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

    A003LKJN05
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    I97-1 (FR+) - I97-7 (GND1) LA-LG - LA-BR

    Sound signal (Front right)*1

    Sound signal (Right)*2

    		 Audio system playing A waveform synchronized with sound signals is output
    I97-2 (FL+) - I97-7 (GND1) LA-P - LA-BR

    Sound signal (Front left)*1

    Sound signal (Left)*2

    		 Audio system playing A waveform synchronized with sound signals is output
    I97-3 (ACC1) - I97-7 (GND1) GR - LA-BR Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    I97-4 (+B1) - I97-7 (GND1) SB - LA-BR Power source (+B) Power switch off 11 to 14 V
    I97-5 (FR-) - I97-7 (GND1) LA-L - LA-BR

    Sound signal (Front right)*1

    Sound signal (Right)*2

    		 Audio system playing A waveform synchronized with sound signals is output
    I97-6 (FL-) - I97-7 (GND1) LA-V - LA-BR

    Sound signal (Front left)*1

    Sound signal (Left)*2

    		 Audio system playing A waveform synchronized with sound signals is output
    I97-7 (GND1) - Body ground LA-BR - Body ground Ground Always Below 1 V
    I97-10 (ILL+) - I97-7 (GND1) G - LA-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
    I98-1 (RR+) - I97-7 (GND1)*1 R - LA-BR Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    I98-2 (RL+) - I97-7 (GND1)

    B - LA-BR*1

    V - LA-BR*2

    Sound signal (Rear left)*1

    Voice signal*2

    Audio system playing*1

    Voice guidance sounding*2

    A waveform synchronized with sound signals is output*1

    A waveform synchronized with voice signals is output*2
    I98-3 (RR-) - I97-7 (GND1)*1 W - LA-BR Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    I98-6 (RL-) - I97-7 (GND1)

    Y - LA-BR*1

    LG - LA-BR*2

    Sound signal (Rear left)*1

    Voice signal*2

    Audio system playing*1

    Voice guidance sounding*2

    A waveform synchronized with sound signals is output*1

    A waveform synchronized with voice signals is output*2
    I96-1 (IG) - I97-7 (GND1)

    SB - LA-BR*3

    W - LA-BR*4

    		 Power source (IG) Power switch off Below 1 V
    Power switch on (IG) 11 to 14 V
    I96-2 (REV) - I97-7 (GND1) G - LA-BR Reverse signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    I96-4 (MACC) - I97-7 (GND1) R - LA-BR Microphone power supply Power switch off Below 1 V
    Power switch on (ACC) 4.75 to 5.25 V
    I96-5 (MIN+) - I97-7 (GND1) B - LA-BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    I96-6 (SNS2) - I97-7 (GND1) GR - LA-BR Microphone connection detection signal Always Below 1 V
    I96-7 (TX1+)*2 P AVC-LAN communication signal - -
    I96-8 (TX1-)*2 BE AVC-LAN communication signal - -
    I96-9 (CANH) L CAN communication signal - -
    I96-10 (CANL) W CAN communication signal - -
    I96-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I96-15 (PKB) - I97-7 (GND1) B - LA-BR Parking brake signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    I96-16 (MUT1) - I97-7 (GND1)*2 L - LA-BR Mute signal Audio system playing 3.5 V or higher
    Audio system charging modes Below 1 V
    I96-17 (SPD) - I97-7 (GND1) LG - LA-BR Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    I96-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I96-19 (MIN-) - I97-7 (GND1) W - LA-BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    I96-21 (SW1) - I96-23 (SWG) G - 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
    I96-22 (SW2) - I96-23 (SWG) 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
    I96-23 (SWG) - I97-7 (GND1) B - LA-BR Steering pad switch ground Always Below 1 V
    I96-25 (ADPG) - I97-7 (GND1) BE - LA-BR External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    I96-26 (VAR+) - I96-27 (VA-) R - B Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sound signals is output
    I96-27 (VA-) - I97-7 (GND1) B - LA-BR Ground Always Below 1 V
    I96-28 (VAL+) - I96-27 (VA-) W - B Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sound signals is output
    I99-3 (CNH1) G Local bus communication signal - -
    I99-4 (CNL1) L Local bus communication signal - -
    I99-11 (CA+) - I97-7 (GND1) B - LA-BR Television camera power supply Power switch on (ACC) 5.8 to 6.5 V
    I99-12 (V+) - I97-7 (GND1) R - LA-BR 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)
    I99-23 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I99-24 (V-) - I97-7 (GND1) W - LA-BR Ground Always Below 1 V
    o12-1 (SGND) - Body ground B - Body ground Shield ground Always Below 1 V
    o12-2 (SPDO) - I97-7 (GND1) B - LA-BR Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    o12-3 (ACC2) - I97-7 (GND1) B - LA-BR Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    o12-4 (+B2) - I97-7 (GND1) W - LA-BR Power source (+B) Power switch off 11 to 14 V
    o12-5 (MCO+) - I97-7 (GND1) B - LA-BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    o12-6 (MCO-) - I97-7 (GND1) B - LA-BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    o12-8 (GND2) - Body ground W - Body ground Ground Always Below 1 V
    o10-1 (LVDS) Shield LVDS communication signal - -
    RA-5 (ANT+) - I97-7 (GND1) - - LA-BR Power source of antenna

