GND1)

    BR*1 - W-B

    R*2 - W-B

    		 Sound signal (front right) Audio system playing A waveform synchronized with sound signals is output
    H162-6 (FL-) - H162-7 (GND1)

    V*1 - W-B

    B*2 - W-B

    		 Sound signal (front left) Audio system playing A waveform synchronized with sound signals is output
    H162-7 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V
    H162-10 (ILL+) - H162-7 (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
    H163-1 (RR+) - H162-7 (GND1)*1 R - W-B Sound signal (rear right) Audio system playing A waveform synchronized with sound signals is output
    H163-2 (RL+) - H162-7 (GND1) G - W-B Sound signal (rear left)*1 Audio system playing*1 A waveform synchronized with sound signals is output*1
    Voice signal*2 Voice guidance sounding*2 A waveform synchronized with voice signals is output*2
    H163-3 (RR-) - H162-7 (GND1)*1 W - W-B Sound signal (rear right) Audio system playing A waveform synchronized with sound signals is output
    H163-5 (ILL-) - H162-7 (GND1) B - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    H163-6 (RL-) - H162-7 (GND1)

    BR*1 - W-B

    R*2 - W-B

    		 Sound signal (rear left)*1 Audio system playing*1 A waveform synchronized with sound signals is output*1
    Voice signal*2 Voice guidance sounding*2 A waveform synchronized with voice signals is output*2
    H164-1 (IG) - H162-7 (GND1) V - W-B Power source (IG) Power switch off Below 1 V
    Power switch on (IG) 11 to 14 V
    H164-4 (MACC) - H162-7 (GND1) B - W-B Microphone power supply Power switch off Below 1 V
    Power switch on (ACC) 4 to 6 V
    H164-5 (MIN+) - H162-7 (GND1) Y - W-B Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    		-
    H164-6 (SNS2) - H162-7 (GND1) V - W-B Microphone connection detection signal Always Below 1 V
    H164-7 (TX1+)*2 R AVC-LAN communication signal - -
    H164-8 (TX1-)*2 BR AVC-LAN communication signal - -
    H164-9 (CANH) R CAN communication signal - -
    H164-10 (CANL) W CAN communication signal - -
    H164-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    H164-12 (SG) - H162-7 (GND1)*1 Shield - W-B External device connection detection signal External device connected Below 1 V
    H164-13 (VV+) - H162-7 (GND1) B - W-B Video signal External device playing (When stereo jack used) A waveform synchronized with video signals is output
    H164-14 (VV-) - H162-7 (GND1) W - W-B Video signal External device playing (When stereo jack used) A waveform synchronized with video signals is output
    H164-15 (PKB) - H162-7 (GND1) R - W-B Parking brake signal

    See "Check Vehicle Signal" in Operation Check Click here

    		-
    H164-16 (MUT1) - H162-7 (GND1)*2 B - W-B Mute signal Power switch on (ACC) Audio system playing 2.0 V or higher
    Audio system changing modes Below 1 V
    H164-17 (SPD) - H162-7 (GND1) V - W-B Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check Click here

    		-
    H164-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    H164-19 (MIN-) - H162-7 (GND1) L - W-B Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    		-
    H164-21 (SW1) - H164-23 (SWG) GR - W 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
    H164-22 (SW2) - H164-23 (SWG) G - W 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
    H164-23 (SWG) - H162-7 (GND1) W - W-B Steering pad switch ground Always Below 1 V
    H164-25 (ADPG) - H162-7 (GND1) BR - W-B External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    H164-26 (VAR+) - H164-27 (VA-) R - B Sound signal (right) External device playing (When stereo jack used) A waveform synchronized with sound signals is output
    H164-27 (VA-) - H162-7 (GND1) B - W-B Ground Always Below 1 V
    H164-28 (VAL+) - H164-27 (VA-) W - B Sound signal (left) External device playing (When stereo jack used) A waveform synchronized with sound signals is output
    H166-1 (VMTF) - H162-7 (GND1) GR - W-B Visual mute signal Power switch on (ACC) Screen display changes

    2.0 V or higher

    → Below 1 V

    → 2.0 V or higher
    H166-11 (TX4+) P AVC-LAN communication signal - -
    H166-12 (TX4-) G AVC-LAN communication signal - -
    H165-11 (CA+) - H162-7 (GND1)*3 B - W-B Television camera power supply Power switch on (ACC) 5.5 to 7.05 V
    H165-12 (V+) - H162-7 (GND1)*3 R - W-B Video signal

    Power switch on (IG)

    Reverse (R) selected

    Camera lens not covered, displaying an image

    Pulse generation

    (Refer to waveform 1)

    Power switch on (IG)

    Reverse (R) selected

    Camera lens covered, blacking out screen

    Pulse generation

    (Refer to waveform 2)
    H165-23 (CGND) - Body ground*3 Shield - Body ground Shield ground Always Below 1 V
    H165-24 (V-) - H162-7 (GND1)*3 W - W-B Ground Always Below 1 V
    H169-4 (+B2) - H162-7 (GND1) G - W-B Power source (+B) Power switch off 11 to 14 V
    H169-8 (GND2) - Body ground LG - Body ground Ground Always Below 1 V
    H175-1 (USV1) - Power source - -
    H175-2 (US1-) - Data signal - -
    H175-3 (US1+) - Data signal - -
    H175-4 (UGD1) - Ground - -
    H175-5 (USG1) - Shield ground - -
    H172-1 (GVIF) B Video signal (Digital) - -
    RA-5 (ANT+) - H162-7 (GND1) - - W-B Power source of antenna

    Power switch on (ACC)

