TELEMATICS SYSTEM(w/ Telematics Transceiver except G-BOOK) TERMINALS OF ECU

Tech Tips

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


  1. TELEMATICS TRANSCEIVER

    A01UFBEC03
    *a Connector Color: Gray (to GNSS Antenna) *b Connector Color: Blue (to Telephone Antenna)
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    M1-1 (+B) - M1-4 (E) L - W-B Power source (+B) Always 11 to 14 V
    M1-2 (SPI+) - M1-4 (E) B - W-B Sound signal Audio system playing A waveform synchronized with sound signals is output
    M1-3 (SPI-) - M1-4 (E) Y - W-B Sound signal Audio system playing A waveform synchronized with sound signals is output
    M1-4 (E) - Body ground W-B - Body ground Ground Always Below 1 V
    M1-5 (SPO+) - M1-4 (E) B - W-B Sound signal Audio system playing, or emergency call mode A waveform synchronized with sound signals is output
    M1-6 (SPO-) - M1-4 (E) Y - W-B Sound signal Audio system playing, or emergency call mode A waveform synchronized with sound signals is output
    M1-7 (IG2) - M1-4 (E) V - W-B Power source (IG) Engine switch on (IG) 11 to 14 V
    engine switch off Below 1 V
    M1-8 (ACC) - M1-4 (E) GR - W-B Power source (ACC) engine switch on (ACC) 11 to 14 V
    engine switch off Below 1 V
    M1-9 (SLED) - M1-4 (E) G - W-B Manual (SOS) switch illumination power supply engine switch on (ACC) 11 to 14 V
    engine switch off Below 1 V
    M1-10 (SPDP) - M1-4 (E) L - W-B Vehicle speed signal

    See "Vehicle Signal Check Mode" in Operation Check

    w/o Navigation System: Click here

    w/ Navigation System: Click here

    		-
    M1-11 (IND1) - M1-4 (E) P - W-B Manual (SOS) switch indicator (red) illumination signal

    For 10 seconds after engine switch turned on (IG)

    (Indicator (red) illuminated)

    		 1 to 8.5 V

    engine switch off

    (Indicator (red) not illuminated)

    		 Below 1 V
    M1-12 (IND2) - M1-4 (E) R - W-B Manual (SOS) switch indicator (green) illumination signal

    For 12 seconds after engine switch turned on (IG)

    (Indicator (green) illuminated)

    		 1 to 8.5 V

    engine switch off

    (Indicator (green) not illuminated)

    		 Below 1 V
    M1-15 (CANP) LG CAN communication signal - -
    M1-16 (CANN) W CAN communication signal - -
    M1-17 (MUTE) - M1-4 (E) R - W-B Mute signal Audio system playing 3.5 V or higher
    Emergency call mode Below 1 V
    M1-18 (MCO+) - M1-4 (E) Y - W-B Sent microphone voice signal

    See "Microphone Check" in Operation Check

    w/o Navigation System: Click here

    w/ Navigation System: Click here

    		-
    M1-19 (MCO-) - M1-4 (E) BR - W-B Sent microphone voice signal

    See "Microphone Check" in Operation Check

    w/o Navigation System: Click here

    w/ Navigation System: Click here

    		-
    M1-23 (ILL+) - M1-4 (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
    M1-24 (GSW) - M1-4 (E) Y - W-B Collision detection signal Engine switch on (IG)

    Pulse generation

    (Refer to waveform 1)
    M1-26 (SIG-) - M1-4 (E) B - W-B Ground Always Below 1 V
    M1-27 (SIG1) - M1-4 (E) V - 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
    M1-32 (SGND) - M1-4 (E) Shield - W-B Shield ground Always Below 1 V
    M1-33 (MCVD) - M1-4 (E) B - W-B Microphone power supply engine switch off Below 1 V
    engine switch on (ACC) 4 to 6 V
    M1-34 (MCI+) - M1-4 (E) W - W-B Receive microphone voice signal

    See "Microphone Check" in Operation Check

    w/o Navigation System: Click here

    w/ Navigation System: Click here

    		-
    M1-35 (MCI-) - M1-4 (E) R - W-B Receive microphone voice signal

    See "Microphone Check" in Operation Check

    w/o Navigation System: Click here

    w/ Navigation System: Click here

    		-

    1. A01UEQ3N08

      Oscilloscope waveform:


      1. Waveform 1

        Item Condition
        Tester connection M1-24 (GSW) - M1-4 (E)
        Tool setting 5.0 V/DIV., 20 ms./DIV.
        Vehicle condition Engine switch on (IG)

  2. RADIO AND DISPLAY RECEIVER ASSEMBLY