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

    A002A55N01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    F69-1 (FR+) - F69-7 (GND1) LG - BR Sound signal (Front right) Audio system playing A waveform synchronized with sounds is output
    F69-2 (FL+) - F69-7 (GND1)

    LA-B - BR*1

    BR - BR*2

    		 Sound signal (Front left) Audio system playing A waveform synchronized with sounds is output
    F69-3 (ACC1) - F69-7 (GND1) GR - BR Power source (ACC) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    F69-4 (+B1) - F69-7 (GND1) SB - BR Power source (+B) Always 11 to 14 V
    F69-5 (FR-) - F69-7 (GND1)

    L - BR*1

    P - BR*2

    		 Sound signal (Front right) Audio system playing A waveform synchronized with sounds is output
    F69-6 (FL-) - F69-7 (GND1)

    LA-GR - BR*1

    SB - BR*2

    		 Sound signal (Front left) Audio system playing A waveform synchronized with sounds is output
    F69-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    F69-10 (ILL+) - F69-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    F70-1 (RR+) - F69-7 (GND1)*1 P - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sounds is output
    F70-2 (RL+) - F69-7 (GND1)

    L - BR*1

    G - BR*2

    		 Sound signal (Rear left)*1 Audio system playing*1 A waveform synchronized with sounds is output
    Voice signal*2 Voice guidance sounding*2
    F70-3 (RR-) - F69-7 (GND1)*1 GR - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sounds is output
    F70-5 (ILL-) - F69-7 (GND1) W - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    F70-6 (RL-) - F69-7 (GND1) R - BR Sound signal (Rear left)*1 Audio system playing*1 A waveform synchronized with sounds is output
    Voice signal*2 Voice guidance sounding*2
    F71-1 (IG) - F69-7 (GND1) R - BR Power source (IG) Engine switch off Below 1 V
    Engine switch on (IG) 11 to 14 V
    F71-2 (REV) - F69-7 (GND1) R - BR Reverse signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    F71-4 (MACC) - F69-7 (GND1) G - BR Microphone power supply Engine switch off Below 1 V
    Engine switch on (ACC) 4 to 6 V
    F71-5 (MIN+) - F69-7 (GND1) L - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    F71-6 (SNS2) - F69-7 (GND1) V - BR Microphone connection detection signal Always Below 1 V
    F71-7 (TX1+)*2 Y AVC-LAN communication signal - -
    F71-8 (TX1-)*2 BE AVC-LAN communication signal - -
    F71-9 (CANH) L CAN communication signal - -
    F71-10 (CANL) W CAN communication signal - -
    F71-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F71-12 (SG) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F71-13 (VV+) - F69-7 (GND1) V - BR Video signal External device system playing (when stereo jack used) A waveform synchronized with sounds is output
    F71-14 (VV-) - F69-7 (GND1) SB - BR Video signal ground Always Below 1 V
    F71-15 (PKB) - F69-7 (GND1) B - BR Parking brake signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    F71-16 (MUT1) - F69-7 (GND1)*2 L - BR Mute signal

    Engine switch on (ACC)

    Audio system playing

    		 2.0 V or higher
    Audio system changing modes Below 1 V
    F71-17 (SPD) - F69-7 (GND1) BE - BR Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    F71-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F71-19 (MIN-) - F69-7 (GND1) P - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    F71-21 (SW1) - F69-23 (SWG) P - R 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
    F71-22 (SW2) - F71-23 (SWG) L - R 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
    F71-23 (SWG) - F69-7 (GND1) R - BR Steering pad switch ground Always Below 1 V
    F71-25 (ADPG) - F69-7 (GND1) BE - BR External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    F71-26 (VAR+) - F71-27 (VA-) R - B Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    F71-27 (VA-) - F69-7 (GND1) B - BR Ground Always Below 1 V
    F71-28 (VAL+) - F71-27 (VA-) W - B Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    F72-3 (CNH1) GR Local bus communication signal - -
    F72-4 (CNL1) SB Local bus communication signal - -
    F72-11 (CA+) - F69-7 (GND1) B - BR Television camera power supply Engine switch on (ACC) 5.5 to 7.05 V
    F72-12 (V+) - F69-7 (GND1) R - BR Video signal

    Engine switch on (IG)

    Shift lever in R

    Camera lens not covered, displaying an image

    Pulse generation

    (Refer to waveform 1)

    Engine switch on (IG)

    Shift lever in R

    Camera lens covered, blacking out screen

    Pulse generation

    (Refer to waveform 2)
    F72-23 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F72-24 (V-) - F69-7 (GND1) W - BR Ground Always Below 1 V
    n3-1 (SLD4) - Body ground G - Body ground Shield ground Always Below 1 V
    n3-2 (SPD0) - F69-7 (GND1) R - BR Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    n3-3 (ACC2) - F69-7 (GND1) Y - BR Power source (ACC) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    n3-4 (+B2) - F69-7 (GND1) W - BR Power source (+B) Always 11 to 14 V
    n3-5 (MIC+) - F69-7 (GND1) B - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    n3-6 (MIC-) - F69-7 (GND1) L - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    n3-8 (GND2) - Body ground BR - Body ground Ground Always Below 1 V
    n1-1 (GVIF) B LVDS communication signal - -
    RA-5 (ANT+) - F69-7 (GND1) - - BR Power source of antenna

    Engine switch on (ACC)

    Radio switch on and FM or AM selected

    		 11 to 14 V

    • *1: for 6 Speakers

    • *2: for 12 Speakers


    1. Reference (Oscilloscope waveform):


      1. A002AKYC06
        *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 F72-12 (V+) - F69-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), 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 output when the engine switch is on (ACC).

