TELEMATICS SYSTEM TERMINALS OF ECU

Tech Tips

Check from the rear of the connector while it is connected to the components.


  1. TELEMATICS TRANSCEIVER

    A001TIJC32
    *a Connector Color: Gray (to GNSS Antenna) *b Connector Color: Blue (to Telephone Antenna)
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    F51-1 (+B) - F51-4 (E) W - W-B Power source (+B) Always 11 to 14 V
    F51-2 (SPI+) - F51-4 (E)

    BR - W-B*1

    LA-LG - W-B*2

    		 Sound signal Audio system playing A waveform synchronized with sound signals is output
    F51-3 (SPI-) - F51-4 (E)

    P - W-B*1

    LA-L - W-B*2

    		 Sound signal Audio system playing A waveform synchronized with sound signals is output
    F51-4 (E) - Body ground W-B - Body ground Ground Always Below 1 V
    F51-5 (SPO+) - F51-4 (E)

    Y - W-B*1

    LA-LG - W-B*2

    		 Sound signal Audio system playing, or emergency call mode A waveform synchronized with sound signals is output
    F51-6 (SPO-) - F51-4 (E)

    B - W-B*1

    LA-L - W-B*2

    		 Sound signal Audio system playing, or emergency call mode A waveform synchronized with sound signals is output
    F51-7 (IG2) - F51-4 (E) B - W-B Power source (IG) Ignition switch ON 11 to 14 V
    Ignition switch off Below 1 V
    F51-8 (ACC) - F51-4 (E) GR - W-B Power source (ACC) Ignition switch ACC 11 to 14 V
    Ignition switch off Below 1 V
    F51-9 (SLED) - F51-4 (E) LG - W-B Manual (SOS) switch illumination power supply Ignition switch ACC 11 to 14 V
    Ignition switch off Below 1 V
    F51-10 (SPDP) - F51-4 (E) V - W-B Vehicle speed signal

    for Radio and Display Type:

    See "Vehicle Signal Check Mode" in Operation Check

    w/o Navigation System: Click here

    w/ Navigation System:

    Click here

    		-

    for Radio Receiver Type:

    Vehicle being driven at approx. 5 km/h (3 mph)

    Pulse generation

    (See waveform 1)
    F51-11 (IND1) - F51-4 (E) B - W-B Manual (SOS) switch indicator (red) illumination signal

    For 10 seconds after ignition switch turned to ON

    (Indicator (red) illuminated)

    		 1 to 8.5 V

    Ignition switch off

    (Indicator (red) not illuminated)

    		 Below 1 V
    F51-12 (IND2) - F51-4 (E) BE - W-B Manual (SOS) switch indicator (green) illumination signal

    For 12 seconds after ignition switch turned to ON

    (Indicator (green) illuminated)

    		 1 to 8.5 V

    Ignition switch off

    (Indicator (green) not illuminated)

    		 Below 1 V
    F51-15 (CANP) GR CAN communication signal - -
    F51-16 (CANN) LG CAN communication signal - -
    F51-17 (MUTE) - F51-4 (E) L - W-B Mute signal Audio system playing 3.5 V or higher
    Emergency call mode Below 1 V
    F51-18 (MCO+) - F51-4 (E) G - W-B Sent microphone voice signal

    for Radio and Display Type:

    See "Microphone Check" in Operation Check

    w/o Navigation System: Click here

    w/ Navigation System:

    Click here

    		-

    for Radio Receiver Type:

    "Bluetooth" hands-free voice signal received

    		 A waveform synchronized with sound signals is output
    F51-19 (MCO-) - F51-4 (E) R - W-B Sent microphone voice signal

    for Radio and Display Type:

    See "Microphone Check" in Operation Check

    w/o Navigation System: Click here

    w/ Navigation System:

    Click here

    		-

    for Radio Receiver Type:

    "Bluetooth" hands-free voice signal received

    		 A waveform synchronized with sound signals is output
    F51-19 (ILL+) - F51-4 (E) G - W-B Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    F51-24 (GSW) - F51-4 (E) W - W-B Collision detection signal Ignition switch ON

    Pulse generation

    (Refer to waveform 2)
    F51-26 (SIG-) - F51-4 (E) SB - W-B Ground Always Below 1 V
    F51-27 (SIG1) - F51-4 (E) L - W-B Manual (SOS) switch condition signal Manual (SOS) switch not pressed 1.5 to 2.0 V
    Manual (SOS) switch pressed 0.5 to 0.8 V
    F51-32 (SGND) - F51-4 (E) Shield - W-B Shield ground Always Below 1 V
    F51-33 (MCVD) - F51-4 (E) B - W-B Microphone power supply Ignition switch off Below 1 V
    Ignition switch ACC 4 to 6 V
    F51-34 (MCI+) - F51-4 (E) W - W-B Receive microphone voice signal

    for Radio and Display Type:

    See "Microphone Check" in Operation Check

    w/o Navigation System: Click here

    w/ Navigation System:

    Click here

    		-

    for Radio Receiver Type:

    "Bluetooth" hands-free voice signal received

    		 A waveform synchronized with sound signals is output
    F51-35 (MCI-) - F51-4 (E) R - W-B Receive microphone voice signal

    for Radio and Display Type:

    See "Microphone Check" in Operation Check

    w/o Navigation System: Click here

    w/ Navigation System:

    Click here

    		-

    for Radio Receiver Type:

    "Bluetooth" hands-free voice signal received

    		 A waveform synchronized with sound signals is output

    • *1: w/ Navigation System

    • *2: w/o Navigation System


    1. Oscilloscope waveform:


      1. B008LH8E08

        Waveform 1

        Item Content
        Tester Connection F51-10 (SPDP) - F51-4 (E)
        Tool Setting 5 V/DIV., 200 ms./DIV.
        Condition Vehicle being driven at approx. 5 km/h (3 mph)

        Tech Tips

        The wavelength becomes shorter as the vehicle speed increases.

      2. A001SAFN08

        Waveform 2

        Item Condition
        Tester Connection F51-24 (GSW) - F51-4 (E)
        Tool setting 5.0 V/DIV., 20 ms./DIV.
        Vehicle condition Ignition switch ON

  2. RADIO RECEIVER ASSEMBLY (for Radio Receiver Type)

    Click here

  3. RADIO AND DISPLAY RECEIVER ASSEMBLY (for Radio and Display Type)