NAVIGATION 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 AND DISPLAY RECEIVER ASSEMBLY

    B000IMOE04
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    I152-1 (FR+) - I152-7 (GND1) R - BR Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    I152-2 (FL+) - I152-7 (GND1) B - BR Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    I152-3 (ACC1) - I152-7 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    I152-4 (+B1) - I152-7 (GND1) L-Y - BR Power source (+B) Always 11 to 14 V
    I152-5 (FR-) - I152-7 (GND1) G - BR Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    I152-6 (FL-) - I152-7 (GND1) W - BR Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    I152-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    I152-10 (ILL+) - I152-7 (GND1) G - BR Illumination signal Light control switch in off position Below 1 V
    Light control switch in tail or head position 11 to 14 V
    I153-2 (RL+) - I152-7 (GND1) R - BR Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    I153-6 (RL-) - I152-7 (GND1) G - BR Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    I155-1 (IG) - I152-7 (GND1) Y - BR Power source (IG) Ignition switch off Below 1 V
    Ignition switch ON 11 to 14 V
    I155-2 (REV) - I152-7 (GND1) L - BR Reverse signal

    See "Check Vehicle Signal" in Operation Check Click here

    		-
    I155-4 (MACC) - I152-7 (GND1)*1 B - BR Microphone power supply Ignition switch off Below 1 V
    Ignition switch ACC 4.75 to 5.25 V
    I155-5 (MIN+) - I152-7 (GND1)

    W - BR*1

    R - BR*2

    		 Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    		-
    I155-6 (SNS2) - I152-7 (GND1) LG - BR Microphone connection detection signal Always Below 1 V
    I155-7 (TX1+) GR AVC-LAN communication signal - -
    I155-8 (TX1-) G AVC-LAN communication signal - -
    I155-9 (CANH) R CAN communication signal - -
    I155-10 (CANL) W CAN communication signal - -
    I155-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I155-13 (VV+) - I152-7 (GND1) W - BR Video signal External device system playing (when stereo jack used) A waveform synchronized with sounds is output
    I155-14 (VV-) - I152-7 (GND1) B - BR Video signal ground Always Below 1 V
    I155-15 (PKB) - I152-7 (GND1) R - BR Parking brake signal

    See "Check Vehicle Signal" in Operation Check Click here

    		-
    I155-16 (MUT1) - I152-7 (GND1) L - BR Mute signal Audio system playing 3.5 V or higher
    Audio system charging modes Below 1 V
    I155-17 (SPD) - I152-7 (GND1) V - BR Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check Click here

    		-
    I155-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I155-19 (MIN-) - I152-7 (GND1)

    R - BR*1

    G - BR*2

    		 Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    		-
    I155-21 (SW1) - I155-23 (SWG) B - B 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
    I155-22 (SW2) - I155-23 (SWG) Y - B Steering pad switch signal No switch pushed 2.97 to 3.56 V
    MODE/HOLD 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
    I155-23 (SWG) - I152-7 (GND1) B - BR Steering pad switch ground Always Below 1 V
    I155-24 (SW3) - I155-23 (SWG) SB - B 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
    I155-25 (ADPG) - I152-7 (GND1) G - BR External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    I155-26 (VAR+) - I155-27 (VA-) B - W Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sound signals is output
    I155-27 (VA-) - I152-7 (GND1) W - BR Ground Always Below 1 V
    I155-28 (VAL+) - I155-27 (VA-) R - W Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sound signals is output
    I185-3 (CNH1) GR Local bus communication signal - -
    I185-4 (CNL1) W Local bus communication signal - -
    I185-7 (CA+) - I152-7 (GND1) B - BR Television camera power supply Ignition switch ACC 5.8 to 6.5 V
    I185-8 (V+) - I152-7 (GND1) W - BR Video signal

    Ignition switch ON

    Shift lever in R

    Camera lens not covered, displaying an image

    Pulse generation

    (Refer to waveform 1)

    Ignition switch ON

    Shift lever in R

    Camera lens covered, blacking out screen

    Pulse generation

    (Refer to waveform 2)
    I185-15 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I185-16 (V-) - I152-7 (GND1) R - BR Ground Always Below 1 V
    k2-1 (SLD4) - Body ground B - Body ground Shield ground Always Below 1 V
    K2-2 (SLDO) - I152-7 (GND1) B - BR Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check Click here

    		-
    k2-3 (ACC2) - I152-7 (GND1) B - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    k2-4 (+B2) - I152-7 (GND1) W - BR Power source (+B) Always 11 to 14 V
    k2-5 (MIC+) - I152-7 (GND1) B - BR Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    		-
    k2-6 (MIC-) - I152-7 (GND1) B - BR Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    		-
    k2-8 (GND2) - Body ground W - Body ground Ground Always Below 1 V
    k1-1 (LV1) - LVDS communication signal - -
    RA-5 (ANT+) - I152-7 (GND1) - - BR Power source of antenna

    Ignition switch ACC

    Radio switch on and FM or AM selected

    		 8 V or higher

    • *1: w/o Manual (SOS) Switch

    • *2: w/ Manual (SOS) Switch


    1. Reference (Oscilloscope waveform):


      1. B000LDJE45
        Text in Illustration
        *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 I185-8 (V+) - I152-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μs./DIV.
        Condition Ignition switch ON, 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 ignition switch is turned to ACC.

