NAVIGATION SYSTEM 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

    A01MIEIN02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    G59-1 (FR+) - G59-7 (GND1) LG - BR Sound signal (Front right) Audio system playing A waveform synchronized with sounds is output
    G59-2 (FL+) - G59-7 (GND1) BR - BR Sound signal (Front left) Audio system playing A waveform synchronized with sounds is output
    G59-3 (ACC1) - G59-7 (GND1) G - BR Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    G59-4 (+B1) - G59-7 (GND1) Y - BR Power source (+B) Power switch off 11 to 14 V
    G59-5 (FR-) - G59-7 (GND1) P - BR Sound signal (Front right) Audio system playing A waveform synchronized with sounds is output
    G59-6 (FL-) - G59-7 (GND1) SB - BR Sound signal (Front left) Audio system playing A waveform synchronized with sounds is output
    G59-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    G59-10 (ILL+) - G59-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    G60-2 (RL+) - G59-7 (GND1) G - BR Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    G60-5 (ILL-) - G59-7 (GND1) W - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    G60-6 (RL-) - G59-7 (GND1) R - BR Voice signal Voice guidance sounding A waveform synchronized with sounds is output
    G105-1 (IG) - G59-7 (GND1) R - BR Power source (IG) Power switch off Below 1 V
    Power switch on (IG) 11 to 14 V
    G105-2 (REV) - G59-7 (GND1) Y - BR Reverse signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    -
    G105-4 (MACC) - G59-7 (GND1) B - BR Microphone power supply Power switch off Below 1 V
    Power switch on (ACC) 4 to 6 V
    G105-5 (MIN+) - G59-7 (GND1) R - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    -
    G105-6 (SNS2) - G59-7 (GND1) V - BR Microphone connection detection signal Always Below 1 V
    G105-7 (TX1+) Y AVC-LAN communication signal - -
    G105-8 (TX1-) BE AVC-LAN communication signal - -
    G105-9 (CANH) G CAN communication signal - -
    G105-10 (CANL) W CAN communication signal - -
    G105-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    G105-15 (PKB) - G59-7 (GND1) GR - BR Parking brake signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    -
    G105-16 (MUT1) - G59-7 (GND1) L - BR Mute signal

    Power switch on (ACC)

    Audio system playing

    2.0 V or higher
    Audio system changing modes Below 1 V
    G105-17 (SPD) - G59-7 (GND1) L - BR Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    -
    G105-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    G105-19 (MIN-) - G59-7 (GND1) W - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    -
    G105-21 (SW1) - G105-23 (SWG) P - 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
    G105-22 (SW2) - G105-23 (SWG) LG - BR 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
    G105-23 (SWG) - G59-7 (GND1) BR - BR Steering pad switch ground Always Below 1 V
    G105-25 (ADPG) - G59-7 (GND1) L - BR External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    G105-26 (VAR+) - G105-27 (VA-) R - W Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    G105-27 (VA-) - G59-7 (GND1) W - BR Ground Always Below 1 V
    G105-28 (VAL+) - G105-27 (VA-) B - W Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    G106-3 (CNH1) GR Local bus communication signal - -
    G106-4 (CNL1) SB Local bus communication signal - -
    G106-11 (CA+) - G59-7 (GND1) W - BR Television camera power supply Power switch on (ACC) 5.5 to 7.05 V
    G106-12 (V+) - G59-7 (GND1) R - 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)

    G106-23 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    G106-24 (V-) - G59-7 (GND1) B - BR Ground Always Below 1 V
    T2-1 (SLD4) - Body ground B - Body ground Shield ground Always Below 1 V
    T2-2 (SPD0) - G59-7 (GND1) B - BR Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    -
    T2-3 (ACC2) - G59-7 (GND1) B - BR Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    T2-4 (+B2) - G59-7 (GND1) W - BR Power source (+B) Power switch off 11 to 14 V
    T2-5 (MIC+) - G59-7 (GND1) B - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    -
    T2-6 (MIC-) - G59-7 (GND1) B - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    -
    T2-8 (GND2) - Body ground W - Body ground Ground Always Below 1 V
    T4-1 (LVDS) - LVDS communication signal - -
    RA-5 (ANT+) - G59-7 (GND1) - - BR Power source of antenna

    Power switch on (ACC)

    Radio switch on and FM or AM selected

    11 to 14 V

    1. Reference (Oscilloscope waveform):


      1. A01MGWJC06
        *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 G106-12 (V+) - G59-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Power 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 power switch is on (ACC).