    Radio switch on and FM or AM selected

    		 11 to 14 V

    • *1: for 6 Speakers

    • *2: for 10 Speakers

    • *3: w/ Rear View Monitor System or w/ Parking Assist Monitor System (w/o Parallel Parking Assist Function)


    1. B001KO5E01
      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 H165-12 (V+) - H162-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Power switch on (IG), reverse (R) selected

        Tech Tips


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

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

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

        Item Content
        Measurement terminal H165-12 (V+) - H162-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Power switch on (IG), reverse (R) selected

        Tech Tips


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

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

  2. STEREO COMPONENT AMPLIFIER ASSEMBLY (for 10 Speakers)

    B001NFHE02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H157-1 (+B) - H157-3 (GND) R - W-B Power source (+B) Power switch off 11 to 14 V
    H157-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    H157-4 (ML+) - H157-3 (GND) P - W-B Sound signal (front left) Audio system playing A waveform synchronized with sound signals is output
    H157-5 (MR+) - H157-3 (GND) LG - W-B Sound signal (front right) Audio system playing A waveform synchronized with sound signals is output
    H157-6 (WF1+) - H157-3 (GND) W - W-B Sound signal (woofer) Audio system playing A waveform synchronized with sound signals is output
    H157-7 (CTR+) - H157-3 (GND) BR - W-B Sound signal (front center) Audio system playing A waveform synchronized with sound signals is output
    H157-12 (FL+) - H157-3 (GND) R - W-B Sound signal (front left) Audio system playing A waveform synchronized with sound signals is output
    H157-13 (FR+) - H157-3 (GND) G - W-B Sound signal (front right) Audio system playing A waveform synchronized with sound signals is output
    H157-14 (RL+) - H157-3 (GND) G - W-B Sound signal (rear left) Audio system playing A waveform synchronized with sound signals is output
    H157-15 (RR+) - H157-3 (GND) SB - W-B Sound signal (rear right) Audio system playing A waveform synchronized with sound signals is output
    H157-16 (+B2) - H157-3 (GND) B - W-B Power source (+B) Power switch off 11 to 14 V
    H157-18 (GND2) - Body ground W-B - Body ground Ground Always Below 1 V
    H157-19 (ML-) - H157-3 (GND) V - W-B Sound signal (front left) Audio system playing A waveform synchronized with sound signals is output
    H157-20 (MR-) - H157-3 (GND) L - W-B Sound signal (front right) Audio system playing A waveform synchronized with sound signals is output
    H157-21 (WF1-) - H157-3 (GND) Y - W-B Sound signal (woofer) Audio system playing A waveform synchronized with sound signals is output
    H157-22 (CTR-) - H157-3 (GND) GR - W-B Sound signal (front center) Audio system playing A waveform synchronized with sound signals is output
    H157-27 (FL-) - H157-3 (GND) W - W-B Sound signal (front left) Audio system playing A waveform synchronized with sound signals is output
    H157-28 (FR-) - H157-3 (GND) BR - W-B Sound signal (front right) Audio system playing A waveform synchronized with sound signals is output
    H157-29 (RL-) - H157-3 (GND) BR - W-B Sound signal (rear left) Audio system playing A waveform synchronized with sound signals is output
    H157-30 (RR-) - H157-3 (GND) BE - W-B Sound signal (rear right) Audio system playing A waveform synchronized with sound signals is output
    H168-1 (MUTE) - H157-3 (GND) B - W-B Mute signal

    Power switch on (ACC)

    Audio system playing

    		 2.0 V or higher
    Audio system changing modes Below 1 V
    H168-2 (L-) - H157-3 (GND) B - W-B Sound signal (left) Audio system playing A waveform synchronized with sound signals is output
    H168-3 (L+) - H157-3 (GND) W - W-B Sound signal (left) Audio system playing A waveform synchronized with sound signals is output
    H168-4 (R-) - H157-3 (GND) R - W-B Sound signal (right) Audio system playing A waveform synchronized with sound signals is output
    H168-5 (R+) - H157-3 (GND) G - W-B Sound signal (right) Audio system playing A waveform synchronized with sound signals is output
    H168-6 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V
    H168-7 (TX-) BR AVC-LAN communication signal - -
    H168-8 (TX+) R AVC-LAN communication signal - -
    H168-11 (SPD) - H157-3 (GND) V - W-B Vehicle speed signal Power switch on (IG) Wheel being rotated Pulse generation
    H168-12 (ACC) - H157-3 (GND) R - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    H168-14 (II1-) - H157-3 (GND) R - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    H168-15 (II1+) - H157-3 (GND) G - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    H168-18 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V

  3. MULTI-DISPLAY ASSEMBLY

    B001MP3E02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H160-2 (ILL) - H160-13 (GND1) SB - 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
    H160-7 (TX+) P AVC-LAN communication signal - -
    H160-11 (VMTI) - H160-13 (GND1) GR - W-B Visual mute signal

    Power switch on (ACC)

    Screen display changes

    2.0 V or higher

    → Below 1 V

    → 2.0 V or higher
    H160-12 (B) - H160-13 (GND1) P - W-B Power source (+B) Power switch off 11 to 14 V
    H160-13 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V
    H160-19 (TX-) G AVC-LAN communication signal - -
    H160-24 (ACC) - H160-13 (GND1) R - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    H153-1 (GVIF) B Video signal (Digital) - -

  4. REMOTE OPERATION BOARD

    B001MS4E02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H161-1 (ILL+) - H161-4 (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
    H161-4 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    H161-8 (ILL-) - H161-4 (GND) BR - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    H161-10 (TX+) B AVC-LAN communication signal - -
    H161-11 (TX-) W AVC-LAN communication signal - -
    H161-14 (ACC) - H161-4 (GND) R - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V