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

    A005DQZE02
    Text in Illustration
    *A w/ Rear View Monitor System *B w/ Intelligent Parking Assist System
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    L167-1 (FR+) - L167-7 (GND1)*1 G - W-B Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    L167-1 (FR+) - L167-7 (GND1)*2 LG - W-B Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    L167-2 (FL+) - L167-7 (GND1)*1 R - W-B Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    L167-2 (FL+) - L167-7 (GND1)*2 P - W-B Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    L167-3 (ACC1) - L167-7 (GND1) GR - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    L167-4 (+B1) - L167-7 (GND1) SB - W-B Power source (+B) Power switch off 11 to 14 V
    L167-5 (FR-) - L167-7 (GND1)*1

    B - W-B*1

    L - W-B*2

    Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    L167-5 (FR-) - L167-7 (GND1)*2 B - W-B Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    L167-6 (FL-) - L167-7 (GND1)*1 V - W-B Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    L167-6 (FL-) - L167-7 (GND1)*2 W - W-B Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    L167-7 (GND1) - Body ground W-B - Body ground Ground Always Below 1 V
    L167-10 (ILL+) - L167-7 (GND1) G - W-B Illumination signal Light control switch in off position Below 1 V

    Power switch off

    Light control switch in tail or head position

    11 to 14 V
    L166-1 (RR+) - L167-7 (GND1)*1 R - W-B Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    L166-2 (RL+) - L167-7 (GND1)*1 B - W-B Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    L166-2 (RL+) - L167-7 (GND1)*2 Y - BR Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    L166-3 (RR-) - L167-7 (GND1)*1 W - W-B Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    L166-6 (RL-) - L167-7 (GND1)*1 Y - W-B Sound signal (Rear left) Audio system playing A waveform synchronized with voice signals is output
    L166-6 (RL-) - L167-7 (GND1)*2 Y - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    L35-1 (IG) - L167-7 (GND1) B - W-B Power source (IG) Power switch off Below 1 V
    Power switch on (IG) 11 to 14 V
    L35-2 (REV) - L167-7 (GND1) P - W-B Reverse signal

    See "Check Vehicle Signal" in Operation Check Click here

    -
    L35-4 (MACC) - L167-7 (GND1) R - W-B Microphone power supply Power switch off Below 1 V
    Power switch on (ACC) 4.75 to 5.25 V
    L35-5 (MIN+) - L167-7 (GND1) BR - W-B Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    -
    L35-6 (SNS2) - L167-7 (GND1) G - W-B Microphone connection detection signal Always Below 1 V
    L35-7 (TX1+)*2 L AVC-LAN communication signal - -
    L35-8 (TX1-)*2 R AVC-LAN communication signal - -
    L35-9 (CANH) B CAN communication signal - -
    L35-10 (CANL) W CAN communication signal - -
    L35-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    L35-15 (PKB) - L167-7 (GND1) Y - W-B Parking brake signal

    See "Check Vehicle Signal" in Operation Check Click here

    -
    L35-16 (MUT1) - L167-7 (GND1)*2 P - W-B Mute signal Audio system playing 3.5 V or higher
    Audio system charging modes Below 1 V
    L35-17 (SPD) - L167-7 (GND1) L - W-B Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check Click here

    -
    L35-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    L35-19 (MIN-) - L167-7 (GND1) Y - W-B Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    -
    L35-21 (SW1) - L35-23 (SWG) V - W-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
    L35-22 (SW2) - L35-23 (SWG) SB - 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
    L35-23 (SWG) - L167-7 (GND1) W-B - W-B Steering pad switch ground Always Below 1 V
    L35-25 (ADPG) - L167-7 (GND1) Y - W-B External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    L35-26 (VAR+) - L35-27 (VA-) B - W Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sound signals is output
    L35-27 (VA-) - L167-7 (GND1) W - W-B Ground Always Below 1 V
    L35-28 (VAL+) - L35-27 (VA-) R - W Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sound signals is output
    L169-3 (CNH1)*3 B Local bus communication signal - -
    L169-4 (CNL1)*3 W Local bus communication signal - -
    L169-7 (TX3+)*4 B AVC-LAN communication signal - -
    L169-8 (TX3-)*4 W AVC-LAN communication signal - -
    L168-11 (CA+) - L167-7 (GND1)*5 W - W-B Television camera power supply Power switch on (ACC) 5.8 to 6.5 V
    L168-12 (V+) - L167-7 (GND1)*5 R - W-B Video signal

    Power switch on (IG)

    Reverse (R) selected

    Camera lens not covered, displaying an image

    Pulse generation

    (Refer to waveform 1)

    Power switch on (IG)

    Reverse (R) selected

    Camera lens covered, blacking out screen

    Pulse generation

    (Refer to waveform 2)

    L169-12 (V+) - L167-7 (GND1)*4 G - W-B Video signal

    Power switch on (IG)

    Reverse (R) selected

    Camera lens not covered, displaying an image

    Pulse generation

    (Refer to waveform 1)

    Power switch on (IG)

    Reverse (R) selected

    Camera lens covered, blacking out screen

    Pulse generation

    (Refer to waveform 2)

    L168-23 (CGND) - Body ground*5 Shield - Body ground Shield ground Always Below 1 V
    L168-24 (V-) - L167-7 (GND1)*5 B - W-B Ground Always Below 1 V
    L169-24 (V-) - L167-7 (GND1)*4 B - W-B Ground Always Below 1 V
    Y2-1 (SLD4) - Body ground B - Body ground Shield ground Always Below 1 V
    Y2-2 (SPDO) - L167-7 (GND1) B - W-B Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check Click here