      2. B000N0VE02
        Text in Illustration
        *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 I185-8 (V+) - I152-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μs./DIV.
        Condition Ignition switch ON, 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 ignition switch is turned to ACC.

  2. NAVIGATION ECU

    B000NFYE07
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    k3-1 (+B) - k3-2 (GND) W - W Power source (+B) Always 11 to 14 V
    k3-2 (GND) - Body ground W - Body ground Ground Always Below 1 V
    k3-3 (ACC) - k3-2 (GND) B - W Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    k3-5 (SPD) - k3-2 (GND) B - W Vehicle speed signal Ignition switch ON Wheel being rotated Pulse generation
    k3-16 (MIC+) - k3-2 (GND) B - W Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    		-
    k3-17 (MIC-) - k3-2 (GND) B - W Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    		-
    k3-18 (MSHLD) - Body ground B - Body ground Shield ground Always Below 1 V
    u4-1 (USV1) - Power source - -
    u4-2 (US1-) - Data signal - -
    u4-3 (US1+) - Data signal - -
    u4-4 (UGD1) - Ground - -
    u4-5 (USG1) - Shield ground - -
    k4-1 (LV1) - LVDS communication signal - -

  3. STEREO COMPONENT AMPLIFIER ASSEMBLY

    B000HF0E35
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    I68-1 (+B) - I68-3 (GND) GR - W-B Power source (+B) Always 11 to 14 V
    I68-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    I68-14 (TWL+) - I68-3 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    I68-12 (TWR+) - I68-3 (GND)

    Y - W-B*2

    LG - W-B*3

    		 Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    I68-8 (WF1+) - I68-3 (GND) P - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    I68-13 (CTR+) - I68-3 (GND) B - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sound signals is output
    I68-9 (SL+) - I68-3 (GND) B - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    I68-10 (SR+) - I68-3 (GND) R - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    I68-11 (FL+) - I68-3 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    I68-15 (FR+) - I68-3 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    I68-8 (WF1+) - I68-3 (GND) P - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    I68-16 (+B2) - I68-3 (GND) L - W-B Power source (+B) Always 11 to 14 V
    I68-18 (GND2) - Body ground BR - Body ground Ground Always Below 1 V
    I68-29 (TWL-) - I68-3 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    I68-27 (TWR-) - I68-3 (GND)

    L - W-B*2

    P - W-B*3

    		 Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    I68-23 (WF1-) - I68-3 (GND) Y - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    I68-28 (CTR-) - I68-3 (GND) G - W-B Sound signal (Front Center) Audio system playing A waveform synchronized with sound signals is output
    I68-24 (SL-) - I68-3 (GND) Y - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    I68-25 (SR-) - I68-3 (GND) W - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    I68-26 (FL-) - I68-3 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    I68-30 (FR-) - I68-3 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    I69-1 (MUTE) - I68-3 (GND) L - W-B Mute signal Audio system playing 3.5 V or higher
    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 sound signals is output
    I69-3 (L+) - I68-3 (GND) B - W-B Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    I69-4 (R-) - I68-3 (GND) G - W-B Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    I69-5 (R+) - I68-3 (GND) R - W-B Sound signal (Right) Audio system playing A waveform synchronized with sound signals 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 - -
    I69-19 (TXD-)*1 Y AVC-LAN communication signal - -
    I69-20 (TXD+)*1 GR AVC-LAN communication signal - -
    I69-11 (SPD) - I68-3 (GND) V - W-B Vehicle speed signal

    Ignition switch ON

    Wheel being rotated

    		 Pulse generation
    I69-12 (ACC) - I68-3 (GND) GR - W-B Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    I69-14 (II1-) - I68-3 (GND) G - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    I69-15 (II1+) - I68-3 (GND) R - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    I69-18 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I69-24 (TMUT) - I68-3 (GND)*2 R - W-B Mute signal

    Ignition switch ON

    Audio system playing

    		 2.0 V or higher
    Emergency call mode Below 1 V

    • *1: w/ Rear Control Switch

    • *2: w/ Manual (SOS) Switch

    • *3: w/o Manual (SOS) Switch

  4. REAR CONTROL SWITCH (w/ Rear Control Switch)

    B000L0GE18
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    X1-1 (+B) - X1-16 (GND) R - W-B Power source (+B) Always 11 to 14 V
    X1-5 (TX-) Y AVC-LAN communication signal - -
    X1-6 (ACC) - X1-16 (GND) GR - W-B Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    X1-7 (IG+) - X1-16 (GND) V - W-B Power source (IG) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    X1-15 (TX+) GR AVC-LAN communication signal - -
    X1-16 (GND) - Body ground W-B - Body ground Ground Always Below 1 V

  5. COMBINATION METER ASSEMBLY Click here

  6. TELEMATICS TRANSCEIVER Click here