    Power switch on (ACC)

    Radio switch on and FM or AM selected

    		 8 V or higher

    • *1: for 6 Speakers

      *2: for 10 Speakers

      *3: for LHD

      *4: for RHD


    1. Reference (Oscilloscope waveform):


      1. A003LBOC06
        *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 I99-12 (V+) - I97-7 (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. A003MIFC04
        *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 I99-12 (V+) - I97-7 (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. NAVIGATION ECU

    A003OVUN07
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    o13-1 (B+) - o13-2 (GND) W - W Power source (+B) Power switch off 11 to 14 V
    o13-2 (GND) - Body ground W - Body ground Ground Always Below 1 V
    o13-3 (ACC) - o13-2 (GND) B - W Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    o13-5 (SPD) - o13-2 (GND) B - W Vehicle speed signal

    Power switch on (IG)

    Wheel being rotated

    		 Pulse generation
    o13-16 (MIC+) - o13-2 (GND) B - W Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    o13-17 (MIC-) - o13-2 (GND) B - W Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    o13-18 (SGND) - Body ground B - Body ground Shield ground Always Below 1 V
    I101-1 (USV1) - Power source - -
    I101-2 (US1-) - Data signal - -
    I101-3 (US1+) - Data signal - -
    I101-4 (UGD1) - Ground - -
    I101-5 (USG1) - Shield ground - -
    o11-1 (LVDS) Shield LVDS communication signal - -

  3. STEREO COMPONENT AMPLIFIER ASSEMBLY (for 10 Speakers)

    A003LNLN35
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    I63-1 (+B) - I63-3 (GND) B - W-B Power source (+B) Power switch off 11 to 14 V
    I63-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    I63-12 (RL+) - I63-3 (GND) B - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    I63-11 (RR+) - I63-3 (GND) R - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    I63-8 (FL+) - I63-3 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    I63-13 (TWR+) - I63-3 (GND) BR - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    I63-10 (TWL+) - I63-3 (GND) LG - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    I63-15 (FR+) - I63-3 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    I63-27 (RL-) - I63-3 (GND) Y - W-B Sound signal (Rear Left) Audio system playing A waveform synchronized with sound signals is output
    I63-26 (RR-) - I63-3 (GND) W - W-B Sound signal (Rear Right) Audio system playing A waveform synchronized with sound signals is output
    I63-23 (FL-) - I63-3 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    I63-28 (TWR-) - I63-3 (GND) P - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    I63-25 (TWL-) - I63-3 (GND) BE - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sound signals is output
    I63-30 (FR-) - I63-3 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sound signals is output
    I64-1 (MUTE) - I63-3 (GND) L - W-B Mute signal Audio system playing 3.5 V or higher
    Audio system changing modes Below 1 V
    I64-2 (L-) - I63-3 (GND) G - W-B Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    I64-3 (L+) - I63-3 (GND) R - W-B Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    I64-4 (R-) - I63-3 (GND) W - W-B Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    I64-5 (R+) - I63-3 (GND) B - W-B Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    I64-6 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V
    I64-7 (TX-) BE AVC-LAN communication signal - -
    I64-8 (TX+) P AVC-LAN communication signal - -
    I64-11 (SPD) - I63-3 (GND) R - W-B Vehicle speed signal

    Power switch on (IG)

    Wheel being rotated

    		 Pulse generation
    I64-12 (ACC) - I63-3 (GND) L - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    I64-14 (II1-) - I63-3 (GND) LG - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    I64-15 (II1+) - I63-3 (GND) V - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    I64-18 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V

  4. METER CIRCUIT PLATE

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  5. COMBINATION METER MIRROR ECU (w/ Headup Display System)

    Click here