AUDIO AND VISUAL SYSTEM(w/ Parking Assist Monitor System) TERMINALS OF ECU

Tech Tips

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


  1. RADIO RECEIVER ASSEMBLY

    A0021PHN03
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    K58-1 (CANH) R CAN communication signal - -
    K58-2 (CANL) B CAN communication signal - -
    K58-3 (CNH1) V Local bus communication signal - -
    K58-4 (CNL1) P Local bus communication signal - -
    K58-10 (VMTF) - K58-12 (GND1) W - 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
    K58-12 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V
    K58-13 (ILL-) - K58-12 (GND1) BE - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    K58-14 (ILL+) - K58-12 (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
    K58-15 (IG) - K58-12 (GND1) P - W-B Power source (IG) Power switch off Below 1 V
    Power switch on (IG) 11 to 14 V
    K58-16 (ACC1) - K58-12 (GND1) BE - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    K58-17 (+B1) - K58-12 (GND1) V - W-B Power source (+B) Power switch off 11 to 14 V
    K58-18 (V+) - K58-12 (GND1) R - 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)
    K58-19 (V-) - K58-12 (GND1) W - W-B Ground Always Below 1 V
    K58-20 (CNH2) V Local bus communication signal - -
    K58-21 (CNL2) P Local bus communication signal - -
    K58-27 (MIN+) - K58-12 (GND1) W - W-B Microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    K58-28 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    K58-29 (MACC) - K58-12 (GND1) R - W-B Microphone power supply Power switch off Below 1 V
    Power switch on (ACC) 4 to 6 V
    K58-30 (SW1) - K58-32 (SWG) L - 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
    K58-31 (SW2) - K58-32 (SWG) P - 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
    K58-32 (SWG) - Body ground BR - Body ground Steering pad switch signal Always Below 1 V
    K58-39 (CA+) - K58-12 (GND1) B - W-B Television camera power supply Power switch on (ACC) 5.5 to 7.05 V
    K58-40 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    K58-45 (TX3+) G AVC-LAN communication signal - -
    K58-46 (TX3-) V AVC-LAN communication signal - -
    K58-48 (MIN-) - Body ground B - Body ground Microphone voice signal

    See "Microphone Check" in Operation Check

    Click here

    		-
    K58-49 (SNS2) - K58-12 (GND1) L - W-B Microphone connection detection signal Always Below 1 V
    K58-55 (PKB) - K58-12 (GND1) GR - W-B Parking brake signal

    See "Vehicle Signal Check Mode" in Operation Check

    Click here

    		-
    K58-56 (SPD) - K58-12 (GND1) L - W-B Vehicle speed signal

    See "Vehicle Signal Check Mode" in Operation Check

    Click here

    		-
    K59-5 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    K59-6 (VV+) - K58-12 (GND1) P - W-B Video signal External device system playing (when stereo jack used) A waveform synchronized with video signals is output
    K59-7 (VAR+) - K59-15 (VA-) W - R Sound signal (Right) External device system playing (when stereo jack used) A waveform synchronized with sound signals is output
    K59-8 (VAL+) - K59-15 (VA-) B - R Sound signal (Left) External device system playing (when stereo jack used) A waveform synchronized with sound signals is output
    K59-13 (SG) - K58-12 (GND1) Shield - W-B Shield ground Always Below 1 V
    K59-14 (VV-) - K58-12 (GND1) L - W-B Video signal ground Always Below 1 V
    K59-15 (VA-) - K58-12 (GND1) R - W-B Sound signal ground Always Below 1 V
    K59-16 (ADPG) - K58-12 (GND1) P - W-B External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    f1-1 (WUO) W MOST communication wake-up signal - -
    f1-2 (MI+) B MOST communication signal - -
    f1-3 (MI-) B MOST communication signal - -
    f1-4 (SLDI) Shield Shield ground - -
    f1-5 (MO+) B MOST communication signal - -
    f1-6 (MO-) B MOST communication signal - -
    f1-7 (SLDO) Shield Shield ground - -
    K60-7 (GND2) - Body ground SB - Body ground Ground Always Below 1 V
    K60-11 (ACC) - K58-12 (GND1) BE - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    K60-12 (+B) - K58-12 (GND1) G - W-B Power source (+B) Power switch off 11 to 14 V
    K132-1 (USV1) - Power source - -
    K132-2 (US1-) - Data signal - -
    K132-3 (US1+) - Data signal - -
    K132-4 (UGD1) - Ground - -
    K132-5 (USG1) - Shield ground - -
    K123-1 (GVIF) B Video signal (Digital) - -
    K123-2 (GVIF) B Video signal (Digital) - -
    RA-5 (ANT+) - K58-12 (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. A00227VC06
        *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 K58-18 (V+) - K58-12 (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 television camera assembly.