      2. A00274UC04
        *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 F72-12 (V+) - F69-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Engine switch on (IG), 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 output when the engine switch is on (ACC).

  2. NAVIGATION ECU

    A0026UVN02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    n4-1 (+B) - n4-2 (GND) W - BR Power source (+B) Always 11 to 14 V
    n4-2 (GND) - Body ground BR - Body ground Ground Always Below 1 V
    n4-3 (ACC) - n4-2 (GND) Y - BR Power source (ACC) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    n4-5 (SPD) - n4-2 (GND) R - BR Vehicle speed signal

    Engine switch on (IG)

    Wheel being rotated

    		 Pulse generation
    n4-16 (MIC+) - n4-2 (GND) B - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    n4-17 (MIC-) - n4-2 (GND) L - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    n4-18 (MSHLD) - Body ground G - Body ground Shield ground Always Below 1 V
    F120-1 (USV1) - Power source - -
    F120-2 (US1-) - Data signal - -
    F120-3 (US1+) - Data signal - -
    F120-4 (UGD1) - Ground - -
    F120-5 (USG1) - Shield ground - -
    n2-1 (GVIF) B LVDS communication signal - -

  3. STEREO COMPONENT AMPLIFIER ASSEMBLY (for 12 Speakers)

    A002BIWE31
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    F75-1 (+B) - F75-3 (GND) B - BR Power source (+B) Always 11 to 14 V
    F75-3 (GND) - Body ground BR - Body ground Ground Always Below 1 V
    F75-4 (RL+) - F75-3 (GND) L - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    F75-5 (SL+) - F75-3 (GND) Y - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    F75-7 (WF2+) - F75-3 (GND) Y - BR Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    F75-8 (WF1+) - F75-3 (GND) B - BR Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    F75-9 (SR+) - F75-3 (GND) R - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    F75-10 (CTR+) - F75-3 (GND) SB - BR Sound signal (Front center) Audio system playing A waveform synchronized with sound signals is output
    F75-11 (FL+) - F75-3 (GND) P - BR Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    F75-12 (RR+) - F75-3 (GND) P - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    F75-13 (TWL+) - F75-3 (GND) B - BR Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    F75-14 (TWR+) - F75-3 (GND) W - BR Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    F75-15 (FR+) - F75-3 (GND) LG - BR Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    F75-16 (+B2) - F75-3 (GND) L - BR Power source (+B) Always 11 to 14 V
    F75-18 (GND2) - Body ground BR - Body ground Ground Always Below 1 V
    F75-19 (RL-) - F75-3 (GND) R - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    F75-20 (SL-) - F75-3 (GND) BE - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    F75-22 (WF2-) - F75-3 (GND) GR - BR Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    F75-23 (WF1-) - F75-3 (GND) SB - BR Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    F75-24 (SR-) - F75-3 (GND) W - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    F75-25 (CTR-) - F75-3 (GND) BR - BR Sound signal (Front center) Audio system playing A waveform synchronized with sound signals is output
    F75-26 (FL-) - F75-3 (GND) V - BR Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    F75-27 (RR-) - F75-3 (GND) GR - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    F75-28 (TWL-) - F75-3 (GND) GR - BR Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    F75-29 (TWR-) - F75-3 (GND) B - BR Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    F75-30 (FR-) - F75-3 (GND) L - BR Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    F76-1 (MUTE) - F75-3 (GND) L - BR Mute signal

    Engine switch on (ACC)

    Audio system playing

    		 2.0 V or higher
    Audio system changing modes Below 1 V
    F76-2 (L-) - F75-3 (GND) SB - BR Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    F76-3 (L+) - F75-3 (GND) BR - BR Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    F76-4 (R-) - F75-3 (GND) P - BR Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    F76-5 (R+) - F75-3 (GND) LG - BR Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    F76-6 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F76-7 (TX-) BE AVC-LAN communication signal - -
    F76-8 (TX+) Y AVC-LAN communication signal - -
    F76-11 (SPD) - F75-3 (GND) BE - BR Vehicle speed signal

    Engine switch on (IG)

    Wheel being rotated

    		 Pulse generation
    F76-12 (ACC) - F75-3 (GND) GR - BR Power source (ACC) Engine switch off Below 1 V
    Engine switch on (ACC) 11 to 14 V
    F76-14 (II1-) - F75-3 (GND) R - BR Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    F76-15 (II1+) - F75-3 (GND) G - BR Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    F76-18 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V