      2. A01MJFQC04
        *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 G106-12 (V+) - G59-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Power 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 power switch is on (ACC).

  2. NAVIGATION ECU

    A01MGK9N05
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    T3-1 (+B) - T3-2 (GND) W - W Power source (+B) Always 11 to 14 V
    T3-2 (GND) - Body ground W - Body ground Ground Always Below 1 V
    T3-3 (ACC) - T3-2 (GND) B - W Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    T3-5 (SPD) - T3-2 (GND) B - W Vehicle speed signal

    Power switch on (IG)

    Wheel being rotated

    Pulse generation
    T3-16 (MIC+) - T3-2 (GND) B - W Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    -
    T3-17 (MIC-) - T3-2 (GND) B - W Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    -
    T3-18 (MSHLD) - Body ground B - Body ground Shield ground Always Below 1 V
    G107-1 (UPI) - Power source - -
    G107-2 (UDO-) - Data signal - -
    G107-3 (UDO+) - Data signal - -
    G107-4 (UJSG) - Ground - -
    G107-5 - Shield ground - -
    T1-1 (LVDS) - LVDS communication signal - -
  3. STEREO COMPONENT AMPLIFIER ASSEMBLY

    A01MIZ3E35
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    P48-1 (+B) - P48-3 (GND) R - W-B Power source (+B) Always 11 to 14 V
    P48-3 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    P48-10 (RL+) - P48-3 (GND) LA-G - W-B Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    P48-8 (WF1+) - P48-3 (GND) LA-V - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    P48-11 (FL+) - P48-3 (GND) B - W-B Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    P48-12 (RR+) - P48-3 (GND) LA-R - W-B Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    P48-13 (TWL+) - P48-3 (GND) P - W-B Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    P48-14 (TWR+) - P48-3 (GND) LA-LG - W-B Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    P48-15 (FR+) - P48-3 (GND) G - W-B Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    P48-16 (+B2) - P48-3 (GND) P - W-B Power source (+B) Always 11 to 14 V
    P48-18 (GND2) - Body ground W-B - Body ground Ground Always Below 1 V
    P48-25 (RL-) - P48-3 (GND) LA-BR - W-B Sound signal (Rear left) Audio system playing A waveform synchronized with sound signals is output
    P48-23 (WF1-) - P48-3 (GND) LA-P - W-B Sound signal (Woofer) Audio system playing A waveform synchronized with sound signals is output
    P48-26 (FL-) - P48-3 (GND) LG - W-B Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    P48-27 (RR-) - P48-3 (GND) LA-W - W-B Sound signal (Rear right) Audio system playing A waveform synchronized with sound signals is output
    P48-28 (TWL-) - P48-3 (GND) V - W-B Sound signal (Front left) Audio system playing A waveform synchronized with sound signals is output
    P48-29 (TWR-) - P48-3 (GND) LA-L - W-B Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    P48-30 (FR-) - P48-3 (GND) W - W-B Sound signal (Front right) Audio system playing A waveform synchronized with sound signals is output
    P49-1 (MUTE) - P48-3 (GND) V - W-B Mute signal

    Power switch on (ACC)

    Audio system playing

    2.0 V or higher
    Audio system changing modes Below 1 V
    P49-2 (L-) - P48-3 (GND) SB - W-B Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    P49-3 (L+) - P48-3 (GND) BR - W-B Sound signal (Left) Audio system playing A waveform synchronized with sound signals is output
    P49-4 (R-) - P48-3 (GND) P - W-B Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    P49-5 (R+) - P48-3 (GND) LG - W-B Sound signal (Right) Audio system playing A waveform synchronized with sound signals is output
    P49-6 (SLD) - Body ground Shield - Body ground Shield ground Always Below 1 V
    P49-7 (TX-) BE AVC-LAN communication signal - -
    P49-8 (TX+) Y AVC-LAN communication signal - -
    P49-11 (SPD) - P48-3 (GND) L - W-B Vehicle speed signal

    Power switch on (IG)

    Wheel being rotated

    Pulse generation
    P49-12 (ACC) - P48-3 (GND) GR - W-B Power source (ACC) Power switch off Below 1 V
    Power switch on (ACC) 11 to 14 V
    P49-14 (II1-) - P48-3 (GND) R - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    P49-15 (II1+) - P48-3 (GND) G - W-B Voice signal Voice guidance sounding A waveform synchronized with voice signals is output
    P49-18 (SLD1) - Body ground Shield - Body ground Shield ground Always Below 1 V