    -
    Y2-3 (ACC2) - L167-7 (GND1) B - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    Y2-4 (+B2) - L167-7 (GND1) W - W-B Power source (+B) Power switch off 11 to 14 V
    Y2-5 (MIC+) - L167-7 (GND1) B - W-B Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    -
    Y2-6 (MIC-) - L167-7 (GND1) B - W-B Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    -
    Y2-8 (GND2) - Body ground W - Body ground Ground Always Below 1 V
    Y1-1 (LV1) B LVDS communication signal - -
    RA-5 (ANT+) - L167-7 (GND1) - - W-B Power source of antenna

    Power switch on (ACC)

    Radio switch on and FM or AM selected

    11 to 14 V

    • *1: for 6 Speakers

    • *2: for 8 Speakers

    • *3: for TFT Meter Type

    • *4: w/ Intelligent Parking Assist System

    • *5: w/ Rear View Monitor System


    1. Reference (Oscilloscope waveform):


      1. A005AXAE45
        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

        L168-12 (V+) - L167-7 (GND1)*1

        L169-12 (V+) - L167-7 (GND1)*2

        Measurement setting 200 mV/DIV., 50 μs./DIV.
        Condition Power switch on (IG), reverse (R) selected

        • *1: w/ Rear View Monitor System

        • *2: w/ Intelligent Parking Assist System

        Tech Tips


        • The video waveform changes according to the image sent by the rear television camera assembly.

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

      2. A005DT1E19
        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

        L168-12 (V+) - L167-7 (GND1)*1

        L169-12 (V+) - L167-7 (GND1)*2

        Measurement setting 200 mV/DIV., 50 μs./DIV.
        Condition Power switch on (IG), reverse (R) selected

        • *1: w/ Rear View Monitor System

        • *2: w/ Intelligent Parking Assist System

        Tech Tips


        • The video waveform changes according to the image sent by the rear television camera assembly.

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

  2. NAVIGATION ECU

    A005C57E02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    Y3-1 (+B) - Y3-2 (GND) W - W Power source (+B) Power switch off 11 to 14 V
    Y3-2 (GND) - Body ground W - Body ground Ground Always Below 1 V
    Y3-3 (ACC) - Y3-2 (GND) B - W Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    Y3-5 (SPD) - Y3-2 (GND) B - W Vehicle speed signal Power switch on (IG) Wheel being rotated Pulse generation
    Y3-16 (MIC+) - Y3-2 (GND) B - W Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    -
    Y3-17 (MIC-) - Y3-2 (GND) B - W Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    -
    Y3-18 (MSHLD) - Body ground B - Body ground Shield ground Always Below 1 V
    L175-1 (USV1) - Power source - -
    L175-2 (US1-) - Data signal - -
    L175-3 (US1+) - Data signal - -
    L175-4 (UGD1) - Ground - -
    L175-5 (USG1) - Shield ground - -
    Y4-1 (LV1) W-B LVDS communication signal - -
  3. STEREO COMPONENT AMPLIFIER ASSEMBLY (for 8 Speakers)

    A005CWJE02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    L30-1 (+B) - L30-3 (GND) R - W-B Power source (+B) Power switch off 11 to 14 V
    L30-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    L30-8 (WFL+) - L30-3 (GND) P- W-B Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    L30-9 (FR+) - L30-3 (GND) LG - W-B Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    L30-10 (TWL+) - L30-3 (GND) B - W-B Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    L30-11 (RL+) - L30-3 (GND) B - W-B Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    L30-12 (RR+) - L30-3 (GND) R - W-B Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    L30-13 (TWR+) - L30-3 (GND) R - W-B Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    L30-14 (FL+) - L30-3 (GND) P - W-B Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    L30-15 (WFR+) - L30-3 (GND) LG - W-B Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    L30-16 (+B2) - L30-3 (GND) V - W-B Power source (+B) Power switch off 11 to 14 V
    L30-18 (GND2) - Body ground W-B - Body ground Ground Always Below 1 V
    L30-23 (WFL-) - L30-3 (GND) V - W-B Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    L30-24 (FR-) - L30-3 (GND) L - W-B Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    L30-25 (TWL-) - L30-3 (GND) Y - W-B Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    L30-26 (RL-) - L30-3 (GND) Y - W-B Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    L30-27 (RR-) - L30-3 (GND) W - W-B Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    L30-28 (TWR-) - L30-3 (GND) W - W-B Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    L30-29 (FL-) - L30-3 (GND) G - W-B Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    L30-30 (WFR-) - L30-3 (GND) L - W-B Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    L31-1 (MUTE) - L30-3 (GND) P - W-B Mute signal

    Power switch on (ACC)

    Audio system playing

    2.0 V or higher
    Audio system changing modes Below 1 V
    L31-2 (L-) - L30-3 (GND) W - W-B Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    L31-3 (L+) - L30-3 (GND) R - W-B Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    L31-4 (R-) - L30-3 (GND) B - W-B Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    L31-5 (R+) - L30-3 (GND) G - W-B Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    L31-6 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V
    L31-7 (TX-) R AVC-LAN communication signal - -
    L31-8 (TX+) L AVC-LAN communication signal - -
    L31-11 (SPD) - L30-3 (GND) LG - W-B Vehicle speed signal

    Power switch on (IG)

    Wheel being rotated

    Pulse generation
    L31-12 (ACC) - L30-3 (GND) GR - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    L31-14 (II1-) - L30-3 (GND) BR - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    L31-15 (II1+) - L30-3 (GND) Y - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    L31-18 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V
  4. PARKING ASSIST ECU (w/ Intelligent Parking Assist System) Click here