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

      2. A0022F2C04
        *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 K58-18 (V+) - K58-12 (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 television camera assembly.


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

  2. STEREO COMPONENT AMPLIFIER ASSEMBLY

    A0020OJN09
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    P23-1 (+B) - P23-3 (GND) SB - BR Power source (+B) Power switch off 11 to 14 V
    P23-3 (GND) - Body ground BR - Body ground Ground Always Below 1 V
    P23-4 (WFL+) - P23-3 (GND) R - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    P23-5 (WFR+) - P23-3 (GND) L - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    P23-6 (WF1+) - P23-3 (GND) GR - BR Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    P23-7 (CTR+) - P23-3 (GND) GR - BR Sound signal (Front Center) Audio system playing A waveform synchronized with sound signals is output
    P23-10 (SL+) - P23-3 (GND) B - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    P23-11 (SR+) - P23-3 (GND) W - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    P23-12 (FL+) - P23-3 (GND) W - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    P23-13 (FR+) - P23-3 (GND) BE - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    P23-14 (RL+) - P23-3 (GND) BE - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    P23-15 (RR+) - P23-3 (GND) LG - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    P23-16 (+B2) - P23-3 (GND) BE - BR Power source (+B) Power switch off 11 to 14 V
    P23-17 (SPD) - P23-3 (GND) L - BR Vehicle speed signal

    Power switch on (IG)

    Wheel being rotated

    		 Pulse generation
    P23-18 (GND2) - Body ground BR - Body ground Ground Always Below 1 V
    P23-19 (WFL-) - P23-3 (GND) B - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    P23-20 (WFR-) - P23-3 (GND) B - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    P23-21 (WF1-) - P23-3 (GND) L - BR Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    P23-22 (CTR-) - P23-3 (GND) V - BR Sound signal (Front Center) Audio system playing A waveform synchronized with sound signals is output
    P23-25 (SL-) - P23-3 (GND) V - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    P23-26 (SR-) - P23-3 (GND) GR - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    P23-27 (FL-) - P23-3 (GND) P - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    P23-28 (FR-) - P23-3 (GND) P - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    P23-29 (RL-) - P23-3 (GND) P - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    P23-30 (RR-) - P23-3 (GND) W - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    P32-2 (MI+) B MOST communication signal - -
    P32-3 (MI-) B MOST communication signal - -
    P32-4 (SLD1) Shield Shield ground - -
    P32-5 (MO+) B MOST communication signal - -
    P32-6 (MO-) B MOST communication signal - -
    P32-7 (SLDO) Shield Shield ground - -
    P32-8 (WUI) W MOST communication wake-up signal - -

  3. MULTI-DISPLAY ASSEMBLY

    A0021G5N21
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    K61-2 (ILL) - K61-13 (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
    K61-7 (TX+) G AVC-LAN communication signal - -
    K61-11 (VMTI) - K61-13 (GND1) W - W-B Visual mute signal When image on display switches

    3.5 V or higher

    → Below 1 V

    → 3.5 V or higher
    K61-12 (B) - K61-13 (GND1) V - W-B Power source (+B) Power switch off 11 to 14 V
    K61-13 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V
    K61-19 (TX-) V AVC-LAN communication signal - -
    K61-24 (ACC) - K61-13 (GND1) BE - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    K124-1 (GVIF) B Video signal (Digital) - -

  4. REMOTE TOUCH

    A0022KCN01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    K78-1 (+B) - K78-15 (GND) V - W-B Power source (+B) Power switch off 11 to 14 V
    K78-2 (ACC) - K78-15 (GND) BE - W-B Power source (ACC) Power switch on (ACC) 11 to 14 V
    Power switch off Below 1 V
    K78-4 (MO-) P Local bus communication signal - -
    K78-5 (MO+) V Local bus communication signal - -
    K78-9 (ILL+) - K78-15 (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
    K78-15 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    K78-16 (ILL-) - K78-15 (GND) BE - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation