AUDIO AND VISUAL SYSTEM (for Radio and Display Type with Intuitive Parking Assist System) TERMINALS OF ECU


  1. NAVIGATION ECU SUB-ASSEMBLY

    A01HVA1E01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    I64-1 (FR+) - I64-7 (GND1) R - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    I64-2 (FL+) - I64-7 (GND1) B- BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    I64-3 (ACC1) - I64-7 (GND1) GR - BR Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    I64-4 (+B1) - I64-7 (GND1) L-Y - BR Power source (+B) Power switch off 11 to 14 V
    I64-5 (FR-) - I64-7 (GND1) G - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    I64-6 (FL-) - I64-7 (GND1) W - BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    I64-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    I64-10 (ILL+) - I64-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V

    Power switch off

    Light control switch in tail or head position

    		 11 to 14 V
    I65-2 (RL+) - I64-7 (GND1) R- BR Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    I65-5 (ILL-) - I64-7 (GND1) W - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    I65-6 (RL-) - I64-7 (GND1) G - BR Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    I66-6 (PKB) - I64-7 (GND1) R - BR Parking brake signal

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

    		-
    I66-7 (CA+) - I64-7 (GND1) B - BR Television camera power supply

    Power switch on (IG)

    Shift lever in R

    		 5.5 to 7.05 V
    I66-8 (V+) - I64-7 (GND1) W - BR Television camera image 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)
    I66-15 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I66-16 (V-) - I64-7 (GND1) R - BR Ground Always Below 1 V
    I67-1 (IG) - I64-7 (GND1) Y - BR Power source (IG) Power switch off Below 1 V
    Power switch on (IG) 11 to 14 V
    I67-2 (REV) - I64-7 (GND1) L - BR Reverse signal

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

    		-
    I67-4 (MACC) - I64-7 (GND1) B - BR Microphone power supply Power switch off Below 1 V
    Power switch on (ACC) 4 to 6 V
    I67-5 (MIN+) - I64-7 (GND1) W - BR Microphone voice signal

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

    		-
    I67-6 (SNS2) - I64-7 (GND1) LG - BR Microphone connection detection signal Always Below 1 V
    I67-7 (TX1+) GR AVC-LAN communication signal - -
    I67-8 (TX1-) G AVC-LAN communication signal - -
    I67-9 (CANH) R CAN communication signal - -
    I67-10 (CANL) W CAN communication signal - -
    I67-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I67-17 (SPD) - I64-7 (GND1) V - BR Vehicle speed signal from combination meter assembly

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

    		-
    I67-18 (SGND) - I64-7 (GND1) Shield - BR Shield ground Always Below 1 V
    I67-19 (MIN-) - Body ground R - Body ground Microphone voice signal

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

    		-
    I67-20 (MUT2) - I64-7 (GND1) L - BR Mute signal Audio system playing Above 3.5 V
    Audio system changing modes Below 1 V
    I67-21 (SW1) - I67-23 (SWG) B - P 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
    I67-22 (SW2) - I67-23 (SWG) Y - 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
    I67-23 (SWG) - Body ground P - Body ground Steering pad switch signal Always Below 1 V
    I67-24 (SW3) - I67-23 (SWG) SB - P 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
    I67-25 (ADPG) - I64-7 (GND1) G - BR External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    I67-26 (VAR+) - I67-27 (VA-) B - W Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    I67-27 (VA-) - I64-7 (GND1) W - BR Sound signal ground Always Below 1 V
    I67-28 (VAL+) - I67-27 (VA-) R - W Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    I147-1 (UPO) - Power source - -
    I147-2 (UDO-) - Data signal - -
    I147-3 (UDO+) - Data signal - -
    I147-4 (UESG) - Ground - -
    I147-5 (UESS) - Shield ground - -
    RA-5 (ANT+) - I64-7 (GND1) R - BR Power source of antenna

    Power switch on (IG)

    Radio switch on and AM or FM selected

    		 11 to 14 V

    1. A01HUMTE20
      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 I66-8 (V+) - I64-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Power 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 I66-8 (V+) - I64-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./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.

  2. STEREO COMPONENT AMPLIFIER ASSEMBLY

    A01HTVHE04
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specification
    I68-1 (+B) - I68-3 (GND) GR - W-B Power source (+B) Power switch off 11 to 14 V
    I68-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    I68-8 (WF1+) - I68-3 (GND) P - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sounds is output
    I68-9 (SL+) - I68-3 (GND) B - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    I68-10 (SR+) - I68-3 (GND) R - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    I68-11 (FL+) - I68-3 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    I68-12 (TWR+) - I68-3 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    I68-13 (CTR+) - I68-3 (GND) B - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sounds is output
    I68-14 (TWL+) - I68-3 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    I68-15 (FR+) - I68-3 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    I68-23 (WF1-) - I68-3 (GND) Y - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sounds is output
    I68-24 (SL-) - I68-3 (GND) Y - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    I68-25 (SR-) - I68-3 (GND) W - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    I68-26 (FL-) - I68-3 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    I68-27 (TWR-) - I68-3 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    I68-28 (CTR-) - I68-3 (GND) G - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sounds is output
    I68-29 (TWL-) - I68-3 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    I68-30 (FR-) - I68-3 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    I69-1 (MUTE) - I68-3 (GND) L - W-B Mute signal Audio system playing Above 3.5 V
    Audio system changing modes Below 1 V
    I69-2 (L-) - I68-3 (GND) W - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    I69-3 (L+) - I68-3 (GND) B - W-B Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    I69-4 (R-) - I68-3 (GND) G - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    I69-5 (R+) - I68-3 (GND) R - W-B Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    I69-6 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I69-7 (TX-) G AVC-LAN communication signal - -
    I69-8 (TX+) GR AVC-LAN communication signal - -
    I69-11 (SPD) - I68-3 (GND) V - W-B Vehicle speed signal from combination meter assembly

    Power switch on (IG)

    Wheel being rotated

    		 Pulse generation
    I69-12 (ACC) - I68-3 (GND) GR - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    I69-14 (II1-) - I68-3 (GND) G - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    I69-15 (II1+) - I68-3 (GND) R - W-B Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    I69-18 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V