NAVIGATION SYSTEM TERMINALS OF ECU


  1. RADIO AND DISPLAY RECEIVER ASSEMBLY

    A004A25E01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    F113-1 (FR+) - F113-7 (GND1) LG - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    F113-2 (FL+) - F113-7 (GND1) P - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    F113-3 (ACC1) - F113-7 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    F113-4 (+B1) - F113-7 (GND1) SB - BR Power source (+B) Always 11 to 14 V
    F113-5 (FR-) - F113-7 (GND1) L - BR Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    F113-6 (FL-) - F113-7 (GND1) V - BR Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    F113-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    F113-9 (AMP) - F113-7 (GND1)*1 SB - BR Power source of stereo component amplifier Audio system playing 11 to 14 V
    F113-10 (ILL+) - F113-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    F114-1 (RR+) - F113-7 (GND1) R - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    F114-2 (RL+) - F113-7 (GND1) B - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    F114-3 (RR-) - F113-7 (GND1) W - BR Sound signal (Rear Right) Audio system playing A waveform synchronized with sounds is output
    F114-6 (RL-) - F113-7 (GND1) Y - BR Sound signal (Rear Left) Audio system playing A waveform synchronized with sounds is output
    F115-1 (IG) - F113-7 (GND1) LG - BR Power source (IG) Ignition switch off Below 1 V
    Ignition switch ON 11 to 14 V
    F115-4 (MACC) - F113-7 (GND1) R - BR Microphone power supply Ignition switch off Below 1 V
    Ignition switch ACC 4 to 6 V
    F115-5 (MIN+) - F113-7 (GND1) B - BR Microphone voice signal

    See "Microphone Level Test" in Operation Check Click here

    		-
    F115-6 (SNS2) - F113-7 (GND1) GR - BR Microphone connection detection signal Always Below 1 V
    F115-9 (CANH) BE CAN communication signal - -
    F115-10 (CANL) W CAN communication signal - -
    F115-15 (PKB) - F113-7 (GND1) P - BR Parking brake signal

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

    		-
    F115-17 (SPD) - F113-7 (GND1) V - BR Vehicle speed signal

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

    		-
    F115-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F115-19 (MIN-) - F113-7 (GND1) W - BR Microphone voice signal

    See "Microphone Level Test" in Operation Check Click here

    		-
    F115-21 (SW1) - F113-7 (GND1) L - BR Steering pad switch signal Steering pad switch not operated 3.3 V or higher
    SEEK+ switch pushed Below 0.6 V
    SEEK- switch pushed Approximately 0.9 V
    VOL+ switch pushed Approximately 1.5 V
    VOL- switch pushed Approximately 2.4 V
    F115-22 (SW2) - F113-7 (GND1) P - BR Steering pad switch signal Steering pad switch not operated 3.3 V or higher
    MODE switch pushed Below 0.6 V
    On hook switch pushed Approximately 0.9 V
    Off hook switch pushed Approximately 1.5 V
    F115-23 (SWG) - F113-7 (GND1) R - BR Steering pad switch ground Always Below 1 V
    F125-3 (CNH1) P Local bus communication signal - -
    F125-4 (CNL1) W Local bus communication signal - -
    F125-11 (CA+) - F113-7 (GND1) R - BR Television camera power supply

    Ignition switch ON

    Shift lever in R

    		 5.5 to 7.05 V
    F125-12 (V+) - F113-7 (GND1) B - BR Television camera image signal

    Ignition switch ON

    Shift lever in R

    Camera lens is not covered, displaying an image

    Pulse generation

    (Refer to waveform 1)

    Ignition switch ON

    Shift lever in R

    Camera lens is covered, blacking out screen

    Pulse generation

    (Refer to waveform 2)
    F125-23 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    F125-24 (V-) - F113-7 (GND1) W - BR Ground Always Below 1 V
    z18-1 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    z18-2 (SPDO) - F113-7 (GND1) B - BR Vehicle speed signal

    See "Check Vehicle Signal" in Operation Check

    Click here

    		-
    z18-3 (ACC2) - F113-7 (GND1) B - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    z18-4 (+B2) - F113-7 (GND1) W - BR Power source (+B) Always 11 to 14 V
    z18-5 (MIC+) - F113-7 (GND1) B - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    z18-6 (MIC-) - F113-7 (GND1) B - BR Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    z18-8 (GND2) - Body ground W - Body ground Ground Always Below 1 V
    Z19-1 (LV1-) - Video signal (Digital) - -
    Z19-2 (LV1+) - Video signal (Digital) - -
    Z19-3 (LVG1) - Shield ground - -
    RA-5 (ANT+) - Body ground # - Body ground Power source of antenna

    Ignition switch ACC

    Radio switch on and FM or AM selected

    		 11 to 14 V

    • *1: for 8 Speakers

    • #: There is no wire color information


    1. Reference (Oscilloscope waveform):

      A0047N1E01

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

        Item Content
        Measurement terminal F125-12 (V+) - F113-7 (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 is covered, blacking out the screen)

        Item Content
        Measurement terminal F125-12 (V+) - F113-7 (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

    A004ADSE02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    z16-1 (B+) - z16-2 (GND) W - W Power source (+B) Ignition switch off 11 to 14 V
    z16-2 (GND) - Body ground W - Body ground Ground Always Below 1 V
    z16-3 (ACC) - z16-2 (GND) B - W Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    z16-5 (SPD) - z16-2 (GND) B - W Vehicle speed signal Ignition switch on Wheel being rotated Pulse generation
    z16-16 (MIC+) - z16-2(GND) B - W Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    z16-17 (MIC-) - z16-2(GND) B - W Microphone voice signal

    See "Check Microphone" in Operation Check

    Click here

    		-
    z14-1 (USV1) - Power source - -
    z14-2 (US1-) - Data signal - -
    z14-3 (US1+) - Data signal - -
    z14-4 (UGD1) - Ground - -
    z14-5 (USG1) - Shield ground - -
    z17-1 (LV1-) - Video signal (Digital) - -
    z17-2 (LV1+) - Video signal (Digital) - -
    z17-3 (LVG1) - Shield ground - -

  3. STEREO COMPONENT AMPLIFIER ASSEMBLY (for 8 Speakers)

    A0046R1E03
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    K47-1 (RL+) - K47-10 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    K47-2 (RR+) - K47-10 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    K47-3 (WFR+) - K47-10 (GND) LG - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    K47-4 (WFL+) - K47-10 (GND) P - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    K47-5 (+B) - K47-10 (GND) G - W-B Power source (+B) Always 11 to 14 V
    K47-6 (RL-) - K47-10 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    K47-7 (RR-) - K47-10 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    K47-8 (WFR-) - K47-10 (GND) L - W-B Sound signal (Front Right) Audio system playing A waveform synchronized with sounds is output
    K47-9 (AMP+) - Body ground SB - Body ground Power source of stereo component amplifier Audio system playing 11 to 14 V
    K47-10 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    K47-11 (WFL-) - K47-10 (GND) V - W-B Sound signal (Front Left) Audio system playing A waveform synchronized with sounds is output
    K47-12 (ACC) - K47-10 (GND) GR - W-B Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V