NAVIGATION SYSTEM TERMINALS OF ECU


  1. RADIO AND DISPLAY RECEIVER ASSEMBLY

    A005KZUE02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    F45-1 (FR+) - F45-7 (GND1) LG - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    F45-2 (FL+) - F45-7 (GND1) P - BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    F45-3 (ACC1) - F45-7 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC

    11 to 14 V*1

    9.5 to 14 V*2

    F45-4 (+B1) - F45-7 (GND1) SB - BR Power source (+B) Always

    11 to 14 V*1

    9.5 to 14 V*2

    F45-5 (FR-) - F45-7 (GND1) L - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    F45-6 (FL-) - F45-7 (GND1) V - BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    F45-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    F45-10 (ILL+) - F45-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    F46-1 (RR+) - F45-7 (GND1) R - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    F46-2 (RL+) - F45-7 (GND1) B - BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    F46-3 (RR-) - F45-7 (GND1) W - BR Sound signal (Right) Audio system playing A waveform synchronized with sounds is output
    F46-6 (RL-) - F45-7 (GND1) Y - BR Sound signal (Left) Audio system playing A waveform synchronized with sounds is output
    F47-1 (IG) - F45-7 (GND1) LG - BR Power source (IG) Ignition switch off Below 1 V
    Ignition switch ON 11 to 14 V
    F47-2 (REV) - F45-7 (GND1) V - BR Reverse signal

    See "Vehicle Signal Check Mode" in Operation Check Click here

    -
    F47-4 (MACC) - F45-7 (GND1) R - BR Microphone power supply Ignition switch off Below 1 V
    Ignition switch ACC 4 to 6 V
    F47-5 (MIN+) - F45-7 (GND1) B - BR Microphone voice signal

    See "Microphone Check" in Operation Check Click here

    -
    F47-6 (SNS2) - F45-7 (GND1) GR - BR Microphone connection detection signal Always Below 1 V
    F47-9 (CANH) BE CAN communication signal - -
    F47-10 (CANL) W CAN communication signal - -
    F47-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F47-15 (PKB) - F45-7 (GND1) P - BR Parking brake signal

    See "Vehicle Signal Check Mode" in Operation Check Click here

    -
    F47-17 (SPD) - F45-7 (GND1) V - BR Vehicle speed signal from combination meter assembly

    See "Vehicle Signal Check Mode" in Operation Check Click here

    -
    F47-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F47-19 (MIN-) - F45-7 (GND1) W - BR Microphone voice signal

    See "Microphone Check" in Operation Check Click here

    -
    F47-21 (SW1) - F47-23 (SWG) L - 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
    F47-22 (SW2) - F47-23 (SWG) P - R 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
    F47-23 (SWG) - F45-7 (GND1) R - BR Steering pad switch signal Always Below 1 V
    F47-25 (ADPG) - F45-7 (GND1) R - BR External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    F47-26 (VAR+) - F47-27 (VA-) R - W Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    F47-27 (VA-) - F45-7 (GND1) W - BR Sound signal ground Always Below 1 V
    F47-28 (VAL+) - F47-27 (VA-) B - W Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    F91-11 (CA+) - F45-7 (GND1) R - BR Television camera power supply

    Ignition switch ON

    Shift lever in R

    5.5 to 7.05 V
    F91-12 (V+) - F45-7 (GND1) B - 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)
    F91-23 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F91-24 (V-) - F45-7 (GND1) W - BR Ground Always Below 1 V
    T1-1 (LV1) # LVDS communication signal - -
    T3-1 (SGND) - Body ground B - Body ground Ground Always Below 1 V
    T3-2 (SPDO) - F45-7 (GND1) B - BR Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check Click here

    -
    T3-3 (ACC2) - F45-7 (GND1) B - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    T3-4 (+B2) - F45-7 (GND1) W - BR Power source (+B) Always 11 to 14 V
    T3-5 (MIC+) - F45-7 (GND1) B - BR Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    -
    T3-6 (MIC-) - F45-7 (GND1) B - BR Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    -
    T3-8 (GND2) - Body ground W - Body ground Ground Always Below 1 V
    RA-5 (ANT+) - F45-7 (GND1) # - BR Power source of antenna

    Ignition switch ON

    Radio switch on and AM or FM selected

    11 to 14 V

    • #: There is no wiring color information.

    • *1: w/o Stop and Start System

    • *2: w/ Stop and Start System


    1. Reference (Oscilloscope waveform):

      A005GL5E01

      1. Waveform 1 (camera lens not covered, displaying an image)

        Item Content
        Measurement terminal F91-12 (V+) - F45-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Ignition switch ON, Shift lever in R

        Tech Tips

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

      2. Waveform 2 (camera lens covered, blacking out the screen)

        Item Content
        Measurement terminal F91-12 (V+) - F45-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./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.

        Text in Illustration
        *a Waveform 1 (camera lens not covered, displaying an image)
        *b Waveform 2 (camera lens covered, blacking out the screen)
        *c Synchronization Signal
        *d Video Waveform
  2. NAVIGATION ECU

    A005KM8E02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    T2-1 (LV1) # LVDS communication signal - -
    T4-1 (B+) - T4-2 (GND) W - W Power source (+B) Always 11 to 14 V
    T4-2 (GND) - Body ground W - Body ground Ground Always Below 1 V
    T4-3 (ACC) - T4-2 (GND) B - W Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    T4-5 (SPD) - T4-2 (GND) B - W Vehicle speed signal Ignition switch ON, Wheel being rotated Pulse generation
    T4-16 (MIC+) - T4-2 (GND) B - W Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    -
    T4-17 (MIC-) - T4-2 (GND) B - W Microphone voice signal

    See "Check Microphone" in Operation Check Click here

    -
    T4-18 (SDNG) -T4-2 (GND) B - W Shield ground Always Below 1 V
    F93-1 (VBUS) # Power source - -
    F93-2 (D-) # Data signal - -
    F93-3 (D+) # Data signal - -
    F93-4 (GND) # Ground - -
    F93-5 (USG1) # Shield ground - -

    • #: There is no wiring color information